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MISC-6840B7C5

April 1980

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Document:	RM03/TE16 and RM03/TU77 Based VAX-11/780 System Configuration
Order Number:	MISC-6840B7C5
Revision:
Pages:	5
Original Filename:

OCR Text

RM03/TE16 and RM03/1U77 Based
VAX-11/780 System Configuration

Effective: April 1980

Configuration Guidelines
Cabinet is required. The MA780 cabinet is always positioned adjacent to the CPU cabinet or the CPU Expansion Cabinet.

This VAX-11/780 packaged system Is configured with 512K bytes
of ECC MOS memory, an REM03 single access 67 million byte
disk drive with MASSBUS adapter, a TEE16 (45 inches/second)
or TEU77 (125 inches/second) magnetic tape transport unit with
MASSBUS adapter, an LA 120 OECwriter Ill console terminal, and
a BA11-K extension mounting box containing one 001-0K backpanel mounting unit and one OZ11-A asynchronous multiplexer
for connection of eight EIA communication lines.

1/0 Adapters (UNIBUS and MASSBUS)

Please note that there may be no substitution made for the LA 120
console terminal in this packaged system. Also note that it is not
advisable to use a video terminal as the console device because
there are cases where diagnostics and system software messages
are longer than the number of lines available on the screen. In
these cases parts of the error messages would be lost as they
scrolled off the top of the screen.

Memory (Local and Shared)
The CPU cabinet in this system has predesignated space available for an additional 3,584K bytes of ECC MOS, 16K chip memory for a total of four million bytes in the basic CPU cabinet. Additional memory may be ordered in any of the combinations noted
in the VAX-111780 SYSTEMS AND OPTIONS SUMMARY.

One DW780 UNIBUS Adapter (UBA) and two MASSBUS adapters
(MBA) are mounted in predesignated CPU cabinet space. Additional UBAs and MBAs can be mounted in the Option Panel
Spaces available in the CPU Expansion Cabinet, H9602-HA(HB).
Each additional UBA and MBA requires one Option Panel Space.
VAX-111780 systems can accommodate a maximum of four UNIBUS adapters AND four MASSBUS adapters.
The system can run as many devices from a UBA as will mount
into the allowable backplanes (within the power and bus load
limits of the UNIBUS) and as are supported by the VAX/VMS
operating system. One BA 11-K expansion box must be ordered
for each UBA which is added to a VAX-11 /780 system, in order to
mount options which are to be connected to additional UNIBUSes.
Additional disks (RM03 and RP06) can be added to either MASSBUS on this system without expanding it to a third MASSBUS.
Likewise, additional magnetic tapes can be added to this system's
magtape MASSBUS. When application considerations dictate
more than two MASSBUSes, additional MBAs may be ordered.

For expansion beyond the four million bytes to a maximum of
eight million bytes of local memory, an H9602-HA(HB) CPU
Expansion Cabinet can be ordered. An additional four million
bytes of memory with control (one MS780-C plus combinations of
MS780-D expansion memory) can be mounted in this cabinet.
The MS780-C controller requires two Option Panel Spaces in the
CPU Expansion Cabinet.

These are REM03, REP06, TEE16, TEU45, and TEU77 which include the mass storage device, its controller, a MASSBUS adapter, and its power supply.
Each MBA can run up to eight disk drives, OR eight tape drives
and seven disk drives on its MASSBUS.
Table I lists necessary information on expansion space, plus available power and bus loads for configuring add-on equipment to
this VAX-11 /780 packaged system.

Physical memory can also be expanded using the MA780 Multiport (shared) Memory Option. Two of these options can be added
to a VAX-11/780 system. Each MA780 holds up to 2 million bytes
of ECC MOS memory.

High-Performance Channel Interface

Maximum VAX-111780 configurations will therefore support up to
12 million bytes of ECC MOS memory.

The DR780 is a general-purpose interface which can be used to
connect customer-designed devices to a VAX-11/780. Also, two
DR780s can be used to connect two VAX-11 /780 systems.

The MA780 Muitiport Memory Option is connected to a VAX111780 via port interfaces (MA780-C). One MA780-C can be
mounted in the basic CPU cabinet. If two MA780 subsystems are
to be connected, an Option Panel Space in the CPU Expansion

The DR780 requires one Option Panel Space in a CPU Expansion
Cabinet, H9602-HA(HB). It Includes the interface logic, power
supply and 25 ft. of cable. There is a limit of one DR780 per VAX-

RM03/TE 16 and RM03/TU77 VAX-11 /780 System Configuration
z

SPACE FOR OIST.#2
(REAR MOUNTED)

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512K BYTE MEMORY
AND CONTROLLER

PANEL SPACE FOR
BA11-K#2

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1--

(EXPANSION SPACE
FOR AN ADDITIONAL
3,584K BYTES)

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RM03

DISKDAIVE

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w
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DIST.#3

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1-(5

SPACE FOR

FLOAT.PT.
POWER
SUPPLY

POWER
SUPPLY
FOR CPU

POWER
SUPPLY FOR
MEMORY

POWER
SUPPLY

FORMBAs

(I)

~J:

BA11-K
COOLING

COOLING

C!l
~

TIME-OF-YEAR CLOCK BATTERY

>a..

