28608L/AT122 Motherboard Settings and Configuration
PC'S LIMITED, INC.
28608L/AT122
Processor | 80286 |
Processor Speed | 10MHz |
Chip Set | C & T |
Max. Onboard DRAM | 1MB |
Cache | None |
BIOS | PC's Ltd. |
Dimensions | 330mm x 218mm |
I/O Options | None |
NPU Options | 80287 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Power LED & keylock | J2 | External battery | J4 |
Speaker | J3 | Reset switch | J9 |
USER CONFIGURABLE SETTINGS | |||
Function | Switch | Position | |
| » | Monitor type select color | SW1/1 | On |
Monitor type select monochrome | SW1/1 | Off | |
| » | Green display LED indicates CPU speed (on = fast) | SW1/2 | On |
Green display LED indicates power on | SW1/2 | Off | |
| » | BIOS type select 27256 | SW1/3 | On |
BIOS type select 27128 | SW1/3 | Off | |
| » | Factory configured - do not alter | SW1/4 | Off |
| » | Factory configured - do not alter | SW1/5 | Off |
| » | 1024 DRAM split as 512K base, 512K extended | SW1/6 | Off |
1024 DRAM split as 640K base, 384K extended | SW1/6 | On | |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
256KB | (9) 41256 | NONE | NONE | NONE |
512KB | (9) 41256 | (9) 41256 | NONE | NONE |
640KB | (9) 41256 | (9) 41256 | (9) 4164 | (9) 4164 |
1MB | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 |
DRAM SWITCH CONFIGURATION | ||
Size | SW1/7 | SW1/8 |
256KB | On | Off |
512KB | On | open |
640KB | Off | Off |
1MB | Off | open |
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