Digital PDFs

29-11762-00

2000

65 pages

Original

2.6MB

Document:	RA81X-I-013 RA81 FCO
Order Number:	29-11762-00
Revision:	0
Pages:	65
Original Filename:

OCR Text

+_~4_~_~

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Level of Ur~ency

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Pace
Of-

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dig i t a 1

~~~

I II

FCO RA81X-I-013

+--+

FIELD

CHANGE

ORDER

Number:

RA~lX-I-013

APPLICABILITY: It your HDA is marked Hl or above, or has a serial numher of
CX 49250 or above, or KB 6539 or above, THAT HDA IS GOOD AND DOES NOT NEEO
REPLACEMF.NT.
RAel HDAs which are revisions belo,,.. HI or which have serial
numbers helow CX 49250 or KR 6539 are subiect to this FCO. There are
only two exceptions to this rule. There a~e 3141 HnAs between serial
numbers ex 49250 and 52390 which are free of the adhesive detect, hut
which were not marked "HI". They were marked "Fl".
These HDAs are
NOT subject to the FCO. There are ll~l HDAs between serial numbers KB
6539 and 7700 which are free from the adhesive defect, hut are marked
"El".
These ADAs are NOT subject to the FCO either.
Please note that as ADAs are repaired and the adhesive defect removed,
the rev of the RDA is bumped to the most current rev, at least HI
presently. The serial numr~r NEVER CHANGES!! Therefore it is
possible to have a serial number like CX 2000 which is rev Hl, and
therefore a GOOD HDA!!
Problem/Symptom: The adhesive used to attach the gaskets to the spindle
air filter assembly breaks down at the upper end of the drive operatinQ
specification. This causes head to disk interference to occur.
Ouick Check: HDA revision level "Hl" or with a serial number above CX49250
or KB6539 will have the adhesive removed from the air filter assembly
and therefore be a "GOOD" HDA
Compatibility/prereQuisite FCO:
RA81X-R-0009, RA8IX-R-012 and RA81X··I-014

Est. Tlme to Install:
4.0 HOURS WORST CASE
2.5 HOURS BEST CASE

Special Tools or Test Equi~ment:
VELOSTAT KIT PIN
29-11762-00

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RAA1X-I-OI3 FCO COVER SHEET INFORMATION - CONTINUED
FCO
Order by
FCO Kit.:

Ouantity:

EO-01373-01
EO-01373-02
FA-04656-01
EO-01275-01

1
1
1

FA-04544-01

1
1
1

FA-04649-01

E()-01380-01

Description:

:Part Number:
70-1S491-01
70-1S491-02

16 BIT RASI HEAD DISK ASSPMRLY
IS BIT RA81 HEAD DISK AS~EMPLY
RA81X-I-013 FCO DOCUMENTATION

10-13466-22
13-05121-00

0.1 MFD 50V CAPACITOR
3S.3 OHt-1 RF.SISTOR,1/4 WATT, 1%
RAS1X-R-009 FCO DOCUMENTATIC1N
RAR1X-R-012 Feo DOCUME~lTATION
GROUNDINr, STRAP
EXT TOnTH
SCREW, TAP HEXWW
NUT,HEX EXT TOOT~ LCKWSHR 10-32
WA~HER, LOCK
FCO DOCUMENTATION

12-:2562Q-01

1
3

90-()S151-00
90-10075-01
90-n65l'5-00
90-n7651-00

4
3

FA-04662-01

Information

Part:s

3
1

WAS~~R,

EO Kit variation System/option Applic:: THERE ARE SEPERATE EO KITS FOR Lel,
SYSTEMS' RASls.
PLEASE NOTE - IF YOU ORDER £0-01373-01/02, YOU WILL REC~IVE
ALL THE OTHER EO KITS LISTED ABOVE. IF YOU SHOULD NEED
ADDITIONAL KITS, THEY \-JILL NEED TO BE ORDERED SEPERATELY.

CSSE Englneer
KEITH BROWN

F.S.

Product Safety

F•S •

CSSE Manaoer
RON MILANO

F.S. Microfiche Libraries

Log is tic s

Affected Population:

ESD&P Micropub.

Initial Kitting:

Revision:

Hardcopy Publication:

FCO Release Date

Parts Availability:

+-----------------------------------------------------.. ----------------------+
HDA REPLACEMENT FCO

*****************************'r********************************

*
*
*
*

*** NOTE ***
HDA'S SHOULD BE HANDLED WITH CA~E AT ALL TIM~S. DAMAGE

*
*
*
*
*
*
*

* WILL OCCUR FROM IMPROPER HANDLING. RETURNED HDA'S WILL
* BE RF:FURBISHED AND REISSUE!) FqB- ~.u:LD .. 'WPAIR~. _
*
l~ ~
r: ~ .... r: . !"" ~f,
* * *** * * * * * ** * * * * * * * * * * * * ** * ** .~ ~*\: t... t *1, .~*.~ ~ *.:.* ~ *~~ ,;:.~{*, 'If '*., ** **

•

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'*

•• **** •• *, •• ** •••• *~~ •• **************************.*.***
NOT E
*

'*
'* A ~eriod of time should be allowed for temnerature

* stahilization to occur when transporting HDA's from colder
• to warmer environments, or vice versa. The possibility for
• condensation to form when the HDA has been cooled then
'* heated quickly~ is quite hiqh. This causes head disk
'* interference (HOI) to occur. The LgD codes that can be
'* expected are as follows.

•
•
•
•

SERVO
2S 48 4D FA F9

HEAD/M,-DIA
S3 62 63 65 66

• Arranaements should be made with the customer to insure
• that the HDA has time to stabilize. There is a reqire~ent
• for a period of thermal stalilization of HDAs before they
• are spun up in drives. During the winter months, when a
• large portion of this FCO activity will take place in the
• Northern Hemisphere, the difference in te~perature between
'* an HDA that has .iust come in from be ing transported in the
• cold, and a computer room environment can he ouite larqe.
• If no time is allotted for this temperature difference to
'* equalize, humidity in the air inside the HDA can actually,
• condense into water inside the HDA and the probability of a
• head crash is high. The ti~e required for stabilization
• varies directly with the difference in temperatures.

•

•
•

*
*
*
*

•
*
*

•

•
•
*
*
*

•
•
*
•
*

• In storage or shipping, (with the RDA packaged for shinping) *
• the HDA should not be sub~ected to temperatures outside the *
• range specified by DEC Standard 102, -40C (-40F) to 6~C
•
• (lSlF). The maximum temperature gradient must not exceed 22 '*
• deg C per hour, or 40 def F per hour. If the ambient
•
• temperature in which the HD}~ was stored was between lOC and •
'* 3AC (SOF and lOOF), the RDA may be installed immediately.·
• If the ambient temperature was between 0 deQ C and 10C,
*
• (30F and 49F) the RDA shouldl be allowed to warm to room
•
• temperature 22C, (appox. 70F) in the closed shipping
*
'* container for three hours minimum and then installed. For
•
• temperatures below 0 deg C, (30F), allow 1 1/2 hour~ more
*
'* for every 12 C (10 deg F) in addition to the three hour
*
• minimum.
*

•

• A very cold HDA that was stc.red in a van overniqht at -23 C, *
• (-10 deg F) for example, could take as much as 9 hours to
•
• thermally stabilize to the point where actual o~eration
•
• would not be risky. A maximum period of. 13.5 hours could be •
• reauired to allow thermal stabilization to take place from
•
• the lowest acceptable temperature to a standard computer
•
• room temperature.
•
• With this in mind, it may be aporopriate to have BOAs
*
• delivered to the site which is to be FCO'd the day or
•
• evening before the acutal FCO installation is to take place. •

I
•*** ** •••••••••••• ·*·PR11... ·*T,.·*
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****************************************************************
HDA HANDLING INFORMATION
*
*
*
*
* A LARGE NUMBER OF THE HDA'S THAT ARE RETURNEO FROM THE FIELD *
* HAVE PROBLEMS THAT CAN BE AVOIDED IF THE FOLLOWING RULES ARf *
*
* OB~ERVF.n.
*
*

* 1 ) WHEN INSTALLING/DE-INSTALLING HDA'S TH~ HEAD5/POSITIONER *
*
~HOULD AL\~AY~ ~p. IN THE "LOCKEn" P0SITION.
*
* 2 ) THr. HEAD/POSITIONER SHOULD ALWAYS BE LOCKED PRIOP TO THE *
*
ORIVr. BEING MOVF.D.
*
* 3 ) THE HDA SPINDLE/PULLF.Y SHAFT SHOULD NEVF.R BE ~PUN RY
*
*
HAND IN EIT~ER DIRECTION.
*
* 4 ) THE RUBBER SPINDLE/PULLEY ~HAFT LOCK SHOULD BE INSTALLFD *
*
WHF.N RETURNING HDA'S FOR FEPAIR. THIS LOCK IS BEING
*
*
SHIPPED WITH ALL FIELD REPLACEMENT HDA'S.
*
* 5) WHEN REMOVING HDA'S FROM TH~ DRIVE, THE HDA SHOULD
*
*
ALWAYS BE PLACED UPRIGHT ON THE PLASTIC BULKHEAD FEET
*
*
END. IT SHOULD NEVER RF: PLACED ON THF; SPINDLE/PULLEY
*
*
SHAFT.
*
* fi) WHEN CLOSING THE LOGIC CHASSIS ASSEMBLY THE HDA/DRIVE
*
*
SHOULD RE SPUN DOWN PRIOR TO CLOSING. WHEN THIS CHASSIS *
*
DOPoS NOT CLOSE PROPERLY, THE LATCH SHOULD B~ ADJUSTED.
*
*
THE CHASSIS SHOULD NOT NEED TO BE 5LAM~ED SHUT.
*
* 7) WHEN INSTALLING THE DRIVE, ALL HDA SHIPPING BRACKETS
*
*
SHOULD BE REMOVED, AND :fiDA HOLD DOWN NUTS SHOULD BE
*
*
REPLACED. THESE NUTS SHOULD ~E VERY FIRMLY TIGHTENED
*
*
BUT ONLY FINGER TIGHT. DO NOT OVER TIGHTEN THE NUT5,
*
*
THIS WILL CAUSE THE SHOCK MOUNTS TO BECOME INEFFECTIVE. *
* 8 ) ESO PROTECTION SHOULD A:LWAYS BE OBSERVED WHEN HANDLING