MEMORY BATTERY BACKUP (OPTION)
RX01
FLOPPY DISK SUBSYSTEM

(.)

11 /03 MICROCOMPUTER CONSOLE

VAX-111780 CPU CABINET

UNIBUS EXPANSION CABINET

DEDICATED MAGTAPE
CABINET

DEDICATED
DISK CABINET

111780 system and the OR780 cannot be configured on systems
which already include the MA780 Multiport Memory. The cable
from the user device to the OR780 can be up to 80 ft. in length.

l
UNIBUS
2 DZll-A ASYNCHRONOUS 8-LINE EIA MULTIPLEXER

3
4
5

The table below indicates the correct options to order based upon
the number and type of terminals or lines to be used. Note that a
OZ11-A with eight EIA lines Is standard with every packaged system.

0
0

-- -

Asynchronous Multiplexers (Programmed 1/0)
There are two kinds of asynchronous multiplexers available on
VAX-11 /780 systems, one for 20mA current loop operation and
one for EIA/CCITT. Each of these Is available in 8-or 16-line units.

TCYN, 1,~l!.~.

Quantities of EIA lines and 20mA lines can be mixed, but only in
groups of eight on different distribution panels. The first 8 lines of
either option includes its own 16-line distribution panel which is
prewired. So, for example, if 8 lines of EIA and 8 lines of 20mA are
desired, two different distribution panels are required. To expand
to more than 48 lines, an H9602-0F(DH) UNIBUS Options Cabinet
can be added.

l SU

I-

l SU

NUMBER
LINES

EIA

1-8

DZ11-A (incl.}

DZ11-C

9-16

DZ11-B

DZ11-F

17-24

DZ11-E

DZ11-F + DZ11-C

25-32

DZ11-E + DZ11-B

DZ11-F + DZ11-F

33-40

DZ11-E + DZ11-E

DZ11-F + DZ11-F
+ DZ11-C

41-48

DZ11-E + DZ11-E
+DZ11-B

DZ11-F + DZ11-F
+DZ11-F

20 milliampere loop

l SU

BAll-KE(KF} EXTENSION MOUNTING BOX

UNIBUS Expansion Cabinet

The information in this table should only be used for an initial
VAX-11/780 system.

An integral component in all VAX-11/780 packaged systems is the
UNIBUS Expansion Cabinet which contains one BA 11-K extension mounting box, one 0011-0K backpanel mounting unit, and
one OZ11-A asynchronous multiplexer. The UNIBUS Expansion
Cabinet can house a maximum of two BA 11-K extension
mounting boxes and provides space for up to three OZ11 distribution panels. Each distribution panel is capable of handling up to
16 lines for either EIA or 20mA terminals for a possible total of 48
asynchronous lines.

This VAX-111780 configuration includes four power supplies
which provide power for the CPU, UNIBUS Adapter, two MASSBUS adapters, optional WCS (KU780), and the first four million
bytes of ECC MOS memory.

Power Supplies

There is predesignated space in the CPU cabinet for the power
supplies included with the Floating Point Accelerator option and
the H7112-A(B) memory battery backup option.

To expand beyond the limits of the UNIBUS Expansion Cabinet, a
UNIBUS Options Cabinet, H9602-0F(OH), can be ordered (see
back cover). This cabinet, which includes an 861-C(B) power control, provides space for two additional BA 11-K boxes and three
more OZ11 distribution panels.

The optional VAX-11 /780 CPU Expansion Cabinet, H9602HA(HB), also includes space for two power supplies to accommodate additional memory and 1/0 adapters, and for the power supply included with the optional memory battery backup.

The illustration above shows where the OZ11-A and the 0011-0K
mount in the system's BA 11-K, leaving a total of 6 Hex slots and 2
Quad slots of additional mounting space.

In the RM03/TE16 or RM03/TU77 system configuration, there is a
total of 46.5 amps of power available @+5Vor 18 bus loads for
UNIBUS options expansion. (See Table I below.)

