Document Number: 107315-025, Volume 1
Publication Date: January 1996
| System Boards | Assembly | Spare Part |
| 8086 System Board | 000058
000315 000364 | Not Available
|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Function |
| OFF | Reserved (always off) | |||||||
| ON | No coprocessor (default) | |||||||
| OFF | Coprocessor installed | |||||||
| ON | ON | 640 KB memory (default) | ||||||
| OFF | ON | 512 KB memory | ||||||
| OFF | OFF | 256 KB memory | ||||||
| ON | OFF | 128 KB memory | ||||||
| ON | OFF | 80 x 25 Compaq VDU primary. Third party monochrome (MDA only) secondary (default) | ||||||
| OFF | ON | 40 x 25 Compaq VDU * primary. Third party monochrome (MDA only) secondary | ||||||
| ON | ON | 80 x 25 Compaq EGA, compatible EGA, VGA or RGBI primary. Third party monochrome (MDA only) secondary | ||||||
| OFF | OFF | Third party monochrome (MDA only) primary. RGBI secondary | ||||||
| ON | ON | One diskette drive (default) | ||||||
| OFF | ON | Two diskette drives | ||||||
| ON | OFF | Three diskette drives | ||||||
| OFF | OFF | Four diskette drives
|
|
* With a Revision F or later system ROM. |
| Memory Chips | Spare Part |
| 64K x 1 (150 ns) DRAM | 105152-001 |
| 64K x 4 (150 ns) DRAM | Not Available |
| 256K x 1 (150 ns) DRAM | 105151-001
|
| Controller Boards | Assembly | Spare Part |
| Hard Drive Controller Board | WD1002SWX2
WD1002HX4 WD1002WX2 | Not Available |
| Diskette/Printer Board | 000043 | Not Available |
| Diskette/Printer Board * | 000181-011 | Not Available
|
|
* See Volume 2 Appendix, Multiproduct Boards, for settings. |
| Drive | SW1 for Drive D | SW1 for Drive C | ||
| 1 | 2 | 3 | 4 | |
| 10 MB | OFF | OFF | OFF | OFF |
| 20 MB | ON | OFF | ON | OFF |
| 30 MB | ON | ON | ON | ON
|
| Drive | SW1 for Drive D | SW1 for Drive C | ||
| 1 | 2 | 3 | 4 | |
| 10 MB | ON | ON | ON | ON |
| 20 MB | OFF | ON | OFF | ON |
| 30 MB | OFF | OFF | OFF | OFF
|
|
* Do not remove jumpers E17 - E18.
** Earlier versions of this board have no switch settings and are fixed for 10 MB. |
| Video Boards | Assembly | Spare Part |
| Enhanced Color Graphics Board (EGA/CECGB) * ** | 000410 | Not Available |
| Enhanced Color Graphics Board (EGA/CECGB) * ** | 000471 | 109196-001 |
| Video Display Controller Board
(VDU) ** | 000031, 000160, 000345, 000525 | 101340-001 |
| Video Graphics Controller Board (VGC/VGA) * ** | 000806, 001241, 109360 | 109253-001
|
|
* ECG and VGC require system ROM H or later.
** See Volume 2 Appendix, Multiproduct Boards, for settings. |
| Size | Type | Interleave | Integrated | Minimum ROM | Spare Part | Controller Assembly |
| 10 MB | 1 * | 4:1 | No | E | Not Available | WD1002SWX2 WD1002WX2 WD1002HX4 |
| 20 MB | 2 * | 4:1 | No | E | Not Available | WD1002SWX2 WD1002WX2 WD1002HX4 |
| 30 MB | 6 * | 3:1 | No | F | Not Available | WD1002SWX2 WD1002WX2 WD1002HX4 |
| * Drive types are set by switch settings on the hard drive controller board or are hardwired, depending on the hard drive controller used. |
| Tape Drives | Spare Part | Tape Cartridge | Spare Part |
| 10 MB | Not Available | 10 MB (DC1000) | Not Available
|
| Diskette Drives | Spare Part |
| 360 KB | 102928-001 (black bezel)
120329-001 (gray bezel)
|
| Miscellaneous | Assembly | Spare Part |
| Asynchronous Communications Clock Board * | 000061 | Not Available |
| Serial/Parallel Interface Board * | 000570
000990 | 106886-001 |
| 2400 Baud Internal Modem | 001070 | Not Available
|
|
* See Volume 2 Appendix, Multiproduct Boards, for settings. |
| Cable Function | Where Used | Spare Part | |
| Diskette/Tape Signal * | All Diskette Drives 10 MB Tape Drive | 101380-002 (Y Connector) | |
| Mass Storage Power * | All Diskette Drives Tape Drives, and Hard Drives | 101137-001 | |
| Hard Drive Signal | 20 MB Hard Drive 30 MB Hard Drive | 100625-003 (34 Pin)
100625-004 (20 Pin)
|
|
* Part of kit 108146-001. |
| Processor/Coprocessor/ROM | Location |
| 8086-2 Processor | U52 |
| 8087-2 Coprocessor | U44 |
| System ROM | U21
|
| Revision | PN on ROM |
| E | 100298-004 |
| F | 100298-005 |
| G | 105681-001 |
| H | 106265-001 |
| J | 106265-002
|
| Power Supply/Battery | Spare Part |
| Power Supply | 102927-001 (110V)
102342-001 (220V) |
| Battery (Mounted on the Asynchronous Communications Clock Board) | 131105-001 |
