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AE-3407N-TC

December 1979

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Document:	RSX-11M Software Product Description Version 3.2
Order Number:	AE-3407N-TC
Revision:	0
Pages:	6
Original Filename:	http://bitsavers.org/pdf/dec/pdp11/rsx11m_s/RSX11M_V3.2_Jun79/1_Introduction/AE-3407N-TC_RSX-11M_V3.2_SPD_197912.pdf

OCR Text

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SOftWare Product Description
i

PROouc1· NAME: BSX-11 M, Version 3.2, Real Time Operating System
DESCRIPTION:
RSX-11 M is a disk-t,ased real-time operating system
that runs on any UNIBUS PDP-11 processor. the PDP11 /23. and the POP-11 /70. It provides an environment for the development and execution of multiple
·real-time tasks (program images) using a priority
structured event-driven scheduling mechanism. System generation allows the user to configure the software for systems ranging in size from small 32K byte
systems to !arge 3840K byte systems.
Program development.and real-time tasks can execute
concurrently in systems with at least 48K bytes of
memory. The system's software priority levels enable
the user to compile/;~ssemble. debug, and install tasks
without affecting real-time task response.
A multi-usi~r program development facility is available
for system:> with a recommended 64K bytes or more of
memory. Passwords and LOGIN/LOGOUT. device
access orcitection. a round robin scheduler (running
under the real-time executive). and concurrent execution of equal priority tasks via executive level swapping
are prov1deid.

Tasks can be written in MACR0-11 assembly language. aM optionally FOP.TRAN IV. FORTRAN-IV?LUS. PDP-11 COBOL. CORAL 66. BASIC-11. and
SASIC-PLUS-2. Sharable libraries and system support
for user-created libraries are provided. The EDI text
editor. the EDT DEC editor. utilities. symbol crossreference. and task memory dump facility are provided
:o assist task development and check out.
Ti1e RSX-11 M file system provides automatic space
allocation and file structures for all block-structured
devices. Fe·atures include:

• Sequential. random. and relative (RMS-11) file organizations
• File orotect1on
• De•11ce independence and :og1cal cevice assignment
During system generation. the user can select a min4K tlyte vers1or. of the resident fl le system to
conser·1e space. On systems with other ~han the minimum .iK byte version of the file system. mu1tiheader
~iia supoort :s provided. It enables file size to be limited
oniy by the capacity of the volume on wriic!11t resides.
: :11 um

December 1979

SPO 14.35.13

In addition to the resident file system. the use of the
File Control Services (FCS) will increase the user task
size by approximately 2K to SK bytes. depending on
the number of open files and the services desired. The
Record Management System (RMS) requires at least
SK bytes per task.
Indirect command file support provides extremely
powerful batch-like facilities. A terminai user can
create a file containing system commands. The system
can then be instructed to execute the commands in the
file without operator intervention. The indirect file processor can be executing command files concurrent
with real-ti me task execution.
Most PDP-11 Processors have Memory Management
available that provide logical to physical memory mapping. If the configuration does not include hardware
memory management. the system can ·support
between 32K arid 56K bytes of memory. If the configuration includes hardware memory management.
RSX-11 M can support between 48K and 248K bytes of
memory on processors other than the PDP-11/44 or
11 /70. or between 148K bytes and 3840K bvtes on the
PDP-11/44 or 11/70. RSX-11M provides the same
primary services in mapped and unmapped systems:
however. some supplied optional features and separately licensed options require haraware configurations
larger than the minimum supported systems.
Memory is logically divided into partitions in which
tasks are loaded and executed. Activity in a partition
can either be user-controlled or system-controlled: the
user determines the placement of tasks in the former.
and the system controls the placement of tasks in the
latter. Automatic memory compaction minimizes fragmentation of a system-controlled partition. Unmapped systems support only user-contro:led partitions. Mapped
systems support both user-controlled and systemcontrolled partitions.
Real-time interrupt response is proviaed by ~he sy3tem·s task scheauling mechanism Nh1ch recogni:es
250 software priority leveis. The user-soec1fiea t3SK
priority determines the task·s elig1b1lity ~o execute. ,.;
task can be fixed in a partinon to ensure !mmP,a1are
execution when 1t is activated. or i! _:3n res1ae on ::!1sr<
wh1ie 1t is dormant to mske memory 3va.1iaD:e :o otner
tasks. Task checKpointing =nao!es ~as1<s t0 ::e ..::::1sp1aced from a partition ~o enaole a ti1gner prior1t'1
non-resident task ~o execute

