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# 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
IMG IMG 1
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-----------------------------------+-------------+----------|
| » | NPU disabled | E1 | open |
|----+------------------------------+-------------+----------|
| | NPU enabled | E1 | closed |
|----+------------------------------+-------------+----------|
| » | Factory configured - do not | E2 | open |
| | alter | | |
|----+------------------------------+-------------+----------|
| » | Parity check enabled | SW1/switch | open |
| | | 4 | |
|----+------------------------------+-------------+----------|
| | Parity check disabled | SW1/switch | closed |
| | | 4 | |
|------------------------------------------------------------|
| Note:SW2 is used to toggle between the 80286 and the 80386 |
| CPUs at power-on. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/switch | SW1/switch | SW1/switch | Bank | Bank |
| | 1 | 2 | 3 | 0 | 1 |
|-------+------------+------------+------------+------+------|
| 1MB | open | open | open | (4) | NONE |
| | | | | 256K | |
| | | | | x 9 | |
|-------+------------+------------+------------+------+------|
| 2MB | closed | open | open | (4) | (4) |
| | | | | 256K | 256K |
| | | | | x 9 | x 9 |
|-------+------------+------------+------------+------+------|
| 4MB | open | closed | open | (4) | NONE |
| | | | | 1M x | |
| | | | | 9 | |
|-------+------------+------------+------------+------+------|
| 5MB | closed | open | closed | (4) | (4) |
| | | | | 256K | 1M x |
| | | | | x 9 | 9 |
|-------+------------+------------+------------+------+------|
| 8MB | closed | closed | closed | (4) | (4) |
| | | | | 1M x | 1M x |
| | | | | 9 | 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. |
+------------------------------------------------------------+