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# UNIDENTIFIED
V286-12
Processor 80286
Processor Speed 12MHz
Chip Set VLSI
Max. onboard DRAM 4MB
Cache None
BIOS Unknown
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Keylock | J18 | Turbo LED | J33 |
|---------------------+----------+----------------+----------|
| External battery | J22 | Reset switch | J34 |
|---------------------+----------+----------------+----------|
| Speaker | J23 | Turbo Switch | J43 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|---------------------------------+---------------+----------|
| » | BIOS type select 27256 | J1 | Closed |
|---+-----------------------------+---------------+----------|
| | BIOS type select 27128 | J1 | Open |
|---+-----------------------------+---------------+----------|
| » | Monitor type select color | J27 | Closed |
|---+-----------------------------+---------------+----------|
| | Monitor type select | J27 | Open |
| | monochrome | | |
|---+-----------------------------+---------------+----------|
| » | RAM select 0 wait states | J31 | Closed |
|---+-----------------------------+---------------+----------|
| | RAM select 1 wait state | J31 | Open |
|---+-----------------------------+---------------+----------|
| » | ROM select 0 wait states | J32 | Closed |
|---+-----------------------------+---------------+----------|
| | ROM select 1 wait state | J32 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | J28 | J29 | J100 |
|--------+------------+-----------+--------+--------+--------|
| 512KB | (18) 41256 | NONE | Closed | Closed | Closed |
|--------+------------+-----------+--------+--------+--------|
| 640KB | (18) 41256 | NONE | Closed | Open | Closed |
|--------+------------+-----------+--------+--------+--------|
| 1024KB | (18) 41256 | (18) 4164 | Open | Closed | Closed |
|--------+------------+-----------+--------+--------+--------|
| 2048KB | (18) | NONE | Open | Open | Closed |
| | 411000 | | | | |
|--------+------------+-----------+--------+--------+--------|
| 4096KB | (18) | (18) | Closed | Closed | Open |
| | 411000 | 411000 | | | |
+------------------------------------------------------------+