AE-3407N-TC

RSX-11 M, Version 3.2

·2Software supported reliability features include:

MINIMUM HARDWARE REQUIRED:

• Processor (PDP-11/44. 11/45. 11/50. 11/55, 11/60.
11170), disk and m_agnetic tape error logging
• Power failure restart
• User-mode diagnostics, (terminals. line printers.
TS03. TU10, TU16, TU45, RK05, RK06, RK07. RP04/
05/06, RPA02. RP03. and RS03/04)
Other optional RSX-11 M features include:
• Logical device assignments
• ANS format magnetic tape support
• Dynamic UMR allocation for PDP-11/44 and 11170
• Line printer spooling
• Loadable device drivers
• Post-mortem and snapshot dump facility
• Crash dump analyzer facility
• Host for RSX-11 S systems
• Optional full duplex terminal handler which supports OMA output (with DH11 interface) and DL 11E with modem control.
• RMS sequential and relative file access (not available on unmapped systems), including "bucket"
locking
• Direct connect of user task to hardware interrupts
• PLOT55 subroutines for using the graphics features
of the VT55 terminal

To define a minimum system. use Figure 1. the RSX11 M configurator. Any system defined by connecting
the boxes with one of the six vertical lines forms a
required minimum system.
The basic 32K byte RSX-11 M system provides approximately 16K bytes of memory for user tasks and 16K
bytes of memory for system space. Additional executive services and device drivers can be selectively
incorporated into the system at increased memory
space usage. The following is contained in the basic
system memory space.
• Executive
• File System Primitives (2K version)
• Operator Interface task (MCA)
• Task Loader
• Space for three device drivers:
One system disk driver
One DL 11 driver supporting a single line
One other driver (excluding ICS11/ICR11)
A minimum of 48K bytes is required for mapped systems or where it is desired to perform concurrent program development and application execution.

Figure 1

Processor- any UNIBUS PDP-11, PDP-11/23. or PDP-11170 with Bootstrap

Console Terminal - LA30, LA36. VTOS, VTSO, VT50H. VT52, VT55. LT33. L T35. VT100, or LA120

Clock -

Memory -

KW11-L. KW11-P, or DL 11-W

32K bytes

RK11 contrcller
and RK05J atSK
drive
'.RK05 distribution)

secono
RKOS
c:rive
\F or Jl

Memory -

48K bytes

RLV11 disk
system {ineludes
one RL01 tRL02
drive)

second
RL01
or RL02
c:rive

RK11 controller
and 01si< drive
(for magnetic
taoe C.Jistribution or duaj
RK05 distributionl

secona

FKOS
dnve
1F or J)

RL11 jisk
system
(includes one
RL01 ·Jr RL02
drive)

RK611 d:sk
system linciudes
one RK06 drive)
or RKi11 disk
system 'includes
one 8K07

RPR11 RP11.
RJP04105t06
(RW for 11 iO).
RJM02 ~r RWM03
controller :ind
d1si<. system

dri'lel

isec~nd

lo'

tape
.':iystem
from
Table '
except

T~03

RL01

ALD2
cnve

3econd
RK06
or
=!K07
drive

tace
sy'3tem

'•om
7aole T
exceot
..,..S03

SPO 14.35.13

RSX-11M, Version 3.2

-3NOTE: !Dual RK05 systems using RKOS disk cartridges
as the distribution media must have at least one removable uni1t and a second unit (either removable or fixed)
within unit numbers O through 3 on the same
controller.
Althou9h magnetic tape drives are supported in a 32K
byte syistem. the recommended minimum memory for
tape support is 48K bytes. If magnetic: tape is the distribution media, 48K bytes is a requirement.

