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# TMC RESEARCH CORPORATION
JATON 286 BOARD (V-1.0A)
Processor 80286
Processor Speed 10/12/16/20MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard Memory 8MB (4MB on external memory card)
Maximum Video Memory None
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options External memory card
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | J2 | Reset switch | JP4 |
|-------------------+----------+------------------+----------|
| Power LED & | J3 | Reset switch | JP10 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | J4 | External memory | SL1 |
| | | card | |
|-------------------+----------+------------------+----------|
| Turbo LED | J6 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| | Battery type select internal | JP1 | Closed |
|---+-----------------------------------+-------+------------|
| | Battery type select external | JP1 | Open |
|---+-----------------------------------+-------+------------|
| | Monitor type select color | JP3 | Closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select monochrome | JP3 | Open |
|---+-----------------------------------+-------+------------|
| | Power good signal detect from | JP5 | Pins 2 & 3 |
| | power supply | | closed |
|---+-----------------------------------+-------+------------|
| | Power good signal detect from | JP5 | Pins 1 & 2 |
| | board | | closed |
|---+-----------------------------------+-------+------------|
| | BIOS type select 27256 | JP7 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | BIOS type select 27128 | JP7 | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 512KB | (18) 41256 | None | None | None |
|-------+-------------+------------+------------+------------|
| 640KB | (18) 41256 | (18) 4164 | None | None |
|-------+-------------+------------+------------+------------|
| 1MB | (18) 41256 | (18) 41256 | None | None |
|-------+-------------+------------+------------+------------|
| 2MB | (18) 41256 | (18) 41256 | (18) 41256 | (18) 41256 |
|-------+-------------+------------+------------+------------|
| 4MB | (18) 411000 | (18) | None | None |
| | | 411000 | | |
|-------+-------------+------------+------------+------------|
| 5MB | (18) 41256 | (18) 41256 | (18) | (18) |
| | | | 411000 | 411000 |
|-------+-------------+------------+------------+------------|
| 8MB | (18) 411000 | (18) | (18) | (18) |
| | | 411000 | 411000 | 411000 |
|------------------------------------------------------------|
| Note: Banks 2 & 3 are located on the external memory |
| card.. |
+------------------------------------------------------------+