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# UNIDENTIFIED
P386/25
Processor 80386DX
Processor Speed 25MHz
Chip Set OPTI
Max. Onboard DRAM 16MB (8MB on external memory card)
Cache None
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card
NPU Options 80387DX/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | J10 | Turbo switch | SW2 |
|-------------------+----------+------------------+----------|
| Speaker | J22 | Turbo LED | SW3 |
|-------------------+----------+------------------+----------|
| Power LED & | J23 | 32-bit external | SL1 |
| keylock | | memory card | |
|-------------------+----------+------------------+----------|
| Reset switch | SW1 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Monitor type select CGA/EGA/VGA | JP1 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select | JP1 | Open |
| | Hercules/monochrome | | |
|---+----------------------------------+--------+------------|
| » | Power good signal detect from | JP3 | pins 1 & 2 |
| | board | | closed |
|---+----------------------------------+--------+------------|
| | Power good signal detect from | JP3 | pins 2 & 3 |
| | power supply | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------+-------------+-------------+------------+------------|
| 5MB | (4) 1M x 9 | (4) 256K x | NONE | NONE |
| | | 9 | | |
|------+-------------+-------------+------------+------------|
| 5MB | (4) 256K x | (4) 1M x 9 | NONE | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 6MB | (4) 256K x | (4) 256K x | (4) 1M x 9 | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 6MB | (4) 256K x | (4) 1M x 9 | (4) 256K x | NONE |
| | 9 | | 9 | |
|------+-------------+-------------+------------+------------|
| 6MB | (4) 1M x 9 | (4) 256K x | (4) 256K x | NONE |
| | | 9 | 9 | |
|------+-------------+-------------+------------+------------|
| 7MB | (4) 256K x | (4) 256K x | (4) 1M x 9 | (4) 256K x |
| | 9 | 9 | | 9 |
|------+-------------+-------------+------------+------------|
| 7MB | (4) 256K x | (4) 1M x 9 | (4) 256K x | (4) 256K x |
| | 9 | | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 7MB | (4) 1M x 9 | (4) 256K x | (4) 256K x | (4) 256K x |
| | | 9 | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 9MB | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 9MB | (4) 1M x 9 | (4) 256K x | (4) 1M x 9 | NONE |
| | | 9 | | |
|------+-------------+-------------+------------+------------|
| 9MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x | NONE |
| | | | 9 | |
|------+-------------+-------------+------------+------------|
| 10MB | (4) 256K x | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 10MB | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x |
| | 9 | | | 9 |
|------+-------------+-------------+------------+------------|
| 10MB | (4) 1M x 9 | (4) 256K x | (4) 256K x | (4) 1M x 9 |
| | | 9 | 9 | |
|------+-------------+-------------+------------+------------|
| 10MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x | (4) 256K x |
| | | | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
|------+-------------+-------------+------------+------------|
| 13MB | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 13MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x |
| | | | | 9 |
|------+-------------+-------------+------------+------------|
| 13MB | (4) 1M x 9 | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 |
| | | 9 | | |
|------+-------------+-------------+------------+------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
|------------------------------------------------------------|
| Note: Banks 2 & 3 are located on the external memory card. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BATTERY TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP4 |
|----------------------------+-------------------------------|
| 3.6v | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 4.5v | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 6.0v | Open |
+------------------------------------------------------------+