All UNIBUS
PDP-11 processors

TAPI!
Controller
TM11
TMA11
TMB11

PDP-11/70

TME11
TJU16
TJE16
TJU45
TM03
TS11
TWE16
TWU45
TWU77
TS11

• KMC11-A Auxilary processor as a line printer OMA
interface
Magnetic tape devices:
• TA 11 dual drive cassette tape system
• TU58 DECtape II Cartridge with DL-11 or DLV-11
controller
• TC11 DECtape controller and dual transport

TableT
Tape System
PROCE:SSOR

• LA35, LA180. LS11, LP11, or LV11 line printer (no
plotter support)

• Tape systems from Table T

Transport
TU10
TU10
TS03*
TS03*
TU10W
TE10
TU16
TE16
TU45
TU77
TS11
TE16
TU45
TU77
TS11

Disk devices:
• RX11, RX211 and RXV21 floppy disk systems
• RF11 fixed-head disk system
• RK11 disk cartridge cohtroller with RKOSJ or RKOSF
disk drives
• RLV11 or RL 11 disk cartridge controller with RL01
or RL02 drives
• *RK611 disk cartridge controller with RK06 or RK07
disk drives
• *RK711 disk cartridge controller with RK06 or RK07
drives
·
• RPR02 disk pack drives (with appropriate
controller)
• RP03 disk pack drives (with appropriate controller)

OPTIOINAL HARDWARE:
NOTE: In some cases not all hardware features of the
following options are supported.Hardware restriction
may limit the number of devices which a given system
can support.
• Additional memory to a system total of 56K bytes on
systt!ms that do not include the hardware memory
management unit, 248K bytes on other than PDP11I44 or 11 /70 systems which include the hardware
merr1ory management unit or 3840K bytes on PDP11/44 or 11/70 systems.

• *RP04, RPOS, or RP06 disk pack drives (with
appropriate controller)
• RS03 or RS04 fixed-head disks (with appropriate
controller)
• *RM02 or RM03 disk pack drives (with appropriate
controller)
*NOTE: With this software product serious data corruption and/or performance degradation rnay occur if.
in disk drive with dual port options, the port select
switch is placed in the programmable position.

• KE11-E Extended Instruction Set

Terminals:
• LA30, LA36. LA 120, LA 1SOS, L T33, L T35. VTOS,
VTSO, VT52, VT100 terminals and VT55 graphics
display terminals. (MCA provides no escape sequence support on VTSO, VT52, VT55.) These terminals are supported when connected to DH11
(with or without DM11-BB), DZ11. DJ11, DL 1 i-A. 8,
C. D. E, or W, DLV11, DLV11-J or DZV11.

• KE11-F Floating Instruction Set

• RT02 Alphanumeric Display

• FP1 ·1 Floating Point Processor

• RT02-C Alphanumeric Display and Badge Reader

• KW11-Y Watch-dog Timer Clock

Communications:

l/O Peripherals:
• PA1 ·1 paper tape reader or PC11 paper tape reader/

• DL 11-E and DLV11-E single line interfaces
• DP11 synchronous line interface
• DU11 synchronous line interface
• DUP·11 synchronous line interface
• OQ11 OMA synchronous line interface
• DA11-B OMA UNIBUS link
• DMC11 interprocessor link

• KT1 ·1 Memory Management Unit (requires a minimum of 48K t>ytes of memory)
• KE11-A, 8 Extended Arithmetic Element (supported
only on systems which do not include a memory
management unit)

punc:h
• CA11 or CM1 ·1 card reader
• VT1 ·1 /VS60 Graphics Display processor and scope
exceipt on PDP-11/70 when 22-bit addressing is
enat1led. VT11 data buffers must reside in first 56K
bytes of physical memory.

"Note: TS03 software distribution for RKOS systems only.

