(TXT) View Source
# UNIDENTIFIED
286-SYSTEM BOARD
Processor AM286/80286
Processor Speed 6/8/10/12/16MHz
Chip Set VLSI
Video Chip Set None
Maximum Onboard Memory 4MB
Maximum Video Memory None
Cache None
BIOS AMI/Award/Phoenix
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80287
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Speaker | J1 | Turbo LED | J4 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | J2 | Turbo switch | J5 |
|---------------------+----------+----------------+----------|
| Reset switch | J3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| | BIOS type select 27128 | JP1 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | BIOS type select 27256 | JP1 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Monitor type select color | JP7 | Closed |
|---+---------------------------------+-------+--------------|
| | Monitor type select monochrome | JP7 | Open |
|---+---------------------------------+-------+--------------|
| | Wait state select 0 wait states | JP8 | Closed |
|---+---------------------------------+-------+--------------|
| | Wait state select 1 wait state | JP8 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 512KB | (18) 41256 | None | None | None |
|-------+-------------+------------+------------+------------|
| 512KB | None | None | (2) 256K x | None |
| | | | 9 | |
|-------+-------------+------------+------------+------------|
| 640KB | (18) 41256 | (18) 4164 | None | None |
|-------+-------------+------------+------------+------------|
| 1MB | (18) 41256 | (18) 41256 | None | None |
|-------+-------------+------------+------------+------------|
| 1MB | None | None | (2) 256K x | (2) 256K x |
| | | | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 2MB | (18) 411000 | None | None | None |
|-------+-------------+------------+------------+------------|
| 2MB | None | None | (2) 1M x 9 | None |
|-------+-------------+------------+------------+------------|
| 4MB | (18) 411000 | (18) | None | None |
| | | 411000 | | |
|-------+-------------+------------+------------+------------|
| 4MB | None | None | (2) 1M x 9 | (2) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP2 | JP3 | JP4 |
|--------------+---------------+--------------+--------------|
| 512KB | Open | Closed | Closed |
|--------------+---------------+--------------+--------------|
| 640KB | Closed | Open | Open |
|--------------+---------------+--------------+--------------|
| 1MB | Closed | Open | Closed |
|--------------+---------------+--------------+--------------|
| 2MB | Closed | Closed | Open |
|--------------+---------------+--------------+--------------|
| 4MB | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP6 |
|-------------------------------+----------------------------|
| 6/12MHz | Open |
|-------------------------------+----------------------------|
| 8/12MHz | Closed |
+------------------------------------------------------------+