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# AST RESEARCH, INC.
CUPID 386/25 PROCESSOR BOARD (202274-001,003,004)
Processor 80386SX
Processor Speed 25MHz
Chip Set Intel (Located on backplane board)
Max. Onboard DRAM 4MB
Cache 32KB
BIOS AST (Located on backplane board)
Dimensions 280mm x .98mm
I/O Options None
NPU Options 80387SX/3167
IMG IMG 1
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|---------------------------------------+---------+----------|
| » | Factory configured - do not alter | E1 | Closed |
|---+-----------------------------------+---------+----------|
| » | Parity checking enabled | E2 | Closed |
|---+-----------------------------------+---------+----------|
| | Parity checking disabled | E2 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+------------+------------+------------+------------|
| 1MB | (4) 1M x 9 | None | None | None |
|--------+------------+------------+------------+------------|
| 2MB | (4) 1M x 9 | (4) 1M x 9 | None | None |
|--------+------------+------------+------------+------------|
| 3MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | None |
|--------+------------+------------+------------+------------|
| 4MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
+------------------------------------------------------------+