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# AST RESEARCH, INC.
CUPID 386SX/25 PROCESSOR BOARD (202403-001,004)
Processor 80386SX
Processor Speed 25MHz
Chip Set Intel (Located on backplane board)
Max. Onboard DRAM 16MB
Cache 16KB
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 |
|----------------------------------+-----------+-------------|
| ยป | Parity checking enabled | E1 | Closed |
|---+------------------------------+-----------+-------------|
| | Parity checking disabled | E1 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+------------+------------+------------+------------|
| 2MB | (1) 1M x 9 | (1) 1M x 9 | None | None |
|--------+------------+------------+------------+------------|
| 4MB | (1) 1M x 9 | (1) 1M x 9 | (1) 1M x 9 | (1) 1M x 9 |
|--------+------------+------------+------------+------------|
| 8MB | (1) 4M x 9 | (1) 4M x 9 | None | None |
|--------+------------+------------+------------+------------|
| 10MB | (1) 1M x 9 | (1) 1M x 9 | (1) 4M x 9 | (1) 4M x 9 |
|--------+------------+------------+------------+------------|
| 16MB | (1) 4M x 9 | (1) 4M x 9 | (1) 4M x 9 | (1) 4M x 9 |
+------------------------------------------------------------+