SYSTEM
CODE

MEMORY

MASS
STORAGE

EXPANSION
SPACE

SV-AXTVB-CA
SV-AXTVB-CO

512KB
ECCMOS

RM03
TE16

BA11-K:
SU 1-2:
6Hexslots
2Quadslots

SV-AXTBA-CA
SV-AXTBA-CD

512KB
ECCMOS

RM03
TU77

SU3-5:

POWER
AVAILABLE
Amps@+SV

18
21.5

3SUs

25.0

CPU:
FP760-AA(AB)
KU760
3,584K bytes memory
H7112-A(B)

N/A

Table I

BUS
LOADS
AVAILABLE

N/A

VACTI
780
Environmental Considerations

SPACE FOR DIST.#5
(REAR MOUNTED)

VAX-111780 systems, as well as other DIGIT AL products, are designed to perform while exposed to a variety of environmental
conditions. DIGITAL recommends the following environmental
operating specifications for the computer facility for maximum
reliability:
•
•
•
•

Temperature: 18°C to 24°C (65° to 75°F)
Temperature rate of change: 2°C/hr.(3.6°F/hr.).
Relative humidity: 40% to 60% (non-condensing).
Humidity rate of change: 2%/hr.

All VAX-111780 system environments should be fully evaluated by a
Field Service representative to ensure proper performance.

PANEL SPACE'FOR
BA11·K#4

Ut----L---'---...._--;~

~ t--S-P-A-CE--r--SP_A_C_E.....,,.,,.,,.,.,.,.,.,.,

~g~ER

~~ER

SUPPLY

For further information on environmental considerations and site
preparation, please refer to the VAX-111780 and CORPORA TE SITE
PREPARATION GUIDES.

PANEL SPACE FOR
BA11-K#3

COOLING

MEMORY BATTERY BACKUP OPTION

Add-On UNIBUS Options Cabinet
H9602-DF(DH)
For UNIBUS expansion beyond the limits of the system's UNIBUS Expansion Cabinet, the UNIBUS Options Cabinet, H9602-DF(DH), may be
ordered. This single-width, high-boy cabinet, which includes an 861C(B) power control, can accept two additional extension mounting boxes
(shown in the diagram to the far right as BA 11-K #3 & BA 11-K #4), and
three more distribution panels.
Please note that backpanel mounting units must be ordered separately
for use in this add-on UNIBUS Options Cabinet.

VAX-111780 CPU Expansion Cabinet
H9602-HA(HB)
A single-width, high-boy cabinet, referred to as the H9602-HA(HB) CPU
Expansion Cabinet. This cabinet includes four Option Panel Spaces
which may be used to mount additional memory, port interfaces for the
Multiport Memory option, 110 adapters and the DR780 interface option.
These subsystems can be configured as required up to the maximum
number of each device supported by the VAX/VMS operating system
and within the available mounting space in each system. Refer to the
VAX-111780 Systems and Options Summary for more detailed informaton on the mounting requirements of the various subsystems.

POWER CONTROL

VAX· 11 /780 CPU EXPANSION
CABINET H9602-HA(HB)

ADD-ON UNIBUS
OPTIONS CABINET
H9602·DF(DH)

UNIBUS

3
4
5

0
0

6
7

1 SU

The H9602-HA(HB) is always positioned adjacent to the main CPU cabinet.

Extension Mounting Box Diagram
BA11-KE(KF)

1 SU

When an additional BA 11-K is mounted in a UNIBUS cabinet, use this
diagram to configure the option modules.
However, please note that the BA 11-K does not include DD11-CK or
DD11-DK back panel mounting units. Therefore, DD11 s must be added
to your CONFIGURING WORKSHEET as separate line items to convert
system unit space to module slots.
For your reference, a DD11-DK has been included in this diagram.

1 SU

BA11-KE (KF) EXTENSION MOUNTING BOX

•For information only- not Included in the BA 11-KE(KF).

VACTI
780
Environmental Considerations

SPACE FOR DIST.#5
(REAR MOUNTED)

Temperature: 18°C to 24°C (65° to 75°F)
Temperature rate of change: 2°C/hr.(3.6°F/hr.).
Relative humidity: 40% to 60% (non-condensing).
Humidity rate of change: 2%/hr.

All VAX-111780 system environments should be fully evaluated by a
Field Service representative to ensure proper performance.

PANEL SPACE'FOR
BA11·K#4

Ut----L---'---...._--;~

~ t--S-P-A-CE--r--SP_A_C_E.....,,.,,.,,.,.,.,.,.,.,

~g~ER

~~ER

SUPPLY

For further information on environmental considerations and site
preparation, please refer to the VAX-111780 and CORPORA TE SITE
PREPARATION GUIDES.

PANEL SPACE FOR
BA11-K#3

COOLING

MEMORY BATTERY BACKUP OPTION

POWER CONTROL

VAX· 11 /780 CPU EXPANSION
CABINET H9602-HA(HB)

ADD-ON UNIBUS
OPTIONS CABINET
H9602·DF(DH)

UNIBUS

3
4
5

0
0

6
7

1 SU

The H9602-HA(HB) is always positioned adjacent to the main CPU cabinet.

Extension Mounting Box Diagram
BA11-KE(KF)

1 SU

BA11-KE (KF) EXTENSION MOUNTING BOX

•For information only- not Included in the BA 11-KE(KF).