*
*
HDA'S.
*
* 9) ALWAYS USE THE RUN/STOP SWITCH TO SPIN THE ORIVE DOWN.
*
*
IlNEVER!! USE THE DRIVE CIRCUIT BREAKER TO STOP THE
*
*
DRIVE.
*
* 10) ALWAYS USE THE HDA SHIPPING CONTAINER FOR TRANSPORTATION *
*
OF HDA'S TO AND FROM THE SITE. IT IS DESIGNED TO
*
*
PROTECT THE HDA FROM BEING DAMAGED DUE TO MISHANDLING.
*
*
HDA'S SHOULD REMAIN IN ~rHF, BOX UNTIL RE.~OVED FOR THEIR
*
*
ACTUAL INSTALLATION INTO THE DRIVE. !!N~VER!! TRANSPORT *
*
AN HDA ON ANY KIND OF ~iEELEO CART WITHOUT THE HDA BEING *
*
IN ITS BOX !!!
*
*****************************,-**********************************
**************************************************************
*
*** NOTE ***
*

* THE PRERF.OUISITE TO T~IS FCC IS THE INSTALLATION OF FCO'S

*
*

*
*
* NECESSARY BUT ARE NOT ALRF.:A[)Y INSTALriED, IT IS RECOMMENDED *
*
* THAT THEY BE INSTALLED BEFOF~E INSTALLING A NEW HDA.

* RAB1X-R-009, RABIX-R-0012 AND RA81X-I-014 (SEE FCO OUICK
* CHECK'S AELOW)." IF IN~TALL}~TION OF THESE FCO' S ARE

**************************************************************

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--I OUICK
...
.. ------ .. - - .... __ .. ----- .. CHECK FCq RARIX-r-009 I
....

--~--

------------------------------(SEE ATTACHED RA81X-R-009 FOF COMPLETE Feo OVFRVIFW AND

INSTRUr.TI0N~).

PPESF.NCE OF 0.1 UFD CAPACIT~R AT LOCATION C29 AND 38.3 OHM PRF.eISI0~
RESISTOR (ORANr,E-GRAY-ORANGE) AT LOACATION R64. RARlx-s-n04,
R/W MODULE (54-15253) MOST BE AT CS REVISION LEVEL "0" BEFORF
INSTALLATION OF THIS FCO. PROBLEM - HIGH RATF. OF EFROR CODES 62
AND/OR 63. INTERMITTENT, UNEXPLAINED BURSTS OF ECC ERRORS.

I OUICK CHECK FOR RA81X-R-012 I
(SEE ATTACHF.D RAS1X-R-012 FOR COMPLETE FCO OVERVIF.W AND INSTRUCTIONS)
MICROPROCESSOR DATA SEPARATOR WINOO\'l ADJUSTMENT
THE JU~PERS ARE LOCATED BF.TWEFN £169 AND £170 NEXT TO
J304 READ/WRITE CARLE CONNECTOR.
READ/URITE CABLE

----- '-----------------------------------------1---------------------I

1
7

!!!THF. FOLLOWING SETTINGS ARE THE ONLY ADJUSTMENTS THAT CAN BE MA~E.!!!!
IF ANY OTHER ADJUSTMENTS ARE PERFORMED THE DATA SEPARATOR WINDOW WILL
BE OUT OF TOLERANCE.!!!
RESULT

CHANGE

OLD SETTING
ADD W9

W9 IN

W9 IN W7,W8 OUT

ADD WA

W8 IN W7,W9

ADD W7 AND W9

REMOVE \"18

W7 W9 IN

W9 AND W8 IN W7 OUT

ADD W7

REMOVE W8

W7 W9 IN

W9 ,W8 ,W7

OUT

~"'9

*******************************************************************************

*
*
*
MICROPROCESSOR MODULES WITH AN E:TCH "B", C.S. "1(1" OR ETCH "Cl" ,C.S. "Ml"*
* FEVISIONS SHOULD l'10T BE ADJUSTED. RA81' S AT HARDWARE REVISION 6 WILT.. HAVE *

* THE "M1" OR THE "H2" MICROPROCESSOR.
*
************************************.'******************************************

------------------------------, OUICK CHECK FOR RARIX-I-014 ,
(SEE FCO RA81X-I-014 FOP COfJlPLETE FCO OVERVIEW AND INSTR{lCTIONS).
ADA CHA~SIS ANO DRIV~~~1~~':ARE~!AT t>:r.FfEREf~~PI>UND REFERENCE.
DATA ERRORS (ECC ) AN1'<i~f~of1 JS
ERROR~ :
;,~~~TED TO ME DIA DE F ECTS ,

m.n

c.:

',JIS' t"'". '.

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t£

HDA REMOVAL PROCFDURF.
1.

Request the RAAI drive from the

custom~r.

*******************************************************
* A COMPLETE BACKUP MUST BE PERFORMED REFORE STARTING *
* THIS PROCESS. A L~G AND VERIFY OPERATION SHOULD SF. *
* USF.D DURING THE RACKUP!RESTOPF. PROCF.SS.
*
*******************************************************

-----------------------------------------------------------------------RA8l VAXCLUSTER BACKUP NOTES
Before replacing an RA8l HDA, proper media hackup MUST he done,
preferably by, the site system manager. ex-eSSE recommends us ing the
VMS Backup utility for maximum data inteqrity.
Although the 'MS Backup utility an~ procedures (to tape) are
considerably slower than the HSCSO BACKUP and RESTORF. utilities,
potentially fewer tapes are u:sed in VMS Backups, and wri te
verifications are done if the /VERIFY qualifier is used with the VMS
BACKUP command.
When invoking the VMS BACKUP utility, be sure that your customer uses
the /REWIND and /VERIFY Qualifiers to assure data inte9rity. ~ACKUP
generated tape volume headers may become corrupted and render the
remainder of the data on that tape volume inaccessible if those 2
Qualifiers are not used. This is due to a VMS V4.0, VMS V4.l and
VMS V4.2 tape class driver bug.
The recommended command str in~~ for VMS Backup is:

device:'
$Backup/Image/Verify/Rnwind 'source disk:' 'target
The Backup utility should be run from a hardcopy terminal, and all
output messages from this backup should be preserved and reviewed by
the field enqineer installi 9 the RA81 RDA FCO and the site system
manager. Any abnormal BACKUP messages ie. %BACKUP-E-BADDATA OR
-FORC~DERROR should be flagged and any Questions regarding the
messages and recovery actions should be routed by the field service
engineer to the respective support groups OR TSC.
For optimum speed, an HSCSO B41lckup will utilize .. 2400 f ~ot reels of
tape to completely backup an entire RA8l drive. The HSCSO ~ACKUP
utility does a physical backup of a RA series disk and has no
knowledge of any type of operatinQ system file structures on a disk.
The HSCSO Backup utility uses the tane functionality of read after
write, but does not do complete rewind and read verification.
----~---------------------------.--------~-~--~--------------~----~-----r~

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ULTRIX BACKUP NOTES

The best possible way to back, up the file system~ on RAel' s is to do
a zero level dump of each file system on the RA81.
THIS SHOULD RE DONE AT THE SINGLF. U~ER LEVEL.
There i~ no verify pass under the dump proaram. Due to tape ~rrors it
maybe wise to dump each file syst~m taoe twice ••• But that should be
UP to the customer. After the ADA is replaced the customer will have
to make new file systems on the RA81. Details of the "backup"
process are available in the software notebooks.
Additional information, or specific instructions, can be orovided hy
the ULTRIX Customer Support personnel at the Customer Support Center.
RSTS/E BACKUP NOTES
For the customer that las multiple PA81's, usina the SAVRE~ proaraM
to do an IMAGF. copy from one RA81 to another would be the fastest and
most effective method. If only using a Maq Tape drive in the backup,
SAVRES can be used also. Doing an imaae SAVE to "tape" can be
accomplished, however, in all cases the /VERIFY switch should be used
and possibly a second SAVSET for safety sake.
RSTS development feels that SAVRES is easiest, especially for V7.2
and V8.0. They also suggest that 2 backups are better than one.
When possible a BACKUP of thE~ customer data should ALSO be done. V7. 2
and VA.O use the 'old' RSTS backup. V9.0's new backup is easier and
more reliable than the 'old' ~ This backup can be used to selectively
restore customer files should the need arise. ~ave sets cannot be
restored selectively.
Since the "new" version 9.X backuD is not widely known, the customer
should reference the software documentation, if not familiar with it.
SAVRES also has th~ ability to "halt" on the occurrence of an error
during the "copy" of the datil. If you wish to have SAVRES halt on the
occurrence of an error, the /NOERROR switch can also be used. This
way any error can be examined on its occurrence and the "backup"
terminate. The error may have to be "repaired" before restarting the
SAYRES "backup".
It would also be recommended that customers, "clean-out" any files
that are no longer needed, b~!fore starting the SAVRE5. This way any
files that will no longer be needed, can be deleted and not add to
the time that SAYRES runs.
Details of the SAVRES, and B1~CKUP, commands are in the RSTS/E System
Managers Guide. Any additional information needed or help in the
process can be directed to the customers local DEC Software Support
Specialist, or if necessary the Customer Support Center RSTS/E
Customer Support Personnel.
~-

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RSXIIM

BACKUP NOTES

(+)

nISK TO TAPE
We recommend using online BRU (M-PLUS V2.l Undate E or later/11M '.14.1
update E or later) if that is possible. If it is not possible,
because the disk to be backed up is the system disk, (i.e. the disk
