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# UNIDENTIFIED
80286-12 ZERO WAIT TURBO
Processor 80286
Processor Speed 12MHz
Chip Set VLSI
Max. Onboard DRAM 4MB
Cache None
BIOS AMI/Award
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Reset switch | JP1 | Turbo switch | JP4 |
|-------------------+----------+------------------+----------|
| Power LED & | JP2 | Turbo LED | JP5 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | JP3 | External battery | JP17 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Location |
|--------------------------------------+--------+------------|
| » | Factory configured - do not | JP0 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP6 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | DRAM select 0 wait states | JP10 | Closed |
|---+----------------------------------+--------+------------|
| | DRAM select 1 wait state | JP10 | Open |
|---+----------------------------------+--------+------------|
| » | BIOS type select 27256 | JP11 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | BIOS type select 27128 | JP11 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP12 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP12 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP13 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP14 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP15 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP18 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Internal battery enabled | JPA | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Internal battery disabled | JPA | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank | Bank | P-0 | P-1 |
| | | | 2 | 3 | | |
|-------+---------+--------+-------+-------+--------+--------|
| 512KB | (16) | NONE | NONE | NONE | (2) | NONE |
| | 41256 | | | | 41256 | |
|-------+---------+--------+-------+-------+--------+--------|
| 512KB | NONE | NONE | (4) | NONE | (2) | NONE |
| | | | 44256 | | 41256 | |
|-------+---------+--------+-------+-------+--------+--------|
| 640KB | (16) | (16) | NONE | NONE | (2) | (2) |
| | 41256 | 4164 | | | 41256 | 4164 |
|-------+---------+--------+-------+-------+--------+--------|
| 640KB | NONE | (16) | (4) | NONE | (2) | (16) |
| | | 4164 | 44256 | | 41256 | 4164 |
|-------+---------+--------+-------+-------+--------+--------|
| 1MB | (16) | (16) | NONE | NONE | (2) | (2) |
| | 41256 | 41256 | | | 41256 | 41256 |
|-------+---------+--------+-------+-------+--------+--------|
| 1MB | NONE | NONE | (4) | (4) | (2) | (2) |
| | | | 44256 | 44256 | 41256 | 41256 |
|-------+---------+--------+-------+-------+--------+--------|
| 2MB | (16) | NONE | NONE | NONE | (2) | NONE |
| | 411000 | | | | 411000 | |
|-------+---------+--------+-------+-------+--------+--------|
| 4MB | (16) | (16) | NONE | NONE | (2) | (2) |
| | 411000 | 411000 | | | 411000 | 411000 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP7 | JP8 | JP9 |
|--------------+---------------+--------------+--------------|
| 512KB | Closed | Closed | Closed |
|--------------+---------------+--------------+--------------|
| 640KB | Closed | Closed | Open |
|--------------+---------------+--------------+--------------|
| 1MB | Closed | Open | Closed |
|--------------+---------------+--------------+--------------|
| 2MB | Closed | Open | Open |
|--------------+---------------+--------------+--------------|
| 4MB | Open | Closed | Closed |
+------------------------------------------------------------+