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# WELLS AMERICAN CORPORATION
COMPUSTAR 100
Processor 80386DX
Processor Speed 16/20/25MHz
Chip Set C & T
Max. Onboard DRAM 16MB
Cache 32KB
BIOS Award/Wells American
Dimensions 330mm x 127mm
I/O Options None
NPU Options 80387DX/3167
(IMG) IMG 1
+------------------------------------------------------------+
| MISCELLANEOUS NOTE |
|------------------------------------------------------------|
| The 80286 processor board is installed in a passive |
| backplane board. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | Bus select PS/2 | W1 & W2 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | Bus select AT | W1 & W2 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | Monitor type select color | W7 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | Monitor type select | W7 | Pins 1 & 2 |
| | monochrome and compustar | | closed |
|---+---------------------------+---------------+------------|
| » | NPU enabled | W11 | Open |
|---+---------------------------+---------------+------------|
| | NPU disabled | W11 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 512K x 9 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (4) 512K x 9 | (4) 512K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 8MB | (4) 2M x 9 | NONE |
|------------------+--------------------+--------------------|
| 10MB | (4) 2M x 9 | (4) 512K x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 2M x 9 | (4) 2M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Cache |
|----------------------------+-------------------------------|
| 32KB | (4) 8K x 8 |
+------------------------------------------------------------+