that the system was booted from), standalone BRU (BRUSYS or BRU~4K)
from the M-PLUS V3.0/l1M V4.2 distrihution should be used.
UNDER NO CIRCUMSTANCES SHOULD BtU /IMAGE (FROM ANY DISTRIBUTION) BE
USED! ! ! !
The recommended procedure for backing up and restoring an entire disk
to tape is:
1) For online BRU
>MOU mmn:/FOR
)MOU ddn:/FOR

mount the tape foreign
mount the disk foreign (to insure exclusive
,
access)
)BRU /VER ddn: mmn: : backup with verify (each tape will be
verified immediately after it is written)
1

After the RDA is replaced:
)BAD ddn:
: run BAD on the NEW disk
)BRU /VER/INI mmn: ddn: :~ restore with verify (the entire disk
; will be restored b~fore the verify
:~ pass)

----------------------------~-- -------~~-------------------------~~-~--

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~----~~-------------~--~-~-~~~-------~-----~-----------------~--------

CONTINUED ~SX11M (+) BACKUP NOTES

2) For stan~alone RRU, boot up BFU64~ (on 11M) or BRUSYS (on ~-PLUS)
then you will be prompted for the devices you are going to use
(see p7-23 of the Utilities Manual). You can enter /OEV at this
point to see if the vectors and CSP's are correct for the
devices you wish to use (they are correct if the device shows
online, they are incorrect if the device s~ys offline). You can
enter the correct vector an~ CSR at this point - the examole below
shows this.
Fnter first device: OUO:/CSF-172lS0/VEC-lS4
Enter second device: romn:
>RUN BRU
BRU>/VER ddn: rnmn:
: backup with verify (each tape will be
1 verified immediately after it is written)
After the disk is renlaced, you will have to reboot BPU as before,
and answer the device Questions as be~ore. Then
>RUN BAD
BAO>ddn:
>RUN BRU
BRU>/VER mmn: ddn:

: run BAD on the new disk
: restore with verify (the entire disk will
: be restored before the verify pass)

Note: Backing up a "full" RARI to tape at 1600 BPI may require
between 13 and 15 2400 ft. tapes. For the purpose of ROA
replacement, the tapes used should be the best quality you can
find (AT LEAST certified to 6250 BPI)
NOTE
11M V4.2 and M+ V3.0 have not yet gone to the SOC. So for
those systems where they must use standalone BRU, A copy
of standalone BRU will need to he obtainerl.
(if. it hasn't shipped by then, or if the customer is not under
contract).

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OISK TO nISK COPIES
- if the customer has a tape ~rive - us~ the tape method
- if they have another RA81, they can use the sa~e
method we recomMend for tape - )ust substitute the second disk
name for the tape unit
- if they have other disks that are big enough to hold the data from
the RAR1 assuminQ it's not full, they can use BRU to cony the
data to that other disk - the biqgest prohlem with disk to disk copies, is that
the /IMAGE mode of BRU which is used to cony a biq disk to
multiple little disks in BRU format doesn't always work - and
you don't know it didn't until you try to restore - a ~roblem we
definitely want to avoid.
DS~-11

(MUMPS) BACKUP NOTF.S

The DSM-ll BACKUP utility is the hest way to go. D5M-ll's BACKUP
utility DOES NOT have a verify OPtion!
It might be wise to do the BACKUP and then do a RESTORE to make sure
the BACKUP worked. In this case the RACKUP would have to be done to
some other media or a "scratch" RA81, in order to preserve the
"master" copy being backed-up, until it can be "verified" that the
backup copy is good.
DSM-ll just finished field test, so a new release, V3.l may well be
in the field by the time you start doing any of this. I will mention
that 3.0A BACKUP had problems and BACKUP has been rewritten for the
new release.
Specific instructions for the use of the BACKUP utility is in the
software manuals. Any additional information on the use of this
utility can be directed to the appropriate nSM-ll CustOMer Surport
Personnel.
lAS BACKUP NOTES
Since lAS is a "tYDe" of RSX, many of the RSX concepts need to be
understood. lAS has a backup utility like the RSX "BRU" that can be
used.
lAS engineering has suqgested that the best way to go is to use
BRU with verify enabled. Then re-run BRU with the compare
aualifier.
-----~~----~---~-----------------------------------------------~-------

------~---~--~---~-~----~~--~~-~--------------~-------~~------------~-~-

TOPS-20

The best way to proceed is as follows:
1) Run the DLUSER utility to preserve ALL the directory information
on a structure. The file containing this information should
probably be put in a secure environment such as (OPERATOR) rather
than (F-S>. Also, the DLU~ER data should be kept in machine
readable form and (as silly as it sounds) make sure the DLnSF:R
data does NOT go on the HnA or structure about to be replace~.
2) use DUMPF:P to do a FULL save of the entire structure. One should
probably do this on a 6250 BPI Tape drive (@6250 BPI) at some
relatively high blocking factor such as A or In. TU72s or TU78s
are probably the best way to do this.
3) REWINn the DUMPER tape.
4) Run the CHECK DUMPER function to verify the rlata that you've
backed up.
Obviously, there should be no users of the structure at the time of
the full save. Also, it miaht be a qood idea to run the ~,pe drive
reliahility diagnostic to be on the safe side.
Once the FCO is complete:
1) run CHECKD to rebuild the structure.
2) use DLUSER to replace all the directories on the structure
3) then do a full restore on the structure usinq the DUMPER tapes you
earlier produced/verified.
The DLUSER steps are probably critical because DUMPER does not
preserve all directory attributes in some versions in the field.
This is all covered in one of the following three places - the
OPERATOR's guide (vol 10 of the SW notebooks), the System Manager's
Guide (vol 9) and the KL Model B Installation guide (also vol 9).
You should also be aware that a structure unrler TOPS-'-O can span up
to 4 RA8l spindles. This means that once one spindle/pack is
replaced, the ENTIRE structure must be rehuilt. Said another way,
to reolace one HDA, the entire volume-set must be backed up and
reconstructed.
Tight cooperation between the engineer replacing the HDA and the
systems proqrammer/manager is encouraged.

CONTINUATION OF FCC PROCESS
2.

The RA8l drive must be dismounted and deselected.

Depress the "A and 8" port switches on the Operator Control
Panel to the "OUT" position. See Fioure 1.

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Spin the drive down by pressina the RUN/STOP switch.

Open the back door of the cabinet •

(Fi~ur@

•••••••••••••••••• * ••••••••••••••••••••••••••••• ******
•
•

•
•
•
•

CAUTION

•
*

Before proceddina, turn off the AC Circuit ~reaker *
at the rear of the Driv$ and disconnect the main
•
AC power cord from the power supply on the rear of •
the Drive. (Figure 2)
•

••••••• *••• ** ••• *.*.** ••••• * •••••• *••••••••••••••• *.*.

If this is a

Pullout the cabinet stabilizer bar.

fixe~

mount drive, proceed to step 11.
(Figure 3)

••••••••••• * •••• *.*~r*** •• **********.* •••••• ***.* ••••••
•

•
•
•
*

CAUTION

•

Never slide a drive out of the cahinet without
extending the cabinet stabilizer bar.

•

•
•
•

********.**.** •• **.,~*.*.*.*************.*.* •• *.*** ••• *
8.

Remove the screw holding the back of the disk drive to the
electrostatic discharge bracket. (Figure 4)

Slowly pull the Drive out, until the slides lock into place.

10.

Push up on the slide lock arm "A" to extend the Drive all the
way out. (Fgiure 5)

11.

Depress the 109ic chassis release latch with a standard
screwdriver and raise the chassis. (Figure 6)

12.

Attach E.S.D. wrist strap to chassis ground stud. (Figure 7)

13.

Disconnect cables PSOI and PS02 from the Read/Write
module. (Fiqure R)

14.

Disconnect cables P601, P602 and P603 from the HDA bulkhead
cover. (Figure 8)

15.

Remove the Read/Write module from the HDA by removing the four
(4) hold down screws.

16.

Place the positioner/head locking arm in the locked position.
(Figure 8)

17.

Remove the four (4) ADA. retaining nuts from the
mounts. (Figure 8)

18.

Place the belt tension lever in the released position.
(Fiqure 8)

19.

Gently lift the RnA asp~fff
~,
place it on a flat wor
~~~c. '~~~l~~~
on the
sur acl·lwft . t,!
fa c 1 ng down. (F 1 9 u r e 9
~".,
!::a '.:

