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# UNIDENTIFIED
12MHZ 286 TURBO
Processor 80286 (exact location unidentified)
Processor Speed 10/12MHz
Chip Set VLSI
Max. Onboard DRAM 4MB
Cache None
BIOS AMI/Award/Phoenix
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80287(exact location unidentified)
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Speaker | J23 | Reset switch | CN23 |
|----------------+----------+---------------------+----------|
| Turbo switch | CN20 | Power LED & keylock | CN24 |
|----------------+----------+---------------------+----------|
| Turbo LED | CN22 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+---------+-----------|
| | Monitor type select color | J3 | Closed |
|---+----------------------------------+---------+-----------|
| | Monitor type select monochrome | J3 | Open |
|---+----------------------------------+---------+-----------|
| | Wait state select 0 wait states | J4 | Closed |
|---+----------------------------------+---------+-----------|
| | Wait state select 1 wait state | J4 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 0A | Bank 0B | Bank 1 | Bank 1A |
|-------+-----------+----------+---------+---------+---------|
| 512KB | (8) 41256 | NONE | NONE | (8) | NONE |
| | | | | 41256 | |
|-------+-----------+----------+---------+---------+---------|
| 512KB | NONE | (2) | NONE | NONE | (2) |
| | | 44256 | | | 44256 |
|-------+-----------+----------+---------+---------+---------|
| 640KB | (8) 41256 | NONE | NONE | (8) | NONE |
| | | | | 41256 | |
|-------+-----------+----------+---------+---------+---------|
| 640KB | NONE | (2) | NONE | NONE | (2) |
| | | 44256 | | | 44256 |
|-------+-----------+----------+---------+---------+---------|
| 1MB | (8) 41256 | NONE | NONE | (8) | NONE |
| | | | | 41256 | |
|-------+-----------+----------+---------+---------+---------|
| 1MB | NONE | (2) | NONE | NONE | (2) |
| | | 44256 | | | 44256 |
|-------+-----------+----------+---------+---------+---------|
| 2MB | (9) | NONE | NONE | (9) | NONE |
| | 411000 | | | 411000 | |
|-------+-----------+----------+---------+---------+---------|
| 4MB | (9) | NONE | NONE | (9) | NONE |
| | 411000 | | | 411000 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 1B | Bank 2 | Bank 2A | Bank 3 | Bank 3A |
|-------+---------+----------+----------+----------+---------|
| 512KB | NONE | NONE | NONE | NONE | NONE |
|-------+---------+----------+----------+----------+---------|
| 512KB | NONE | NONE | NONE | NONE | NONE |
|-------+---------+----------+----------+----------+---------|
| 640KB | NONE | (8) 4164 | NONE | (8) 4164 | NONE |
|-------+---------+----------+----------+----------+---------|
| 640KB | NONE | NONE | (2) 4464 | NONE | (2) |
| | | | | | 4464 |
|-------+---------+----------+----------+----------+---------|
| 1MB | NONE | (8) | NONE | (8) | NONE |
| | | 41256 | | 41256 | |
|-------+---------+----------+----------+----------+---------|
| 1MB | NONE | NONE | (2) | NONE | (2) |
| | | | 44256 | | 44256 |
|-------+---------+----------+----------+----------+---------|
| 2MB | NONE | NONE | NONE | NONE | NONE |
|-------+---------+----------+----------+----------+---------|
| 4MB | NONE | (9) | NONE | (9) | NONE |
| | | 411000 | | 411000 | |
|------------------------------------------------------------|
| Note: See table below for parity configuration. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM PARITY CONFIGURATION |
|------------------------------------------------------------|
| Size | P 0 | P 1 | P 2 | P 3 |
|--------+------------+------------+------------+------------|
| 512KB | (1) 41256 | (1) 41256 | NONE | NONE |
|--------+------------+------------+------------+------------|
| 512KB | NONE | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 640KB | (1) 41256 | (1) 41256 | (1) 4164 | (1) 4164 |
|--------+------------+------------+------------+------------|
| 640KB | NONE | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 1MB | (1) 41256 | (1) 41256 | (1) 41256 | (1) 41256 |
|--------+------------+------------+------------+------------|
| 1MB | NONE | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 2MB | NONE | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 4MB | NONE | NONE | NONE | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (SIMM) |
|------------------------------------------------------------|
| Size | Bank 0B | Bank 1B |
|------------------+--------------------+--------------------|
| 512KB | (2) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 1MB | (2) 256K x 9 | (2) 256K x 9 |
|------------------+--------------------+--------------------|
| 2MB | (2) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J6 | J7 | J8 |
|--------------+---------------+--------------+--------------|
| 512KB | Closed | Closed | Closed |
|--------------+---------------+--------------+--------------|
| 640KB | Closed | Closed | Open |
|--------------+---------------+--------------+--------------|
| 1MB | Closed | Open | Closed |
|--------------+---------------+--------------+--------------|
| 2MB | Closed | Open | Open |
|--------------+---------------+--------------+--------------|
| 4MB | Open | Closed | Closed |
+------------------------------------------------------------+