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# HAUPPAUGE COMPUTER WORKS, INC.
386 XT20-02/AT20-02
Processor 80386DX
Processor Speed 20MHz
Chip Set C & T
Max. Onboard DRAM 4MB
Cache None
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card slot
NPU Options 80387
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Reset switch | J9 | External battery | J21 |
|---------------+----------+----------------------+----------|
| Speaker | J19 | 32-bit external | S1 |
| | | memory card | |
|---------------+----------+----------------------+----------|
| Power LED & | J20 | | |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| ยป | Monitor type select color | SW1 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | SW1 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+------------+------------+------------+------------|
| 1MB | (9) 44256 | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 2MB | (9) 44256 | (9) 44256 | NONE | NONE |
|--------+------------+------------+------------+------------|
| 3MB | (9) 44256 | (9) 44256 | (9) 44256 | NONE |
|--------+------------+------------+------------+------------|
| 4MB | (9) 44256 | (9) 44256 | (9) 44256 | (9) 44256 |
+------------------------------------------------------------+