pla~ed

w~rk

shock

It. J<lwnm

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SjiS and
F{S be
f.eet

,:r>'''~t'~.
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ADA INSTALLATION PROCEDURE

r' ~

------------------------_.- SI ''''''

1•

;........ "

•. \ .

Remove the new ADA from t:he i'h~ n~{·~q ~~ht'll'h:e'r' ~rf~ o'ra'cle ''1~;: '.
gently on a flat work surface. HDA's should a1wavs be placed
on the work surface with the plastic bulkhead feet facino down.
(Figure 9)

Remove the plastic spindle/pulley lock from the spindle shaft
of the new ADA. (Figure 10)

Attach the soindle/pulley lock to the olrl HDA spinn1e shaft.
(Figure 10)

Install the new MDA into the lower chassis.

Reattach the four (4) ADA hold down nuts to the shock
mounts. The nuts should be auite firm and snug, but only be
FINGER TIGHTENED. (Figure 8)
************************,~**************************************

NOTE

*
*
* THE INSTALLATION OF FCO RA81X-I-014 SHOULD BE PERFOlU'ED AT *
* THIS TIME. ALSO VERIIF'Y THAT FeO RA8IX-R-009 HAS BEEN
*
* INSTALLED. IF IT IS NOT INSTALLED, 00 SO AT THIS TIME.
*
************************,-**************************************

Once FeO RARIX-R-009 and RA8lX-I-014 have been completed, then
reattach the Re~j/Write module using the four (4) hold down screws

Reconnect cables P50l, and P502 to the Read/Write module.
(FiQure 8)

Reconnect cables P601, PI502 and P603 to the bulkhead cover.
(Figure 8)

Place the belt tension lever in the engaged position. ( Figure 8)

10.

Place the positioner lock arm in the unlocked position and remove
the E.S.D. wrist strap from the ground stud. (Figure 8)

11.

Close, but DO NOT SLAM the looic chassis.
NOTE
AT THIS TIME, VERIFY THAT THE INSTALLATION OF FeO RAAlX-R-012
HAS REEN PERFORMED. IF NOT INSTALLF.D, PF.RFORM THIS FeO AT
THIS TIME.

----------------------------------------------------------------12.

If this is a fixed mount drive, proceed to step 15.

13.

Push in on slide arm "8" and slowly slide the Drive back into
the cabinet. (Figure 5)

14.

Reinstall the screw holding the back of the Drive to the
electrostatic discharge bracket. (Figure 4)

••••••••••••••• ** •• ** ••••• ***.*.* ••• * ••• , ••••••• * ••••••
*
CAUTION
•

•
•
•

* The screw holding the back of the Drive to the

•

•
electrostatic discharge bracket must he installed. •

•

*.**.**.*.* •• *.***.*.****.**.***.***.******************
15.

Reconnect the AC nower cord, at the rear of drive, to the AC
receptacle. (Fiqure 2)

16.

Turn the AC Circuit Breaker, at the rear of the drive, to the
"ON" position. (Figure 2)

17.

Spin up the Drive by pressing the RUN/STOP switch.

18.

After the Drive has spun up and a ready liqht is "ON", press
the "A" and/or "B" port switches on the Operator Control Panel
to the "IN" position. (Figure 1)

19.

Run the appropriate RAel drive diagnostics for at least
30 minutes.

(Figure 1)

VAX

32 BI1r

UDASO, EVRLA or EVRLG
HSCsO/ILEXER

PDP-II

UDAsO, C2UOC or C2UDI

DEC 10/20

36 BIT

BI~~

HSCSO/ILEXER

20.

Return the RAel drive to the customer for software
restore/initialization.

21.

Enter all FCC activity in the Site Management Guide.

22.

Complete the LARS form as~ shown in APPENDIX A.

23.

Lock the Head/Positioner and re-install the spindle lockin9 ~trap
onto the old HDA (Figure 10). Fill out the attached form
(Appendix B) and carefully place the old HOA, afong with this
form, in the shipping cOl1ltainer and return it to your L09istics
Department.

