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# NEC TECHNOLOGIES, INC.
POWERMATE 286
Processor 80286
Processor 8/10MHz
Speed
Chip Set NEC
Max. onboard 1MB
DRAM
Cache None
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Options Floppy drive interface, IDE interface, parallel
port, riser card slot, serial port, video
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port | CN1 | IDE interface | J5 |
|-------------------+----------+------------------+----------|
| Parallel port | CN2 | External battery | J10 |
|-------------------+----------+------------------+----------|
| Video port | CN3 | Riser card slot | S1 |
|-------------------+----------+------------------+----------|
| Floppy drive | J4 | | |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | External video select | J3 | Closed |
| | color | | |
|---+---------------------------+---------------+------------|
| | External video select | J3 | Open |
| | monochrome | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | J8 | N/A |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Enable printer with EGA | J9 | pins 1 & 2 |
| | disabled | | closed |
|---+---------------------------+---------------+------------|
| | Disable printer with EGA | J9 | pins 2 & 3 |
| | disabled- | | closed |
|---+---------------------------+---------------+------------|
| » | CPU speed select 8/10MHz | JPS | pins 1 & 2 |
| | switchable via SYSCLK | | closed |
|---+---------------------------+---------------+------------|
| | CPU speed select true | JPS | pins 2 & 3 |
| | 10MHz | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW1/1 | N/A |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Floppy drive interface | SW1/2 | On |
| | enabled | | |
|---+---------------------------+---------------+------------|
| | Floppy drive interface | SW1/2 | Off |
| | disabled | | |
|---+---------------------------+---------------+------------|
| » | IDE interface enabled | SW1/3 | Off |
|---+---------------------------+---------------+------------|
| | IDE interface disabled | SW1/3 | On |
|---+---------------------------+---------------+------------|
| » | Serial port enabled | SW1/4 | On |
|---+---------------------------+---------------+------------|
| | Serial port disabled | SW1/4 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Base | Extended | Bank 0 | Bank 1 | SW1/1 | SW1/2 | SW/3 |
|-------+----------+---------+--------+-------+-------+------|
| 512KB | 0KB | (18) | NONE | On | On | On |
| | | 41256 | | | | |
|-------+----------+---------+--------+-------+-------+------|
| 640KB | 0KB | (18) | (18) | Off | On | On |
| | | 4164 | 41256 | | | |
|-------+----------+---------+--------+-------+-------+------|
| 512KB | 512KB | (18) | (18) | On | Off | On |
| | | 41256 | 41256 | | | |
|-------+----------+---------+--------+-------+-------+------|
| 640KB | 384KB | (18) | (18) | Off | Off | On |
| | | 41256 | 41256 | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EPROM CONFIGURATION |
|------------------------------------------------------------|
| EPROM | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|------------+-----------+-----------+-----------+-----------|
| 27128 | On | Off | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 27256 | On | Off | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 27512 | Off | On | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO CONFIGURATION |
|------------------------------------------------------------|
| Type |SW3/1 |SW3/2 |SW3/3|SW3/4|SW3/5|SW3/6|SW3/7|SW3/8|
|----------+------+------+-----+-----+-----+-----+-----+-----|
| EGA | Off | On | On | Off | Off | On | On | On |
|----------+------+------+-----+-----+-----+-----+-----+-----|
| Color | Off | Off | Off | On | Off | On | On | On |
|----------+------+------+-----+-----+-----+-----+-----+-----|
|Monochrome| Off | Off | On | Off | Off | On | On | On |
+------------------------------------------------------------+