COMPAQ COMPUTER CORPORATION
Portable (PLUS) (Model 00004-Rev. C or later)
Processor | 8088 |
Processor Speed | 4.77MHz |
Chip Set | None |
Max. Onboard DRAM | 640KB |
Cache | None |
BIOS | Compaq |
Dimensions | 372mm x 180mm |
I/O Options | None |
NPU Options | 8087 |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Main power | P0 | Speaker | SPK |
USER CONFIGURABLE SETTINGS | |||
Function | Switch | Position | |
| » | Factory configured - do not alter | SW1/1 | Off |
| » | NPU disabled | SW1/2 | On |
NPU enabled | SW1/2 | Off | |
| » | Factory configured - do not alter | SW1/3 | Off |
| » | Factory configured - do not alter | SW1/4 | Off |
| » | Factory configured - do not alter | SW2/1 | N/A |
| » | Factory configured - do not alter | SW2/2 | N/A |
| » | Factory configured - do not alter | SW2/3 | N/A |
| » | Factory configured - do not alter | SW2/4 | N/A |
| » | Factory configured - do not alter | SW2/5 | N/A |
| » | Factory configured - do not alter | SW2/6 | N/A |
| » | Factory configured - do not alter | SW2/7 | N/A |
| » | Factory configured - do not alter | SW2/8 | N/A |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
128KB | (9) 4164 | (9) 4164 | NONE | NONE |
192KB | (9) 4164 | (9) 4164 | (9) 4164 | NONE |
256KB | (9) 4164 | (9) 4164 | (9) 4164 | (9) 4164 |
384KB | (9) 4164 | (9) 4164 | (9) 41256 | NONE |
448KB | (9) 4164 | (9) 4164 | (9) 4164 | (9) 41256 |
512KB | (9) 41256 | (9) 41256 | NONE | NONE |
640KB | (9) 4164 | (9) 4164 | (9) 41256 | (9) 41256 |
FLOPPY DRIVE CONFIGURATION | ||
Drives installed | SW1/7 | SW1/8 |
1 | On | On |
2 | Off | On |
3 | On | Off |
4 | Off | Off |
MONITOR CONFIGURATION | ||
Type | SW1/5 | SW1/6 |
80 x 25 color (Compaq VDU) | On | Off |
40 x 25 color (Compaq VDU) | Off | On |
80 x 25 color (EGA or RGBI) | On | On |
Monochrome | Off | Off |