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FAULT INDICATOR AND
RESET SWITCH
(REO)

'ORTA
SWITCH AND INDICATOR
(WHITE)
WRIITE·'ROTECT
SWITCH AND INDICATOR
(yELLOW)

"UN/STOP
SWITCH AND INDICATOR
(YELLOW)

'ORT I
SWITCH AND INDICATOR
(WHITE)

•

Figure 1

Front-Panel Controls and Indicators

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DRIVE
CIRCUIT
BREAKERS

POWER
CORDS

AC OUTLETS FOR
DRIVE POWER ON FRONT
OF POWER CONTROLLER

LOCAL/REMOTE
POWER CONTROLLER
CIRCUIT BREAKER

Figure 2

BACK OF AN RABl DRIVE

I,'
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'ULL oUr rHE
CABINEf srABILZZEI

FIGURE 3
STN3ILIER ~,~R

f)RELIIV1 i1'~~i\R'y
SUBJECT TO CHANGE WITHOUT NOTICE

•c'

11.ICTIllOSTAT.C
crSC· ... ·GI
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•

•
•
•

IEHOVE THE SCREW HOLDING THE
IACI OF THE DISK DRIVE TO THE
ELECTROSTATIC DISCHARGE IIACKET
THE SCREW HOLDl~G THE
lACK OF THE DRIVE TO THE
ELECTROSTATIC D~SCHAIG£ IIACKET
IE-l~STALL

FIGURE 4
ELECW) DISC~J\.rr,E ~~~CI1:T

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CASINET

•

SLIDE
ASSEMBLY

PUSH UP ON SLIDE LOCK ARM "Aft
AND FURTHER EXTEND THE DRIVE
TO THE LIMITS OF THE SLIDES
PUSH IN ON SLIDE AlK ftl"
AND SLOWLY SLIDE THE 'DRIVE
BACK INTO THE CABINET
FIGU~E

!lRI',IF. ~LI!! /i~'S

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SUBJECT TO CHANGE WITHOUT NOTICE

lOGIC ACCESS COVER

LOGIC ACCESS

/VERLOCK

FIGUP£ 6
LffiIC CHA~SI5 RE~r<;E l~TCY

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APPENDIX B

WA.) THIS Feo A r8ULT CF AFAIWPE cr: lHE ~ _ _ _ _ _ _o~
fe'LACED AS PAf{T tf 1l[ FCt) PROJAA'~ _ _ _ _ _1

PlIOSE ~lRlTE I'! THE SEPIAL ~..rs~ ~ -r.~E nRl'.1[ I~! \~IC~ 'fUIS :~!~. IS
BEI~)j PLACED I~rro
~~ THE Ne' ~l ~t,
SERIAl Ntr~~ _ _ _ _,_ _ _ __

PlE.~~: r[LL~ TIiIS F~ I-HlP TI~ R~]U~)!! 'J: THE OLD HD.~ Te yryJ~

Lrr,ISTICS 1lPA~TI~rr,'

r . . ··-~~.s;··-···,

.P r\t.L!,Viji\I~;--'~1
~~i

SUBJE"CT TO CH,A~JGE V!1Trl0UT NOTICE

~-1i.

.. -. ..

___ ______ .. ______ .. _____ .. _ .. __

"_~t.

_____ '" .... -_ .. --.... ---- -_.... -....... -. .. _-. _____ .... _.. __

------~~-~~--------- ----~--~~~-- -~-~.~~-

~-------------------- ~--------~~~---

FCO COVER !$HEET FOR RA81X-R-0009

FCO •

RA81X-R0009

HOURS

1.0

OUICIC CHECI( :

Presence of 0.1 ufd capacitor at location C29 AND
38.3 ohm resistor at location R64 on the Read/Write
Module.

LAST PREVIOUS FCO :

RX81X-R0008

RELATED or
PREREOUISITE FCO's :
APPLICABILITY :

RAS1X-S004, R/W module (54-l!.J253) must be at CS
Revision level ·0" before installation of this FCO.
Retrofit drives where Droblem is evident.
Drives affected are Serial Number CX30400 and below
for 60hz and Serial Number eX6580 and below for 50hz.
The minimum acceptable revision of the 54-15253 in
spares stock :Ls ETCH REVISION ·B", CS REVISION "Fl".

SPECIAL TEST EOUIPMENT, VELOSTAT KIT (Anti-Static)
TOOLS, or SUPPLIES :

PIN • 29-11762-00

FIELD INSTALLATION
and TEST PROCEDURE

See attached "REWORK PROCEDURES"

NOTE :

This Feo implements the following ECO's:
54l5253-CX004
541S253-CXOOS

COMPATABILITY :

This FCO ·MUST" be installed prior to any installation
of revision ·El" (or higher) HDA (70-1S491-xx) into a
drive.

PROBLEM SYMPTOM :

High rate of error codes 62 and/or 63.
Intermittent, unexplained bursts of Ece errors
Need higher write current with Rev El or hlgher HDA
assembly (70-1849l-xx)

LOGISTICS

OTY

PART NU'~BER

DESCRIPTION

10-13466-22

0.1 mfd SOv Capacitor

13,-05121-00

38.3 ohm resistor, 1/4 watt, l '

EO-0127~)-01
FA-0454~I-Ol

Parts + Documentation
Documentation

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REW~RK

PROCEDUPE for FCO

* PA81X-pn009

Request that the customer release the system ana the RA81 drive.

Depress the "AN AND the "B" port switches on the operator control oanel
(on the front of the arive) to the "OUT" position.

Spin down the drive by depressing the "RUN/STOP" switch on the ooerator
control panel (on the front of the drive) to the "OUT" position.

Open the back door to the cabinet.

Press the drive AC circuit breaker "down" to the OFF position.

If the drive is fixed mounted (top drive), proceed to rework step 11.

Pullout the cabinet stabilizer.
*************~

*
*

*
*
*
*

(Figure 1)

'************************************
*

C.~UTION

*
N~VER SLIDE A DRIVE OUT OF THE CABINET
*
WITHOUT FIRST EXTENDING THE CABINET STARILIZER *
*

***************************************************

Remove the screw holding the back of the disk drive to the electrostatic
discharge bracket.
(Fiqure 2)

Slowly pull the drive out on its slides until it locks into place.

10.

Push up on slide lock arm -A" and further extend the drive to the limits
of the slides. (Figure 3)

11.

Push the logic chassis release latch with a screwdriver.

(Figure 4)

12.

Raise the drive chassis +:0 a completely raised position.

(Figure 5)

13.

Before proceeding, ensure that the VELOSTAT Anti-static Kit
(Din • 29-11762-00) is bein9 properly utilized during any handling of the
RIW module.

14.

RemOVE the Read/Write Module, pin 54-15253.

15.

Remove C29 (0.01 ufd, sOv capacitor).

16.

Install C29 (0.1 ufd, SOv capacitor, pin 10-13466-22) sUPDliea in the FeD
Kit. (Figure 6)

(Figure 6)

-: ,.-.",

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r~ ~:.

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(FiQure S)

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... "

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••••••• _ . . . .

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...

17.

Remove R64 (51.1 ohms, 1/4 watt, 1\, resistor). Refer to Fiqure 6. Thi~
resistor may be identified by the marking "SIRl" OR color-coded with the
color bands "Green-Brown-Brown-Gold-Brown".

lB.

Install R64 (38.3 ohms, 1/4 watt, l' resistor, pin 13-05121-00) su~nlied
in the FCO Kit. Refer to Figure 6. This resistor may be identifi~d hy
the marking "38R3" OR color-coded with the color bands
"Orange-Grey-Orange-Gold-Brown".

19.

When the ahove rework is complete, mark the module "CS Revision Fl".

20.

Re-Install the reworked R/W module back into the drive.

21.

Lower the drive chassis until the chassis latch engages.

22.

If the drive is fixed mounted (top drive), proceed to rework step 25.

Push in on Slide Ann "a" and
cabinet. (Fiqure 3)

24.

slide the drive back into the

slo~'ly

***************************************************

CAU!'ION

*
*
*
*
* RE-INSTALL THE SCREW HOLDING THE BACK OF THP *
* DRIVE TO THE ELECTROSTATIC DISCHARGE BRACKET
*
*
*
(Fiqure 2)
*
*
*****************************************************
25.

Raise the drive AC Circuit breaker (at the rear of the drive) up,to the
"ON" position

26.

Close the back door of the cabinet.

27.

Depress the "WRITE/PROT" switch on the operator control panel to the
"OUT" position.

28.

Spin up the drive by pressing the RUN/STOP switch on the operator control
panel (on the front of the drive) to the "IN" position.

29.

Observe the "READY" lamp on the operator console and verify that it
illuminates after about 60 seconds.

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"

•

.11

•

30..

Observe the wREADY" lamp on the operator console and verify the
followings
a) The "READY" lamp should extinguish (go out) approximately
every 30 seconds.
b) The "READY" lamp should re-illuminate ,(go on)
every 30 seconds.

