PREMIUM WORKSTATION/286 Motherboard Settings and Configuration
AST RESEARCH, INC.
PREMIUM WORKSTATION/286
Processor | 80286 |
Processor Speed | 10MHz |
Chip Set | AST |
Max. Onboard DRAM | 4MB |
Cache | None |
BIOS | AST |
Dimensions | 330mm x 218mm |
I/O Options | Floppy drive controller module, IDE interface, parallel port, serial ports (2), video controller module |
NPU Options | 80287 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Parallel port | CN1 | IDE interface | J2 |
Serial port 2 (COM2) | CN2 | Floppy drive controller module | J3 |
Serial port 1 (COM1) | CN3 | External battery | J6 |
Riser card | CN4 | Optional ROM (odd) | U56 |
Video port | CN5 | Optional ROM (even) | U65 |
Front panel switches & LEDs | J1 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
| » | BIOS type select 27128 | JP7 | pins 1 & 2 closed |
BIOS type select 27256 | JP7 | pins 2 & 3 closed | |
| » | Factory configured - do not alter | JP8 | open |
Note:Jumper JP8 may not be present on all board revisions. | |||
DRAM CONFIGURATION | |||
Size | Jumpers JP1 through JP6 | Bank 0 | Bank 1 |
512KB | pins 1 & 2 closed | (2) 256K x 9 | NONE |
1MB | pins 1 & 2 closed | (2) 256K x 9 | (2) 256K x 9 |
2MB | pins 2 & 3 closed | (2) 1M x 9 | NONE |
4MB | pins 2 & 3 closed | (2) 1M x 9 | (2) 1M x 9 |
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