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# TMC RESEARCH CORPORATION
JATO 286+
Processor 80286
Processor Speed 10/12/16/20MHz
Chip Set LSI
Max. Onboard DRAM 8MB
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Turbo LED | J1 | Serial port 1 | J6 |
|-------------------+----------+------------------+----------|
| Power LED & | J2 | External battery | J8 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | J3 | Reset switch | JP1 |
|-------------------+----------+------------------+----------|
| Serial port 2 | J4 | Reset switch | JP5 |
|-------------------+----------+------------------+----------|
| Parallel port | J5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | NPU clock speed select CPU clock | JP2 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | NPU clock speed select OSC1 | JP2 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | BIOS type select 27128 | JP3 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | BIOS type select 27256 | JP3 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Power good signal detect from | JP4 | pins 2 & 3 |
| | board | | closed |
|---+----------------------------------+--------+------------|
| | Power good signal detect from | JP4 | pins 1 & 2 |
| | power supply | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP6 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP6 | Open |
|---+----------------------------------+--------+------------|
| » | Battery type select internal | JP7 | Closed |
|---+----------------------------------+--------+------------|
| | Battery type select external | JP7 | Open |
|---+----------------------------------+--------+------------|
| » | Parallel port enabled | JP8 | Open |
|---+----------------------------------+--------+------------|
| | Parallel port disabled | JP8 | Closed |
|---+----------------------------------+--------+------------|
| » | Serial port 2 enabled | JP9 | Open |
|---+----------------------------------+--------+------------|
| | Serial port 2 disabled | JP9 | Closed |
|---+----------------------------------+--------+------------|
| » | Serial port 1 enabled | JP10 | Open |
|---+----------------------------------+--------+------------|
| » | Serial port 1 disabled | JP10 | Closed |
|---+----------------------------------+--------+------------|
| | Factory configured - do not | JP11 | Open |
| | alter | | |
|------------------------------------------------------------|
| Note: The location of JP6 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (OPTION 1) |
|------------------------------------------------------------|
| 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 | (2) 256K x | (2) 256K x |
| | | | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 4MB | (18) 411000 | (18) | NONE | NONE |
| | | 411000 | | |
|-------+-------------+------------+------------+------------|
| 5MB | (18) 411000 | (18) | (2) 256K x | (2) 256K x |
| | | 411000 | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 8MB | (18) 411000 | (18) | (2) 1M x 9 | (2) 1M x 9 |
| | | 411000 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (OPTION 2) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 512KB | NONE | NONE | (2) 256K x | NONE |
| | | | 9 | |
|-------+-------------+------------+------------+------------|
| 1MB | NONE | NONE | (2) 256K x | (2) 256K x |
| | | | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 2MB | (18) 41256 | (18) 41256 | (2) 256K x | (2) 256K x |
| | | | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 4MB | NONE | NONE | (2) 1M x 9 | (2) 1M x 9 |
|-------+-------------+------------+------------+------------|
| 5MB | (18) 41256 | (18) 41256 | (2) 1M x 9 | (2) 1M x 9 |
|-------+-------------+------------+------------+------------|
| 5MB | (18) 411000 | (18) | (2) 256K x | (2) 256K x |
| | | 411000 | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 8MB | (18) 411000 | (18) | (2) 1M x 9 | (2) 1M x 9 |
| | | 411000 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM RESISTOR CONFIGURATION |
|------------------------------------------------------------|
| Size | AR23 | AR24 | AR25 | AR26 |
|--------+-------------+------------+------------+-----------|
| Option | Installed | Installed | Not | Not |
| 1 | | | Installed | Installed |
|--------+-------------+------------+------------+-----------|
| Option | Not | Not | Installed | Installed |
| 2 | Installed | Installed | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM RESISTOR CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | AR27 | AR28 | AR29 | AR30 |
|--------+-------------+------------+------------+-----------|
| Option | Not | Not | Installed | Installed |
| 1 | Installed | Installed | | |
|--------+-------------+------------+------------+-----------|
| Option | Installed | Installed | Not | Not |
| 2 | | | Installed | Installed |
+------------------------------------------------------------+