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# PEAKTRON COMPUTER, INC.
PA286-SMT-12/16/20, PA286-SMT-12D/16D
Processor 80286
Processor Speed 12/16/20MHz
Chip Set Peaktron
Max. Onboard DRAM 16MB
Cache None
BIOS AMI
Dimensions 247mm x 220mm
I/O Options None
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Power LED & | J1 | Turbo switch | J4 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | J2 | Reset switch | J5 |
|-------------------+----------+------------------+----------|
| Turbo LED | J3 | External battery | J11 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------+------------+------------|
| » | Monitor type select | J6 | Open |
| | monochrome | | |
|---+------------------------------+------------+------------|
| | Monitor type select color | J6 | Closed |
|---+------------------------------+------------+------------|
| » | CPU speed control select | J9 | Open |
| | turbo switch | | |
|---+------------------------------+------------+------------|
| | CPU speed control select | J9 | pins 1 & 2 |
| | keyboard controller pin 32 | | closed |
|---+------------------------------+------------+------------|
| | CPU speed control select | J9 | pins 2 & 3 |
| | keyboard controller pin 23 | | closed |
|---+------------------------------+------------+------------|
| » | NPU mode select synchronous | J12 | pins 2 & 3 |
| | with CPU | | closed |
|---+------------------------------+------------+------------|
| | NPU mode select asynchronous | J12 | pins 1 & 2 |
| | with CPU | | closed |
|---+------------------------------+------------+------------|
| » | Bus speed select ATCLK/2 | SW1/jumper | Open |
| | | 1 | |
|---+------------------------------+------------+------------|
| | Bus speed select ATCLK/3 | SW1/jumper | Closed |
| | | 1 | |
|---+------------------------------+------------+------------|
| » | Parity check enabled | SW1/jumper | Closed |
| | | 2 | |
|---+------------------------------+------------+------------|
| | Parity check disabled | SW1/jumper | Open |
| | | 2 | |
|---+------------------------------+------------+------------|
| » | DRAM select 0 wait states | SW1/jumper | Closed |
| | | 3 | |
|---+------------------------------+------------+------------|
| | DRAM select 1 wait state | SW1/jumper | Open |
| | | 3 | |
|---+------------------------------+------------+------------|
| » | Shadow BIOS ROM disabled | SW1/jumper | Closed |
| | | 4 | |
|---+------------------------------+------------+------------|
| | Shadow BIOS ROM enabled | SW1/jumper | Open |
| | | 4 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | P-0 | Bank 1 | P-1 | Bank | Bank |
| | | | | | 2 | 3 |
|-------+---------+---------+---------+--------+------+------|
| 512KB | (4) | (2) | NONE | NONE | NONE | NONE |
| | 44256 | 41256 | | | | |
|-------+---------+---------+---------+--------+------+------|
| 512KB | NONE | NONE | NONE | NONE | (2) | NONE |
| | | | | | 256K | |
| | | | | | x 9 | |
|-------+---------+---------+---------+--------+------+------|
| 1MB | (4) | (2) | (4) | (2) | NONE | NONE |
| | 44256 | 41256 | 44256 | 41256 | | |
|-------+---------+---------+---------+--------+------+------|
| 1MB | NONE | NONE | NONE | NONE | (2) | (2) |
| | | | | | 256K | 256K |
| | | | | | x 9 | x 9 |
|-------+---------+---------+---------+--------+------+------|
| 1.5MB | (4) | (2) | (4) | (2) | (2) | NONE |
| | 44256 | 41256 | 44256 | 41256 | 256K | |
| | | | | | x 9 | |
|-------+---------+---------+---------+--------+------+------|
| 2MB | (4) | (2) | NONE | NONE | NONE | NONE |
| | 441000 | 411000 | | | | |
|-------+---------+---------+---------+--------+------+------|
| 2MB | NONE | NONE | NONE | NONE | (2) | NONE |
| | | | | | 1M x | |
| | | | | | 9 | |
|-------+---------+---------+---------+--------+------+------|
| 3MB | (4) | (2) | (4) | (2) | (2) | NONE |
| | 44256 | 41256 | 44256 | 41256 | 1M x | |
| | | | | | 9 | |
|-------+---------+---------+---------+--------+------+------|
| 4MB | (4) | (2) | (4) | (2) | NONE | NONE |
| | 441000 | 411000 | 441000 | 411000 | | |
|-------+---------+---------+---------+--------+------+------|
| 4MB | NONE | NONE | NONE | NONE | (2) | (2) |
| | | | | | 1M x | 1M x |
| | | | | | 9 | 9 |
|-------+---------+---------+---------+--------+------+------|
| 6MB | (4) | (2) | (4) | (2) | (2) | NONE |
| | 441000 | 411000 | 441000 | 411000 | 1M x | |
| | | | | | 9 | |
|-------+---------+---------+---------+--------+------+------|
| 8MB | NONE | NONE | NONE | NONE | (2) | NONE |
| | | | | | 4M x | |
| | | | | | 9 | |
|-------+---------+---------+---------+--------+------+------|
| 16MB | NONE | NONE | NONE | NONE | (2) | (2) |
| | | | | | 4M x | 4M x |
| | | | | | 9 | 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/5 | SW1/6 | SW1/7 | SW1/8 | J7 | J8 |
|--------+--------+--------+--------+--------+-------+-------|
| 512KB | Open | Closed | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| 512KB | Open | Closed | Open | Open | 2 & 3 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | Open | Closed | Open | Closed | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | Open | Closed | Open | Closed | 2 & 3 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 1.5MB | Open | Open | Closed | Open | 1 & 2 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 2MB | Closed | Open | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| 2MB | Closed | Open | Open | Open | 2 & 3 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 3MB | Open | Closed | Closed | Open | 1 & 2 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 4MB | Closed | Open | Open | Closed | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| 4MB | Closed | Open | Open | Closed | 2 & 3 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 6MB | Closed | Open | Closed | Open | 1 & 2 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 8MB | Closed | Closed | Open | Open | 2 & 3 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 16MB | Closed | Closed | Open | Closed | 2 & 3 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS CONFIGURATION |
|------------------------------------------------------------|
| Size | JP1 | JP10 |
|-------------------+--------------------+-------------------|
| 27256 | pins 1 & 2 closed | Open |
|-------------------+--------------------+-------------------|
| 27512 | pins 2 & 3 closed | Closed |
+------------------------------------------------------------+