31.,

approximately

This process allows the drive internal "idle" diagnostics to recycle as
long as the wPort Switches" and Write Protect switch are released.
Verify that' the ·FAULT w lamp DOES NOT. illuminate during several cycles of
the process described in step 30 above.

32.

Press the wAR and/or "8" port switches on the operator control panel (on
the front of the drive) to the ~IN" posi-ion

33.

Run EVRLA (VAX diagnostic) or C:~UDC (PDPll diagnostic) to insure proper
operation of the drive.

34.

Return the drive and system to t:he customer.

35.

Log this Feo activity into the l)igital Site Management Guide.

SUBjECT "{ 0 ~i~/"JCc L". fj-·;GUT NOTICE

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PSUBJEC1 TO CHANGE WiTHOUT NOTlCE
\ ,. - " '. .,..,,, ; \ I

F1lur. 1

•
•••
••
••

LE"

"EA" OF

DISK DRIVE.

REMOVE THE SCREW HOLDING THE
BACK OF THE DISK DRIVE TO THE
ELECTROSTATIC DISCHARGE BRACKET

IE-INSTALL THE SCREW HOLDING THE
8ACK OF THE DRIVE TO THE
ELECTROSTATIC DISCHARGE BRACKET

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SUBJECl TO CHANGE WITHOUT NOTICE

•

ILtDE
ASSEMBLY

PUSH UP ON SLIDE LOCI ARM WAft
AND FURTHER EXTEND THE DRIVE
TO THE LIMITS OF THE SLIDES

PUSH IN ON SLIDE ARM w8 ft
AND SLOWLY SLIDE THE DRIVE
BACK INTO THE CABINET

F11ure

SUBJECT TO CHANGE \ViTHOUT NOTICE

PUSH THE LOGIC CHASSIS RELEASE
LATCH WITH 1 SCREWnRIVER

F11ure 11

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SUB

A~·!GE VvITt·!OUT f~OT

-+-----------------------._--------------------------------------------------+
Level of Uraency
Paqe
Of+--+
FCO
dig i -t a 1
RARlX-R-012
RI
+--+
r

FIELD

CHANGE

Numbp.r:

ORDER

RAAlX-R-012

Applicability: REWORK ALL RA8l MICROPROCF.SSOR MODULES:
ETCH REVIRION "B" CS RF.VISI(,)N "K" OR LOWER
REVISION "Cl" CS REVISION "L3" OR LOW~R
problem/Symptom:
POTENTIAL ECC ERRORS ON THE RASI
Ouick Check:
SEE PAGE 2 OF THIS FCa
compatibility/Prerequisite FCO:
NONE

Est. Time to Install:
1.S
I

Special Tools or Test Eauipment: VELOSTAT KIT (ANTI STATIC) PART NUMBFR
29-11762-00. ZERO OHM JUMPERS PAR~r NUMBER 90-091RS-OO
FCC

Part!)

Inrormation

Order by
FCO Kit.:

Quantity:

l)art Number:

Description:

FA-04649-01

"~A-04649-0l

FCO DOCUMENTATION

EO Kit variation system70ption APJ")lic::
Approvals
Product Safety

eSSE Engineer
KEITH BROWN

F.S.

CSSE Manager
RON MILANO

F.S. Mic ~ of ichE~ Libraries

~SD&P

Affected population:
Initial Kitting:

Micropub.

Hardcopy publication:

Revision:
FCC Release Date

F.--.:.--------.
,rw'" ,-- ,.

~. or

+- --- -- -- -- - - - -- -- ---- - -- - - -- - -- - -

Logistics

F.S.

i: '.

SL.i'

n- -

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'W;

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.
---------~
.'
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-. . ---------------

Parts Availability:

• ;

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~.~

• ~

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. ,"--

•

.~~ __

•••

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*** PLEASE NOTE ***
THIS ADJUSTMENT SHOULD ONLY BE PERFORMED ON MICROPFOCESSOR MODULES WITH A
ETCH REV "CI", C.S. REV "L3" OR LOWER, AND ETCH REV "8", e.s. REV "K".

*******************************************************************************
*
*
*
MICROPROCESSOR MODULES WITH AN ETCH "8", C.S. "KI" OR ETCH "Cl",C.S. "MIn.
* REVISIONS SHOULD NOT qF, ADJUSTED. RA81'S AT HARDWA~E REVI~ION 6 WILL HAVE *
* THE "MI" OR THE "K2" MICROPROCESSOR.
*
*******************************************************************************
THE C.S. REVISION MARKING IS LOCATED IN THE UPPER LEFT (COMPONENT SInE) PORTIO~
OF THE MODULE. THIS MARKING WILL INCLunE A 2 OR 3 DI~IT DATA CODP AND THE C.S
REV:rSION ".EVEL, IE: 452L3 "L3" • C.~.REVISION LEVEL ,REFER TO PAR1 TECH
TIP 121 SrEED BULLETIN 343 7/30/84 OR DSA RIC,HT STUFF ISSUES I AND 2 FOR
ASSISTANCE IN LOCATING REVISION LEVELS.
BEFORE OR AFTER PERFORMING THIS ADJUSTMENT PROCEDURE, THE SITE MANAGEMENT GUIDE
MUST BE VERIFIED OR UPDATED TO REFLECT CHANGE.

... . ..

• .... ~ ~

. . ., .•,"
....

c·

.•

STEPS FOR GETTIN~ DRIVE FROM CUSTOMr~ AND PR~PARING FOR THE
IMPLF.MENTATION OF THIS Feo
--------------~---~--~-----~~~---~--------~-------~-~----~~--

1. REOUEST THE RAAl DRIVE FROM T~E CUSTOMER.
2. THE PAS1 DRIVE MUST BE DISMOUNTED AND DESFLECTFD.
3. SPIN THE DRIVE DOWN BY PRESSING THE RUN/STOP SWITCH. (Figure 1)

4. AFTER THE DRIVE HAS STOPPED, TURN T~E CIRCUIT BREAKER AT THE REAR OF THF
RAe1 TO THE OFF PO~ITION. (Figure 2)
5. REMOVE THE AC LINE CORD FROM THE REAR OF THE RAe1 DRIVE.

(Fipure 2)

6. OPEN THE LOGIC ACCESS COVER LID BY TURNING THE ALLEN HEAD LATCH SCREW.
(Figure 3)
7. FOLD OUT TAr. SE~VO AND PERSONALITY MODULE~.

(Fiqure 4)

8. DISCONNECT A!.. L CABLES ATTACHED TO THE MICROPROCESSOR MODULE.

(Figure 5)

9. REMOVE THE MICROPROCESSOR MODULE FROM TAB LOGIC CHASSIS.

MIC:ROPROCESSOR DATA SEPARATOR WINDOW .~DJUSTMENT
1.

THE JUMPERS ARE LOCATED ON THE MICROPROCESSOR MOnULE.

FOR PROPER JUMPER POSITION, LOCATE W7,WS,and W9, see Fi9ure 7.

VERIFY THE CURRENT JUMPER SELECTION
W7

(Fi~ure

ADD OR REMOVE JUMPERS PER TABLE LISTED BELOW USING THE JUMPER REMOVAL
PROCEDURES WHICH FOLLOW THIS TABLE.
l!lTHE FOLLOWING SETTINGS ARE THE ONLY AOJUSTMENTS THAT CAN BE MADE.!!!!
IF ANY OTHER ADJUSTMENTS ARE PERFC)RMED THE DATA SEPARATOR WINDOW WILL BE
OUT OF TOLERANCE.
CURRENT SETTING

CHANGE

RESULT

W9,we,W7 OUT

AOD W9

W9 IN

W9 IN / W7,W8 OUT

ADD we

we W9 IN

we IN / W7,W9

ADD W7 AND W9

W9 AND W8 IN / W7 OUT

•

REMOVE WR

ADD Wi
•

•

' • • '.

•

r.o. . RtMOVF we
~..

-f
...

'.. ..