SPD 14.35.13

RSX-11 M, Version 3.2

-4Laboratory/Industrial Control:

SUPPORT CATEGORY:

• AD01-D AID converter
• AFC11 A/0 converter
• DRS/DSS11 industrial control system modules
• UDC11 Universal Digital Controller
• ICS11/ICR11 Industrial Control subsystem

RSX-11 Mis a DIGITAL Supported Software Product.

Data Acquisition:

One or more of the following subsystems:
• LPS 11 Laboratory Peripheral Systems
• AR11 Analog Real-time Systems. Options: DR11-K
16·bit digital 110 option, one per subsystem (bit
interrupt capability not supported)
• LPA 11-K Laboratory Peripheral Accelerator
• Laboratory 110 Subsystem configured using the following options:
1. ADK11-KT 12-bit AID converter with 16-channel
multiplexer and dual clock; one per subsystem
2. AD11-K 12-bit AID converter with 16-channel
multiplexer: 16 per subsystem (15 if ADK11-KTis
part of same subsystem)
3. KW11-K Dual real·time clock with Schmitt
triggers: one per subsystem (clock already
included in AOK11-KT, no KW11-K required if
one is present)
4. AM11-K 48-channel AID multiplexer with gain
ranging; one per A011·K or ADK11-KT
5. DA 11 ·K 16-bit digital 1/0 option; 16 per
subsystem
6. AA 11-K 4-channel 12-bit 0/A converter with
scope control, 16 per subsystem
7. AAV11-A. ADV11-A, KWV11-A, and DRV11 realtime options

PREREQUISITE SOFTWARE:
None

OPTIONAL SOFTWARE:
BASIC-11/IAS·ASX
BASIC-PLUS-2
CORAL 66
DATATRIEVE·11
DECnet-11M
DBMS-11
FORTRAN IV/IAS-ASX
FORTRAN IV·PLUS
PDP·11 COBOL
RMS-11K
RPG II
SORT-11

TRAINING CREDITS:
THREE (3) - Applies only to options that include sup·
port services. Consult the latest Educational Services
Catalog at your local office for the available courses.
course requirements, and guidelines.

SOFTWARE INSTALLATION:
DIGITAL installation is required for Software Product
Support. There is no charge for installation if performed at the time of system installation. DIGITAL
installed software products, except for operating sys·
terns, are subject to an add-on installation fee when
purchased subsequent to system installation.

SOFTWARE PRODUCT SUPPORT:
RSX-11 M includes Standard Services as defined in the
Software Support Categories Addendum of this SPD.

ORDERING INFORMATION:
Options with no support services are only available
after the purchase of one supported license.
A single-use license only option is a license to copy the
software previously obtained under license.
Source and/or listing options are only available after
the purchase of at least one supported Iicense and after
a source license agreement is is effect.
· The following key (D, E. H, M, Q, R, T, V, Z) represents
the distribution media for the product and must be
specified at the end of the order number, e.g., QJ728·
AO = binaries (for dual RK05 based systems) on 9track 800 BPI Magtape (NRZJ).
Note: For AP and RM disk kits, the distribution medium
if not the system residency device.

0 = 9-track 800 BPI Magtape (NAZI)
E = RKOS Disk Cartridge
H = RL02 Disk Cartridge
M = 9-track 1600 BPI Magtape (PE)
Q = RL01 Disk Cartridge
R = Microfiche
T = RK06 Disk Cartridge
V = RK07 Disk Cartridge
Z = No hardware dependency
See Table O.
Upgrade Options
See Table 0.
Update Options
See Table O.
NOTE: The combination of Executive and Utilities
sources do not necessarily comprise all the sources
used by DIGITAL to build the binary kits.
Source/ Listing Options
QJ628 -F- Executive and 1/0 device driver listings
(media: R)
QJ638 -E- Utilities sources (media: D. E. M)
QJ638 -F- Utilities listings (media: R)

SPD 14.35.13

RSX-11 NI, Version 3.2

-5Source/Listing Update Options

ADDITIONAL SERVICES:

The following options are available to licensed users as
updates to source/listing options. The update is distributed in source form on the appropriate medium and
includes 110 installation or other services unless specifically stated.

