AST RESEARCH, INC.
FASTboard/386 for the Premium/286
Models 202143-00x
Processor | 80286/80386DX |
Processor Speed | 10MHz |
Chip Set | AST |
Max. Onboard DRAM | 8MB |
SRAM Cache | None |
BIOS | AST |
Dimensions | 330mm x 218mm |
I/O Options | None |
NPU Options | 80387 |

USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | NPU disabled | E1 | open |
| NPU enabled | E1 | closed |
» | Factory configured - do not alter | E2 | open |
» | Parity check enabled | SW1/switch 4 | open |
| Parity check disabled | SW1/switch 4 | closed |
Note:SW2 is used to toggle between the 80286 and the 80386 CPUs at power-on. | |||
DRAM CONFIGURATION | |||||
Size | SW1/switch 1 | SW1/switch 2 | SW1/switch 3 | Bank 0 | Bank 1 |
1MB | open | open | open | (4) 256K x 9 | NONE |
2MB | closed | open | open | (4) 256K x 9 | (4) 256K x 9 |
4MB | open | closed | open | (4) 1M x 9 | NONE |
5MB | closed | open | closed | (4) 256K x 9 | (4) 1M x 9 |
8MB | closed | closed | closed | (4) 1M x 9 | (4) 1M x 9 |
Note: When using the FASTboard/386 in a Premium/286 with a FASTram Memory Board installed, SW1/switch 5 should be in the open position and SW1/switch 6 to SW1/switch 10 should be left in their default positions on the FASTram Memory Board. | |||||