W7 W9 IN
W7 W9 It

JUMPER REMOVAL PROCEDUPE

------------------------

THE JUMPERS ARE SOLDEPED IN PLACE. THE REMOVAL OF THE OLD JUMPERS WILL PEOT~IRE
EXTREME CARE SO AS NOT TO DAMAGE THE MODULE. THE FOLLOWING STEP~ ARE THE
EASIEST METHOD FOR JUMPER REMOVAL. F.~.D. PROTECTION MUST BE OBS~RVED AT ALL
TIMES. USE THE VELOSTAT KIT (ANTI-STATIC) PIN 29-11762
AFTER THE MICROPROCESSOR HAS HEEN R~MOVED FROM THE RA81 PERFORM THE
STEPS.

FOLLnt~I~G

1. USING DIAGONAL CUTTFRS REMOVF. THE I~XCF.~S LEAD OF PREVIOU~LY RE~OVED JUMPER
FROM THE JUMPER EYELET ON THE COMPONENT SIDE OF THE MOnULE. (FIGURP- 8)
2. ADD A SMALL AMOU~T OF SOLnER TO THE COMPONENT SInE OF JUMPER EYELET.

3. STRAIGHTEN THE JUMPER LEAD ON THE ETCH SIDE. (FIGURE 9)
4. PLACE THE

~10DULE

UPRIGHT , PREFERAHLY BF.'TWEEN KNEES WHILE SITTING.

********.*************************;~****.*.************************

*
! ! I I ! 1 WARN I NG! ! ! ! 1 ! 1 ! !
*
* DO NOT APPLY HEAT TO MODULE FOI~ EXTENDED PERIOD. OVERHEATING *
* WILL CAUSE DAMAGE TO THE MODULE AND RENDF.P IT USELESS
*
**********************************,r*******************************

THE JUMPER LEAD WITH NEEDLE NOSE PLIERS OR SIDE CUTTERS. HEAT THE
COMPONENT SIDE WITH A SOLDERING IRON AND PULL THE JUMPER LEAD OUT OF THF.
PLATED FEED THROUGH (PFT) HOLE. DO t~OT FORCE THE REMOVAL.

GRA~P

6. AnD A SMALL AMOUNT OF SOLDER TO THE JUMPER PFT HOLE.
7. SET THE MODULE UPRIGHT, PLAr.E A SOI.DF.R SUCKER ON THE ETCH SlOE OF THE
JUMPER PFT HOLE. APPLY IRON TO THE SOLDER TAP ON THE COMPONENT SIDE OF THE
PFT HOLE.
8. ENGAGE THE SOLDER SUCKER. ENSURE THAT ALL THE SOLDER IS RE~OVED. IF NOT,
PERFORM STEPS 6 AND 7 AGAIN.
9. SOLDER IN TH~ REOUIRED ZERO O~M JUMPER (PIN 90-09185 ) IN THE PFT HOLF.
10. REINSTALL THE MICROPROCESSOR MODULE INTO THE DRIVE.
11. ALLOW ALL INTERNAL DRIVE DIAGNOSTICS TO 'RUN TO COMPLETION BY DESELECTING
BOTH PORT SWITCHES DURING SPIN UP FOR FIVE (5) MINUTES •
12. RUN AT LEAST ONE PASS RA81 DISK t .IVF. DIAGNOSTIC
16 BIT PDP-II

UDA50

CZUDC

32 BIT VAX-ll

{TOASO
HSCSO

EVKAB
ILEXER

36 BIT 10/20

HSC50

ILEXER

13. RETURN RAsI nISK DRIVE TO THE CUSTOMER FOR SOFTWARE USE
14. LOG FCO ACTIVITY IN THE CUSTOMERS

F~ ~~'NlGl~N; ~Jh~t r.~, \ f
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'O"T A
SWITCH AND INDICATO"
(WHlTE)

FAULT tNDICATO" AND
R£5ET SWITCH
,"ED)
RUN/STO'
SWITCH AND INDICATOR

(yELLOW)

w.. rrE·'''OTECT

'O"T •

SWITCH AND INDICATO"
"'IfE LLOW)

SWITCH AND INDICATO"
CWH ITE)

•

Fiaure 1

Front-Panel Controls and Indicators

i; f!···~ ;'- ~ ~. ~ r' - -. ~ ~ ~~ ~ / .

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•

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~ ~ ~~. & ~ \ .... ~-:
, I \r •

,,"t '

~ M

SUBJECT TO CHANGE WiTHOUT NOTICE

DRIVE
CIRCUIT

BREAKERS

POWER
COROS

AC OUTLETS FOR
DRIVE POWER ON FRONT
OF'OWERCONTROLLER
e.

.....--.__--.....,I.,;;....a.- 'OWE R

_~_~IiiIIW

LAMP

LOCAL/REMOTE

Figure 2

Review of Dr'ive

~UBJECT TO CHANGE WITHOUT NOTlCE

LOGIC ACClSS COVP

Filure

Access to the Inside or the DriYe

SUBJECT TO CH;\r~GE VVJTHOUT r~OTICE

LOGIC ACCESS COVER

SEHVO
MODULE

DIAGNOSTIC
LEO INOICATORS

~....n ..../.,. ...

t - - -.......

o IIIIIIIIIIIIIIIIIIIIIIII~
Figure 4 Upper Logic Assembly

~IIR IH~T TO CHANGE WITHOUT NOTICE

LOGIC ACCESS COVER

101 CAlLI
CONNECTO"S
.....

--~Iit-------.I'o;

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••
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- -;-'-,~...~- -

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"":'.~.- - - I

I
I
,,~

FAULT

ITOP

OPERATOR CONTROL PANEL MODULE

MrTE

It.

•

READY ""'T
ACCESS TO LOGIC CHASSIS
IItELIASE LATCH

IL:=~!
I I JJ_LI I '-ra-.I-.....,.....---,ro:r
:
I I IJ I_q~
llfC

------

I
I

-- ---.:. I
_ _ _ _. . . . . .r.

CZoOm

Figure 5 Upper logic Assembly

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SUBJECT TO CHANGE vnn-:OUT NOTICE

..,

fig.ure 6
JUMPER LOCATIONS

UBJECT TO CHArJGE WITHOUT ~ ......
} .......

it ~1'3~ I B
I.?i'

& E1581~
c
I
Figure 7
Jumper location

IIi

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.& §! 70 I

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SUBJECT TO CHANGE WlTHOUT NOTICf

