The system comes in a BA11-K 10.5" mounting box containing two 9-slot (one specially wired for 11/34 CPU) and one 4-slot (specially wired for RK11) Unibus backplanes.
| Slot | Fingers | Module | Name | Description |
|---|---|---|---|---|
| 1 | A-F | M8266 | KD11-EA | 11/34A control module (Replaces M7266) |
| 2 | A-F | M8265 | KD11-EA | 11/34A data paths module (Replaces M7265) |
| 3 | A-F | M8267 | FP11-A | 11/34A floating point processor |
| 4 | A-B | M9312 | Bootstrap terminator with 5 empty ROM sockets; one for CPU diagnostics, 4 for peripheral boots | |
| 4 | C-F | M7859 | KY11-LB | Console interface; programmer's console (11/34a) |
| 5 | A-F | 124 KWord 3rd party RAM | ||
| 6 | A-B | M7850 | MM11-BP/CP | Parity board for G651, MS11-EP/FP/HP/JP |
| 6 | C-F | M7856-YA | DL11-W | RS-232 SLU & realtime clock option with 110 to 19.2-Kbaud option |
| 7 | C-F | M7258 | LA11 | LA180 Printer controller |
| 8 | A-F | M7982 | TS11 | Serial tape control module |
| 9 | A-B | M9202 | UNIBUS connector, inverted (M9192+M9292 assembled 1" apart with 2' cable) | |
| 9 | D | G727A | Grant continuity card | |
| 10 | ||||
| 11 | A-B | M9202 | UNIBUS connector, inverted (M9192+M9292 assembled 1" apart with 2' cable) | |
| 12 | C-F | M7254 | RK11-D | RK05 status control module |
| 13 | A-B | cable to RK05 | ||
| 13 | C-F | M7255 | RK11-D | RK05 disk control module |
| 14 | C-F | M7256 | RK11-D | RK05 registers module (data path) |
| 15 | A-F | M9202 | UNIBUS connector, inverted (M9192+M9292 assembled 1" apart with 2' cable) | |
| 15 | C-F | M7257 | RK11-D | RK05 bus control module |
| 16 | ||||
| 17 | A-F | M9202 | UNIBUS connector, inverted (M9192+M9292 assembled 1" apart with 2' cable) | |
| 17 | D | G727A | Grant continuity card | |
| 18 | D | G727A | Grant continuity card | |
| 19 | D | G727A | Grant continuity card | |
| 20 | D | G727A | Grant continuity card | |
| 21 | A-F | M7762 | RL11 | RL01/02 disk controller |
| 22 | C-F | M8256 | RX211 | RX02 floppy disk controller |
| 23 | A-F | CM7819 | CDZ-11 | CIT DZ11 clone? 8 line async multiplexer |
| 24 | D | G727A | Grant continuity card | |
| 25 | D | G727A | Grant continuity card | |
| 26 | A-B | M9302 | 11/04 UNIBUS terminator, far end | |
| 26 | D | G727A | Grant continuity card |