OMNIBUS Modules

The following is a list of known PDP-8 OMNIBUS modules found on the PDP-8/E, PDP-8/M, PDP-8/F and PDP-8/A:

Module Option Modules Description
—- KC8-AA A Programmers console for PDP-8/A
A231 AD8-E E/A Analog to Digital Converter
A232 AD8-E E/A
A841 AD8-E E/A
G104 MM8-E E/A Core sense/inhibit 4K (part of H220)
G105 MP8-E E/A Core sense/inhibit parity (use with G104 + G227)
G111 MM8-EJ E/A Core sense/inhibit 8K (part of H212)
G227 MM8-E E/A Core x-y drivers 4K (part of H220)
G233 MM8-EJ E/A Core x-y drivers 8K (part of H212)
G619 MM8-E E/A Core stack 4K (part of H220)
G649 MM8-AA A Core x-y driver & sense/inhibit (use with 8K stack)
G650 MM8-AB A Core x-y driver & sense/inhibit (use with 16K stack)
G8016 8A A Regulator module for MOS memory only
G8018 8A A Regulator module for MOS and core memory
G8019 8A A Regulator module battery back-up.
H019 — mounting bar with wiring harness for 10 connectors
H212 MM8-EJ E/A Core memory 8K stack (G111 + G233 + G???)
H219-A MM8-AA A 8K core (hex board)
H219-B MM8-AB A 16K core (hex board)
H220 MM8-E E/A Core memory 4K stack (G104 + G227 + G619)
H241 —- E/A (braid board)
H724 —- E Power supply pdp-8/e (117 volt w/- 117 volt sockets)
H724A —- E Power supply pdp-8/e (230 volt w/- 230 volt sockets)
H763 8A A Power supply assembly
H803 —- Connector block dual wide 5 slot 36 pin
H851 —- Edge connector block single wide 2 slot
H919 —- E Omnibus backplane quad wide 20 slot
H9190 —- Backplane quad wide 20 slot wire-wrap
H9192 —- A Omnibus backplane 10 slot fifth foot
H9194 —- A Omnibus backplane 12 slot fifth foot
H9195 —- A Omnibus backplane 20 slot fifth foot
H9300 —- A Chassis 12 slot
H960-BC —- Cabinet standard basic
H961-A —- Cabinet standard option
H967-AA —- Cabinet short option
H967-BA —- Cabinet short basic
M518 DK8-EP E/A Real-Time Clock (Programmable)
M7104 RK8-E E/A RK05 disk controller (data buffer register and status)
M7105 RK8-E E/A RK05 disk controller (major registers)
M7106 RK8-E E/A RK05 disk controller (control module)
M783 —- E/A Omnibus bus drivers 12 two-input NAND gates O/C
M784 —- E/A Omnibus bus receivers 16 inverting
M785 —- E/A Omnibus bus transceiver octal
M8300 KK8-E E/A CPU major registers (8/E)
M8310 KK8-E E/A CPU major registers control (8/E)
M8311 MS8-AA E/A Read/write RAM (1K)
M8311 MS8-AB A Read/write RAM (2K)
M8311 MS8-AD A Read/write RAM (4K)
M8312 MR8-AA A Read-only (1K) fusible-link PROM
M8312 MR8-AB A Read-only (2K) fusible-link PROM
M8312 MR8-AD A Read-only (4K) fusible-link PROM
M8312 MR8-FB A Read-only (1K) UV-eraseable PROM
M8315 KK8-A A CPU (8/A)
M8316 DKC8-AA A Option1: front panel serial I/O parallel I/O clock
M8317 KM8-AA A Option2: Mem Extention time share boot power fail
M8319 KL8A A PDP-8/A 4 channel serial I/O
M8320 KK8-E E/A Omnibus loads (terminator)
M8321 TM8-E E/A DECmagtape control (output control)
M8322 TM8-E E/A DECmagtape control (control and data break)
M8323 TM8-E E/A DECmagtape control (transport status and control)
M8326 DB8-E E/A interprocessor buffer
M8327 TM8-E E/A DECmagtape control (registers)
M8329 LC8-E E/A DECwriter control
M8330 KK8-E E/A CPU timing generator (8/E)
M8331 TA8-E E/A Cassette system interface
M8335 VT8-E E/A Video display terminal (printer/keyboard control)
M8336 VT8-E E/A Video display terminal (line buffer)
M8337 VT8-E E/A Video display terminal (frequency divider board)
M8340 KE8-E E/A Extended arithmetic element decoder and step counter
M8341 KE8-E E/A Extended arithmetic element multiplexers and timing
M8342 LS8-E E/A Line printer control
M8349 MR8-F 1K PROM
M8350 KA8-E E/A Positive I/O bus interface
M8357 RX8-E E/A RX8E Omnibus interface (RX01 RX02)
M8360 KD8-E E/A Data break interface
M8365 LC8P E/A LA180 printer control
M8366 LQP8E E/A LQP01 printer control
M837 KM8-E E/A Memory extension and time-share (also known as MC8-E?)
M839 DP8-E E/A Synchronous modem control (DP8-EA DP8-EB)
M840 PC8-E E/A High-speed paper tape reader/punch control
M841 LE8-E E/A Line printer control
M8410 FPP8-A A Floating point processor (control)
M8411 FPP8-A A Floating point processor (data path)
M8416 KT8AA A 128K Memory Management
M8417 MS8-C A MOS memory (32K)
M842 XY8-E E/A Plotter control
M843 CM8-E E/A Card reader control
CR8-E
M8433 RL8A A Disk controller for RL01/02
M847 MI8-E E/A Bootstrap loader
M848 KP8-E E/A Power fail and auto-restart
M849 KK8-E E/A Memory shield
M860 DK8-EP E/A Real-Time Clock (Programmable)
M863 DR8-E E/A Parallel I/O 12 channel
M865 —- E/A Teletype control
M8650 KL8-E E/A Teletype control
M8650YA KL8-EX E/A Asynchronous interface (EIA levels)
M8650YC KL8-F E/A Asynchronous interface (double buffered)
M8653 KL8-M E/A Modem control
M8655 KL8-JA E/A Terminal control
M866 DP8-E E/A Synchronous modem control
M868 td8-E E/A DECtape control simple
M869 VC8-E E/A Point plot oscilloscope display control
M880 MR8-E E/A 256 word ROM
M882 DK8-EA E/A Real time clock (Line)
M883 DK8-EC E/A Real time clock (Crystal)
M884 KG8-E E/A Parity check generator/detector
M885 VC8-E E/A Point plot oscilloscope display control
M890 ???
M930 RK05 E/A Bus terminator card
M935 —- E Omnibus connector (2 req’d to expand omnibus)
W966 —- E/A Omnibus proto board
W967 —- E/A Omnibus proto board

(Source: Steve Quigg)

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Posted under Uncategorized by Toby Russell on 12.30.2010

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