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. |