if t.l~~ I B

.'Pi'
&E1581~
I

~~~---'C

figure 8
Jumper Location

.SUBJECT TO CHAN:~f: ~;nTHOUT NOTICE

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Figure 9
Rear View of
Jumper location

•
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IO-lcf

»17

+--~~--~--------~-~~-~---~~--~~-----~--~~----~~~-~~.~~-----------------~-~~~--+

Level of. Urgency
dig i t a 1

FCO

Pace
Of-

+--+
Ir I
+--+

RABlX-I-014

---------------------------------------------------------------------------FIELD

CHANGE

ORDER

--:tpplicahility:

Number:

RABlX-I-014

ALL RAel DISK DRIVES

p:rob1em/Symptorn: HDA CHASSIS AND DRIVF; CHASSIS ARE AT 01 FFERENT GROUND
REFERENCE. DATA ERRORS (ECC) NOT RELATED TO MEDIA DEFECTS.

Ouick C'lo)eck: GROUND STRAP ATTACHED ~ETWEEN HDA AND POrrER SUPPLY CHASSIS
GROUND STUD.
Est. Time to In~tal1:

Compatibllity/prereauisite FCO:
RA81X-R-0009 AND RAAIX-R-0012

I
~S-p·-e-c~i-a~l~T-o-o~l-s--o-r~T-e-s~t~E-q-u~i-pm-e--n~t-:------------------FCO

Order by

Feo Kit.:
EO-01380-01

FA-04662-01

Inf.ormation

Parts

ouantity:

Part NumQer:

Description:

1
3
4
3

12-25629-01
90-08151-00

90-07651-00

C;ROUNDING STRAP
WASHER, EXT TOOTH
SCREW, TAP HEXWW
NUT, HEX EXT TOOTH
LCKWSHR 10-32
WASHER, LOCK
FCO DOCUMENTATION

~.0-10075-01

90-06565-00

EO Kit Vari~tion System/Option Applic:
Approvals
CSSE ~ngineer
KEITH BROWN

F.S.

eSSE Manager
RON MILANO

F.S. Microfiche Libraries

ESD&P Micropub.
Revision:
FCO Release Date

Product Safety

n
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~~. \~::'/".:-. ~....

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F. S •

L09 is t i cs

Affected population:

.,':, .~ . 1n i t i a 1 K itt i ng :
, .." . _ ...
t'

• ..

•

-~H-a-rd~c-o-p-Y--::P=-u"""":h--:l;-l~;c-a:-:t:--"ir-:o:""":n:-:---

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" . ~.(

SUl).;t..,.,

\.Jj·it~J" ~c.

• 'i i' 't./u, r~V J :l;:

Parts Availability:

+-----------------------------------------------------------------------------+

HDA GROUND STRAP INSTALLATION
1.

Request the RAel drive from the customer.

Depress the WA" and the "B" port switches on the Operator Control
Panel to the "OUT" position (FIGURE 1).

The RAe1 drive must be dismounted and deselected.

Spin down the drive by depressing the RUN/STOP switch on the
Operator Control Panel to the "OUT" position (FIGURE 1).

Open the back door to the cabinet •

•••••••••••••••••••• *.****.****.*********** •• *********
C AUT ION
*
*
*

• RF.FORE PROCEEnING, TURN OFF THE AC~IRCUIT BREAKER *
AT THE REAR OF THE DRIVF. AND nISCONNECT THE MAIN
*
* AC POWER CORD FROM THE POWER SUPPLY ON THE REAR OF *
• THE DRIVE (FIGURE 2).
*
*

*
*.***
••• ** ••••• *.** •• *** ••• **** •••• ** •• ***** •• *•••••••
6.

If the drive is fixed mounted (top drive), proceed to rework
step 11.

Pullout the cabinet stabilizer bar (FIGURE 3) •

• **.* •• * •• ****.**.1~ •••••• * •••• * •• *** •••••• * ••••••• **.
•
CAUT ION
•

*
*

•
•
•
••••••••••••••••••••••••••••••••••••••••••••• * ••••••• *•
NEVER SLIDE A DRIVE OUT OF THE CA~INET WITHOUT
EXTENDING THE CABINET STABILIZER BAR •

Remove the screw holding the back of the disk drive to
the electrostatic discharge bracket (FIGURE 4).

Slowly pull the drive out on it's slides until it locks
into place.

10.

Push up on the slide lock arm "A" to further extend the
drive all the way out (FIGURE 5).

11.

Raise the drive logic chassis by pushing the release latch
with a standard screwdriver (FIGURE 6).

12.

Attach E.S.D. wrist strap to chassis ground stud (FIGURE 7).

"..

.. •• '!'

I: '

....;

\.::.; ~. \

...~. .- .. ~
,

.. ,-,. : .-. •. ,,",., i\:-':

. _' •• :

. I 1'l ' •.
'.

; ; 4,,;'

13.

Remove all four (4) of the ~ead/Write Module (54-15253) hold down
screws. Save the shorter screws and return to stock (FIGURE R).

Lift the rear portion of the Read/Write ~odule up to exoo~e the
ADA mountinq standoff.

15.

Place one Star Washer (90-08151-00) under the left and rioht
mounting standoff (FIGUR€ R).
.

16.

Lay the Read/Write hack in place, and attach the two front
hold down screws usino the Longer Screws (90-10075-01) su~oli~d
in the F.C.O. EO Kit.

17.

Insert the Longer Screw through one end of the ADA Ground Strao
(12-25629-01) (FIGURE 8).

18.

Place one Star Washer (90-08151-00) on top of the left rear
Read/Write module groundinq pad (FIGURE 8).

19.

Attach Ground ~trap, Longer Screw, and Star Washer to the left
rear Read/Write module hold down. Insure that the lower Star
Washer is still in place (FIGURE R).

20.

Attach the other end of the Ground Strap to the Power Supply
ground stud using the Kept Nut and Star Washer supplied in the
EO Kit (SEE DETAIL A and B of FIGURE 7).

21.

Close the logic chassis, DO NOT SLAM SHUT - HDA DAMAGE MAY OCCUR.

~2.

The Hardware Revison level switches are to be chanqed to seven
(7). Remove the front bezel by removinq the upper and
lower mounting screws frlom each side of the drive (FIGURE 10).

23.

Remove the Operator Control Panel from the Bezel (FIGURF. 11) and
change the switches to reflect a hexidecimal seven (7) (FIGURE 9).

24.

Replace the front bezel cover.

26.

If this is a fixed mount drive, proceed to step 28.

·~
~.
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Of
.',
'"

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,.--- ':

...

~.".~.

•

....

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.:
",

27.

Push in on slide arm "B" and slowly slide the drive back into the
cabinet (FIGURE 5).

28.

Reinstall the screw holding the hack of the drive to the
electrostatic discharge bracket (FIGURE 4).

*********** •• *************~ •••• ************.*.** •• **.**
*
C AUT ION
*

•
*

*
*

THE SCR~W HOLDING THE BACK OF THE DRIVE TO THE
EL~CTROSTATIC DISCHARGE BRACKET MUST B~ INSTALLED

*
*
•

****.**************** •• * ••••• ***** •• *** •• *.************
29.

Reconnect the AC power cord at the rear of drive, to the AC
receptacle (FIGURE 2).

30.

Turn the AC Circuit ~reaker, at the rear of the drive, to the
"ON" position (FIGURE 2'.

31.

Spin up the drive by pressing the RUN/STOP switch (FIGURE 1).

32.

After the drive has spun up and a ready light is "ON", press
the "A" and/or "8" port switches on the Operator Control Panel
to the "IN" position (FIGURE 1).

33.

Run at least one (1) pass of RAel drive diagnostics.
VAX

32 BIT

UOA50, EVRLA or EVRLG
HSCSO/ILEXER

PDP-II

16 BIT

UDA50,CZUDC or CZUDI

nEe 10/20

36 BIT

HSC50/ILEXER

34.

Return the RARI drive to the customer for software initilization.

35.

Enter the FCO activity in the Site Management Guide and complete
the LARS form for FCO reporting.

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~

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FAULT INDICATOA AND
RESET SWITCH
,RED)
RUN/STOP
SWITCH AND INDICATOR
(YELLOW)

'ORTA
SWITCH AND INDICATOR
(WHITE)
WFUTE·'ROTECT
SWITCH AND INDICATOR
(yELLOW)

'OAT'
SWITCH AND INDICATOR
(WHITE)

•

Figure 1

Front-Panel Controls and Indicatc)rs

SUBJECT TO CtiP,[\GE 'lJiT~fOUT NOTICE

DRIVE
CIPICUIT
IREAKE~S

'OWER
CORDS

AC OUTLETS FOPI

DRIVE 'OWER ON FRONT
OF 'OWEPI CONTROLLER

1IIF_~I;at.~r--II"---""""':1"""'- roWE R

LAMP

LOCAL/REMOTE

roWE R CONTROLLE,.
CIRCUIT IREAKER

Fipure 2

BACK OF AN RAB! DRIVE

PSUBJEC110 CH:~~KAE VH1HOUT N01\CE
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FIGURE 3
ST~ILlzg~ ~~~

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;U~JE~l-~~' C;{ANGE WiTHOUT NOT\CE

l ..le'.OI'''',C

OISC".UGI

'~.CltfT

•
•••
•
•

•
•

IEHOVE THE SCREW HOLDING THE
lACK OF THE DISK DRIVE TO THE
ELECTROSTATIC DISCHARGE BRACKET
IE-I~STALL THE SCREW HOLDl~G THE
lACK OF THE DRlyE TO THE
ELECT~OSTATIC DISCHARCE IIACKET

FIGURE 4

EI£CITJ !)J SCU1\~E ~~~C~

"'~ ~
i

#If,

.. '

......

,.
'

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t'.·

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i
.
f•"' , ........ ,• . .. ,. .. . ..~ ~. 1 '\...
'j

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,
't.

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I
10

':/

it
:I

DI$"

D~IVE

•

SLIDE
ASSEMILY

PUSH UP ON SLIDE LOCK ARM ~A~
FURTHER EXTE~D THE DRIVE
TO THE LIMITS OF THE SLIDES

AN~

PUSH IN ON SLI~£ lR" ~B"
AND SLOWLY SLIDE THE DRIVE
BACK INTO THE CABINET

FIGUD£ 5
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LOGIC ACCESS COVER

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