The following additional services are available:

QJ638

-N- Utilities Sources (media: D, E, M)

QJ628

-N- Executive and 1/0 device driver listing
(media: A)

• Binary Program Update Service
• Basic Service for Software
• DECsupport
The following options are available to customers who
have purchased one of the above services and to inwarranty customers only:
QJ628

Miscellaneous Options

QJ628

-1- Additional Dispatch Subscription
(media: Z)

-G- Documentation only kit (media: Z)

TABLE 0
SYSTEM DISK TYPE

OPTIONS AND ADDITIONAL SERVICl!S

RM02 or
Single-use
RM03 Basea License Only
Systems
(No media o~
documentation)

All options (except tor licenseonly kits 0~1628-0Z. QJ628-HZ
and QJ740-l::>A) include binaries
on inaicated media and
documentatio:i.

RL011RI02
Dual RK05
Based Sys- Baaed
tems with at Systems
least 24K of
memory

RP04/0S/06
RK06 Based RK07 Based RPR02 and
RP03 Based Based SysSystems
Systems
Systems
tems

OpUon• including suppc:>rt
services and single-use
license.

QJ72S.AO
QJ728·AE

QJ738-AO
QJ73S.AH
QJ73S.AO

QJ629-AO
QJ629-AT

OJ739-AO
OJ739-AV

QJ636-AO

QJ637-AO
QJS37-AM

QJ737-AO
QJ737-AM

Optton• including single-use
license (availaDle only atter the
purchase of at least one
supported license), no support
services.

QJ72S.CO
QJ72S.CE

QJ738-CO
QJ738-CH
QJ738-CQ

QJS29-CO
QJS29-CT

QJ739-CD
QJ739-CV

QJS36-CD

QJ637-CO
QJ637-CM

QJ737-CD
QJ737-CM

Upgr.de Oplllone available as
an upgrade l<it from RT-11,
RSX-110. or IAS for USO on
the same single CPU on which
the former system is licensed.
The previous license shall be
extended to cover this
upgrade. (includes
support services).

QJ741-AO
QJ741-AE

QJ745-AD
QJ745-AH
QJ745-AQ

QJ742-AO
QJ742-AT

QJ743-AO
QJ743-AV

QJ744-AO

Upgrade Opt,lon• available as
an upgraoe ~:it from RT-11,
RSX-11 D. or IAS tor use on
the same sin1gle CPU on which
the former system is licensed.
The previous license shall be
extended to cover this
upgraae. (doos not
;nclude support services).

QJ741-CD
QJ741-CE

QJ745-CO
QJ745-CH
QJ745-CQ

QJ742-CD
QJ742·CT

QJ743-CO
QJ743-CV

QJ744-CO

Update Options - Users of vers1ons of RSX··11 M wnose
warranty or Standard Program
Update Service has expirea
rnay order under !icense these
uoaates. No insta1lation or
·:::ither services are provided.

QJ728-HO
QJ728-HE

QJ738-HO
QJ738-HH
QJ738-HC

QJ629-HO
QJ629-HT

QJ739-HO
QJ739-HV

QJ636-HO

OJ637-HD
OJ637-HM

QJi37-HO
QJ737-HM

Update Optlo1H - Users of Vers1on 3 of RS)(-11 M whose
Specified Support Category
warranty or Standard Program
Upoate Service nas not expired
rnay order •micier license these
u poates. No 111stallation or
other services are
provided.

QJ728-WO
QJ728-WE

QJ738-WO
QJ738-WH
QJ738-WQ

QJ629-WO
QJ629-Wi

t0Ji39-WD
QJ739-WV

QJ636-WO

OJ637-WD
OJ637-WM

QJ737-WD
QJ737-WM

OJ628-0Z

QJ740-0Z

QJ628-HZ

•