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# UNIDENTIFIED
SUNTAC-286P
Processor 80286
Processor Speed 12/16/20MHz
Chip Set Suntac
Video Chip Set None
Maximum Onboard Memory 5MB
Maximum Video Memory None
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options Floppy drive interface, IDE interface
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| IDE interface | CN1 | IDE interface | J4 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN2 | Speaker | J5 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Reset switch | J1 | Power LED & | J6 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Turbo switch | J2 | External battery | JP9 |
|-------------------+----------+------------------+----------|
| Turbo LED | J3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+--------+-----------|
| | Floppy drive interface enabled | JP10 | Closed |
|---+-----------------------------------+--------+-----------|
| | Floppy drive interface disabled | JP10 | Open |
|---+-----------------------------------+--------+-----------|
| | Monitor type select color | SW1/1 | On |
|---+-----------------------------------+--------+-----------|
| | Monitor type select monochrome | SW1/1 | Off |
|---+-----------------------------------+--------+-----------|
| | Parity enabled | SW1/2 | On |
|---+-----------------------------------+--------+-----------|
| | Parity disabled | SW1/2 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | P 0 | Bank 1 | P 1 | Bank 2 | Bank |
| | | | | | | 3 |
|-------+--------+--------+--------+--------+--------+-------|
| 512KB | (4) | (2) | None | None | None | None |
| | 44256 | 41256 | | | | |
|-------+--------+--------+--------+--------+--------+-------|
| 1MB | (4) | (2) | (4) | (2) | None | None |
| | 44256 | 41256 | 44256 | 41256 | | |
|-------+--------+--------+--------+--------+--------+-------|
| 2MB | (4) | (2) | (4) | (2) | (2) | (2) |
| | 44256 | 41256 | 44256 | 41256 | 256K x | 256K |
| | | | | | 9 | x 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 5MB | (4) | (2) | (4) | (2) | (2) 1M | (2) |
| | 44256 | 41256 | 44256 | 41256 | x 9 | 1M x |
| | | | | | | 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/3 | SW1/4 | SW1/5 |
|---------------+--------------+--------------+--------------|
| 512KB | On | On | On |
|---------------+--------------+--------------+--------------|
| 1MB | On | On | Off |
|---------------+--------------+--------------+--------------|
| 2MB | On | Off | Off |
|---------------+--------------+--------------+--------------|
| 5MB | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Base | Shadow | Extended | SW1/6 | SW1/7 | SW1/8 |
| memory | memory | memory | | | |
|---------+---------+----------------+-------+-------+-------|
| 640KB | None | 384KB | On | On | On |
|---------+---------+----------------+-------+-------+-------|
| 640KB | 128KB | 256KB | On | On | Off |
|---------+---------+----------------+-------+-------+-------|
| 512KB | None | 512KB | On | Off | On |
|---------+---------+----------------+-------+-------+-------|
| 512KB | 128KB | 384KB | On | Off | Off |
|---------+---------+----------------+-------+-------+-------|
| 640KB | EMS | 64KB | Off | On | On |
|---------+---------+----------------+-------+-------+-------|
| 640KB | EMS | None | Off | On | Off |
|---------+---------+----------------+-------+-------+-------|
| 512KB | EMS | 64KB | Off | Off | On |
|---------+---------+----------------+-------+-------+-------|
| 512KB | EMS | None | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS SELECTION |
|------------------------------------------------------------|
| Size | JP6 | JP18 |
|------------------+--------------------+--------------------|
| 27256 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 27512 | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDE INTERFACE CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP14 | JP15 |
|--------------------+-------------------+-------------------|
| Enabled | Open | Closed |
|--------------------+-------------------+-------------------|
| Disabled | Closed | Open |
+------------------------------------------------------------+