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# FUJIKAMA USA, INC.
286 AT TURBO MAINBOARD
Processor 80286
Processor Speed 8/16MHz
Chip Set Undentified
Max. Onboard DRAM 4MB
Cache None
BIOS AMI
Dimensions 240mm x 218mm
I/O Options None
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Speaker | CN2 | Turbo LED | JP1 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | CN3 | Turbo switch | JP2 |
|---------------------+----------+----------------+----------|
| External battery | CN5 | Reset switch | JP4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal operation | HDR1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | HDR1 | pins 3 & 4 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | BIOS type select 27256 | JP3 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | BIOS type select 27128 | JP3 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Power good signal detect from | JP5 | pins 1 & 2 |
| | board | | closed |
|---+----------------------------------+--------+------------|
| | Power good signal detect from | JP5 | pins 2 & 3 |
| | power supply | | closed |
|---+----------------------------------+--------+------------|
| » | Clock speed control external | JP6 | pins 1 & 2 |
| | switch | | closed |
|---+----------------------------------+--------+------------|
| | Clock speed control keyboard | JP6 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Parity check enabled | SW1/1 | On |
|---+----------------------------------+--------+------------|
| | Parity check disabled | SW1/1 | Off |
|---+----------------------------------+--------+------------|
| » | Shadow RAM disabled | SW1/2 | On |
|---+----------------------------------+--------+------------|
| | Shadow RAM enabled | SW1/2 | Off |
|---+----------------------------------+--------+------------|
| » | RAM wait state select 1 wait | SW1/3 | Off |
| | state | | |
|---+----------------------------------+--------+------------|
| | RAM wait state select 0 wait | SW1/3 | On |
| | states | | |
|---+----------------------------------+--------+------------|
| » | ROM wait state select 3 wait | SW1/4 | Off |
| | states | | |
|---+----------------------------------+--------+------------|
| | ROM wait state select 2 wait | SW1/4 | On |
| | states | | |
|---+----------------------------------+--------+------------|
| » | Monitor type select monochrome | SW1/7 | Off |
|---+----------------------------------+--------+------------|
| | Monitor type select color | SW1/7 | On |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | SW1/8 | Off |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Parity | Bank 1 | Parity | Bank 2 | Bank |
| | | 0 | | 1 | | 3 |
|-------+--------+--------+--------+--------+--------+-------|
| 512KB | (4) | (2) | NONE | NONE | NONE | NONE |
| | 44256 | 41256 | | | | |
|-------+--------+--------+--------+--------+--------+-------|
| 640KB | (4) | (2) | (4) | (2) | NONE | NONE |
| | 44256 | 41256 | 4464 | 4164 | | |
|-------+--------+--------+--------+--------+--------+-------|
| 1MB | (4) | (2) | (4) | (2) | NONE | NONE |
| | 44256 | 41256 | 44256 | 41256 | | |
|-------+--------+--------+--------+--------+--------+-------|
| 2MB | NONE | NONE | NONE | NONE | (2) 1M | NONE |
| | | | | | x 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 4MB | NONE | NONE | NONE | NONE | (2) 1M | (2) |
| | | | | | x 9 | 1M x |
| | | | | | | 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/5 | SW1/6 |
|--------------------+-------------------+-------------------|
| 512KB | On | On |
|--------------------+-------------------+-------------------|
| 640KB | On | Off |
|--------------------+-------------------+-------------------|
| 1MB | On | Off |
|--------------------+-------------------+-------------------|
| 2MB | Off | On |
|--------------------+-------------------+-------------------|
| 4MB | Off | Off |
+------------------------------------------------------------+