Document Number: 107315-025, Volume 1
Publication Date: January 1996
| System Boards | Assembly | Spare Part |
| 80286 System Board | 000148 | Not Available
|
| Jumper | Pins | Function |
| ED | 1 to 2 | 1/3party monochrome (MDA only) |
| ED | 2 to 3 | Compaq VDU, Compaq ECG, compatible EGA or RGBI (default) |
| ES | 1 to 2 | CPU boot speed 8 MHz (default) |
| ES | 2 to 3 | CPU boot speed 6 MHz |
| EM | -- | Reserved |
| E1 - E3 (MS) | 1 to 2 | 128 KB, 256 KB, or 512 KB * |
| E1 - E3 (MS) | 2 to 3 | 640 KB
|
|
* Needs PAL (105045-001) in socket U2 for 512 KB.
|
| Memory Boards | Assembly | Spare Part |
| 512/2048 KB Memory Expansion Board * | 000307
000308 | Not Available
|
|
* See Volume 2 Appendix, Multiproduct Boards, for settings.
|
| Memory Chips | Assembly | Spare Part |
| 64K x 1 DRAM | -- | 105152-001 |
| 256K x 1 (150 ns) DRAM | -- | 105151-001
|
| Controller Boards | Assembly | Spare Part |
| Hard Drive Controller * | WD1002WAH | 102778-001 |
| Multipurpose Controller * | 000142
000181-001 000181-021 | Not Available
|
| * See Volume 2 Appendix, Multiproduct Boards, for settings.
|
| Video Boards | Assembly | Spare Part |
| Enhanced Color Graphics * (EGA/CECGB) ** | 000410 | Not Available |
| Enhanced Color Graphics * (EGA/CECGB) ** | 000471 | 109196-001 |
| Video Display Controller (VDU) ** | 000031
000160 000345 | 101340-001 |
| Video Display Controller (VDU) ** | 000525 | 101340-001
|
|
* Requires system ROM F or later.
** See Volume 2 Appendix, Multiproduct Boards, for settings. |
| Miscellaneous Boards | Assembly | Spare Part |
| Serial/Parallel Interface Board * | 000570
| 106886-001
|
|
* See Volume 2 Appendix, Multiproduct Boards, for settings.
|
| Size | Type | Interleave | Integrated | Minimum ROM | Spare Part | Controller Assembly |
| 20 MB | 2 | 2:1 | No | A | Not Available | WD1002WAH
000142 000181-001 000181-021 |
| 20 MB | 2 | 2:1 | Yes | C | Not Available | WD1003IWH
000142 000181-001 000181-021 |
| Tape Drives | Spare Part | Tape Cartridge | Spare Part |
| 10 MB | 102779-001 | 10 MB (DC 1000) | Not Available
|
| Diskette Drives | Spare Part |
| 360 KB | 102928-001 |
| 1.2 MB | 102775-001
|
| Cables | Used With | Spare Part |
| Video Display Controller
(VDU) Signal | Display | 100047-001
|
| U116
|
| Coprocessor | Location |
| 80287-3 or 80287-8 | U122
|
| System Board | ODD ROM Location | EVEN ROM Location |
| 000148 | U39 | U94
|
| Revision | Number on ODD ROM | Number on EVEN ROM |
| A | 102667-001 | 102669-001 |
| B | 102667-002 | 102669-002 |
| C | 102667-003 | 102669-003 |
| D | 105620-001 | 105622-001 |
| E | 106261-001 | 106263-001 |
| F | 106437-001 | 106438-001 |
| G | 106580-001 | 106581-001 |
| J | 106778-001 | 106779-001 |
| K | 106778-002 | 106779-002 |
| M | 106970-001 | 106971-001 |
| N.3 | 106970-002 | 106971-002 |
| P.1 | 109739-001 | 109740-001 |
| R.2 | 109739-002 | 109740-002 |
| S.1 | 109739-003 | 109740-003
|
| Power Supply/Battery | Spare Part |
| Battery | 102929-002
|
