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# NEC TECHNOLOGIES, INC.
PowerMate 386/25S (G8GAH)
Processor 80386DX
Processor Speed 25MHz
Chip Set Headland
Max. Onboard 16MB (on system memory card)
DRAM
Cache 32KB
Dimensions 330.2mm x 218.4mm
BIOS Phoenix
I/O Options Keyboard/Bus mouse interface card socket,
serial port, parallel port, VGA port,
proprietary video card sockets, proprietary
system memory card slot
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Proprietary | J2 | Keyboard/Bus | P2 |
| system memory | | mouse interface | |
| card | | | |
|-------------------+----------+------------------+----------|
| Speaker | J3 | Parallel port | P11 |
|-------------------+----------+------------------+----------|
| Proprietary video | J4, J5, | Serial port | P12 |
| card | & J6 | | |
|-------------------+----------+------------------+----------|
| Riser Card | J7 | VGA port | P13 |
|-------------------+----------+------------------+----------|
| Drive power | J20 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | Cache enabled | JP2 | Closed |
|---+---------------------------+---------------+------------|
| | Cache disabled | JP2 | Open |
|---+---------------------------+---------------+------------|
| » | Keyboard gate select | JP8 & JP9 | pins 1 & 2 |
| | 8742/8042 | | closed |
|---+---------------------------+---------------+------------|
| | Keyboard gate select fast | JP8 & JP9 | pins 2 & 3 |
| | A20 | | closed |
|---+---------------------------+---------------+------------|
| » | Keyboard controller test | JP111 | Open |
| | disabled | | |
|---+---------------------------+---------------+------------|
| | Keyboard controller test | JP111 | Closed |
| | enabled | | |
|---+---------------------------+---------------+------------|
| » | Password enabled | JP112 | Closed |
|---+---------------------------+---------------+------------|
| | Password disabled | JP112 | Open |
|---+---------------------------+---------------+------------|
| » | Test mode disabled | SW1 | Open |
|---+---------------------------+---------------+------------|
| | Test mode enabled | SW1 | Closed |
|---+---------------------------+---------------+------------|
| » | Serial port enabled | SW3/3 | On |
|---+---------------------------+---------------+------------|
| | Serial port disabled | SW3/3 | Off |
|---+---------------------------+---------------+------------|
| » | Parallel port enabled | SW3/5 | On |
|---+---------------------------+---------------+------------|
| | Parallel port disabled | SW3/5 | Off |
|---+---------------------------+---------------+------------|
| » | Floppy drive interface | SW3/6 | On |
| | enabled | | |
|---+---------------------------+---------------+------------|
| | Floppy drive interface | SW3/6 | Off |
| | disabled | | |
|---+---------------------------+---------------+------------|
| » | Floppy drive I/O port | SW3/7 | Off |
| | select first | | |
|---+---------------------------+---------------+------------|
| | Floppy drive I/O port | SW3/7 | On |
| | select second | | |
|---+---------------------------+---------------+------------|
| » | Monitor type select | SW3/8 | Off |
| | monochrome | | |
|---+---------------------------+---------------+------------|
| | Monitor type select color | SW3/8 | On |
|---+---------------------------+---------------+------------|
| » | IDE interface disabled | SW3/9 | Off |
|---+---------------------------+---------------+------------|
| | IDE interface enabled | SW3/9 | On |
|---+---------------------------+---------------+------------|
| » | Bus mouse port disabled | SW3/10 | Off |
|---+---------------------------+---------------+------------|
| | Bus mouse port enabled | SW3/10 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|---------------------------+--------------------------------|
| 32KB | (2) 8K x 16 |
|------------------------------------------------------------|
| Note: Cache is factory installed and is not configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP6 | SW3/1 |
|-------------------+--------------------+-------------------|
| None | pins 1 & 2 closed | Off |
|-------------------+--------------------+-------------------|
| 3167 | pins 2 & 3 closed | Off |
|-------------------+--------------------+-------------------|
| 80387 | pins 2 & 3 closed | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP114 | SW3/2 |
|--------------------+--------------------+------------------|
| Enabled | Open | On |
|--------------------+--------------------+------------------|
| Disabled | Closed | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP20 | SW3/4 |
|--------------------+--------------------+------------------|
| COM1/IRQ4 | pins 2 & 3 closed | Off |
|--------------------+--------------------+------------------|
| COM2/IRQ3 | pins 1 & 2 closed | On |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| DRAM CONFIGURATION (MEMORY CARD) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (8) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (8) 256K x 9 | (8) 256K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (8) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 10MB | (8) 256K x 9 | (8) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (8) 1M x 9 | (8) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION (MEMORY CARD) |
|------------------------------------------------------------|
| Size | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|---------+-------------+------------+-----------+-----------|
| 2MB | Off | Off | Off | Off |
|---------+-------------+------------+-----------+-----------|
| 4MB | Off | Off | On | Off |
|---------+-------------+------------+-----------+-----------|
| 8MB | Off | On | Off | Off |
|---------+-------------+------------+-----------+-----------|
| 10MB | Off | On | On | Off |
|---------+-------------+------------+-----------+-----------|
| 16MB | On | Off | Off | Off |
|------------------------------------------------------------|
| Note:SW1/switch 4 is not used. |
+------------------------------------------------------------+