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# UNIDENTIFIED
386-25NC
Processor 80386SX
Processor Speed 25MHz
Chip Set Unidentified
Max. Onboard DRAM 16MB (8MB on external memory card)
Cache None
BIOS AMI
Dimensions 330mm x 218mm
I/O Options External memory card
NPU Options 80387SX/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Turbo LED | CR4 | Reset switch | SW1 |
|-------------------+----------+------------------+----------|
| External battery | J10 | Turbo switch | SW2 |
|-------------------+----------+------------------+----------|
| Speaker | J22 | External memory | SL1 |
| | | card | |
|-------------------+----------+------------------+----------|
| Power LED & | J23 | | |
| keylock | | | |
|------------------------------------------------------------|
| Note: The location of pin 1 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+---------+-----------|
| | Monitor type select color | JP1 | Closed |
|---+----------------------------------+---------+-----------|
| | Monitor type select monochrome | JP1 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (4) 256K x | NONE | NONE | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (4) 256K x | (4) 256K x | NONE | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 3MB | (4) 256K x | (4) 256K x | (4) 256K x | NONE |
| | 9 | 9 | 9 | |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 256K x | (4) 256K x | (4) 256K x | (4) 256K x |
| | 9 | 9 | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 1M x 9 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
|------------------------------------------------------------|
| Note: Banks 2 & 3 are on the external memory card. |
+------------------------------------------------------------+