PORTABLE 286 Motherboard Settings and Configuration
COMPAQ COMPUTER CORPORATION
PORTABLE 286
Processor | 80286 |
Processor Speed | 6/8MHz |
Chip Set | FOREX |
Max. Onboard DRAM | 640KB |
Cache | None |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | None |
NPU Options | 8087/80287/80387SX/CX487SLC/80387DX/CX487DLC/3167/4167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External power connector | S1 | External battery | S3 |
Monitor connector | S2 | Speaker | S4 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor select monochrome video display controller | ED | pins 1 & 2 closed |
Monitor select COMPAQ duel-mode video display controller | ED | pins 2 & 3 closed | |
» | Factory configured - do not alter | EM | N/A |
» | Speed select secondary, 6MHz | ES | pins 2 & 3 closed |
Speed select primary, 8MHz | ES | pins 1 & 2 closed | |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
128KB | 128KB | NONE |
256KB | 128KB | (18) 4164 |
640KB | 128KB | (18) 41256 |
TECHNICAL NOTE |
E1, E2, E3 is unidentified by the manufacturer. |
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