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# TMC RESEARCH CORPORATION
PAT3XCA
Processor 80386SX
Processor Speed 16MHz
Chip Set NEAT
Max. Onboard DRAM 8MB
Cache None
BIOS Unidentified
Dimensions 330mm x 215mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J2 | Speaker | J13 |
|------------------+----------+-------------------+----------|
| Reset switch | J11 | Power LED & | J14 |
| | | keylock | |
|------------------+----------+-------------------+----------|
| Turbo LED | J12 | Turbo switch | J15 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Battery type select internal | JP1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery type select external | JP1 | Open |
|---+----------------------------------+--------+------------|
| » | BIOS type select 27256 | JP2 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | BIOS type select 27128 | JP2 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP4 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP4 | Open |
|---+----------------------------------+--------+------------|
| » | NPU disabled | JP7 | Closed |
|---+----------------------------------+--------+------------|
| | NPU enabled | JP7 | Open |
|---+----------------------------------+--------+------------|
| » | Pipeline mode enabled | JP8 | Closed |
|---+----------------------------------+--------+------------|
| | Pipeline mode disabled | JP8 | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP10 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | W1 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | W2 | N/A |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank | Bank | Bank | Bank | Bank | Bank | PARITY |
| | 0 | 1 | 2 | 3 | 4A | 4B | |
|-------+------+------+------+------+-------+-------+--------|
| 512KB | (2) | NONE | NONE | NONE | NONE | NONE | NONE |
| | 256K | | | | | | |
| | x 9 | | | | | | |
|-------+------+------+------+------+-------+-------+--------|
| 512KB | NONE | NONE | NONE | NONE | (4) | NONE | (2) |
| | | | | | 44256 | | 41256 |
|-------+------+------+------+------+-------+-------+--------|
| 1MB | (2) | (2) | NONE | NONE | NONE | NONE | NONE |
| | 256K | 256K | | | | | |
| | x 9 | x 9 | | | | | |
|-------+------+------+------+------+-------+-------+--------|
| 1MB | (2) | NONE | NONE | NONE | (4) | NONE | (2) |
| | 256K | | | | 44256 | | 41256 |
| | x 9 | | | | | | |
|-------+------+------+------+------+-------+-------+--------|
| 1MB | NONE | NONE | (2) | NONE | (4) | NONE | (2) |
| | | | 256K | | 44256 | | 41256 |
| | | | x 9 | | | | |
|-------+------+------+------+------+-------+-------+--------|
| 1MB | NONE | NONE | NONE | NONE | (4) | (4) | (4) |
| | | | | | 44256 | 44256 | 41256 |
|-------+------+------+------+------+-------+-------+--------|
| 2MB | (2) | (2) | (2) | (2) | NONE | NONE | NONE |
| | 256K | 256K | 256K | 256K | | | |
| | x 9 | x 9 | x 9 | x 9 | | | |
|-------+------+------+------+------+-------+-------+--------|
| 2MB | (2) | NONE | NONE | NONE | NONE | NONE | NONE |
| | 1M x | | | | | | |
| | 9 | | | | | | |
|-------+------+------+------+------+-------+-------+--------|
| 2MB | (2) | (2) | NONE | NONE | (4) | (4) | (4) |
| | 256K | 256K | | | 44256 | 44256 | 41256 |
| | x 9 | x 9 | | | | | |
|-------+------+------+------+------+-------+-------+--------|
| 2MB | NONE | NONE | (2) | (2) | (4) | (4) | (4) |
| | | | 256K | 256K | 44256 | 44256 | 41256 |
| | | | x 9 | x 9 | | | |
|-------+------+------+------+------+-------+-------+--------|
| 3MB | (2) | NONE | NONE | NONE | (4) | (4) | (4) |
| | 1M x | | | | 44256 | 44256 | 41256 |
| | 9 | | | | | | |
|-------+------+------+------+------+-------+-------+--------|
| 3MB | NONE | NONE | (2) | NONE | (4) | (4) | (4) |
| | | | 1M x | | 44256 | 44256 | 41256 |
| | | | 9 | | | | |
|-------+------+------+------+------+-------+-------+--------|
| 4MB | (2) | (2) | NONE | NONE | NONE | NONE | NONE |
| | 1M x | 1M x | | | | | |
| | 9 | 9 | | | | | |
|-------+------+------+------+------+-------+-------+--------|
| 5MB | (2) | (2) | (2) | (2) | NONE | NONE | NONE |
| | 256K | 256K | 1M x | 1M x | | | |
| | x 9 | x 9 | 9 | 9 | | | |
|-------+------+------+------+------+-------+-------+--------|
| 5MB | (2) | (2) | NONE | NONE | (4) | (4) | (4) |
| | 1M x | 1M x | | | 44256 | 44256 | 41256 |
| | 9 | 9 | | | | | |
|-------+------+------+------+------+-------+-------+--------|
| 5MB | NONE | NONE | (2) | (2) | (4) | (4) | (4) |
| | | | 1M x | 1M x | 44256 | 44256 | 41256 |
| | | | 9 | 9 | | | |
|-------+------+------+------+------+-------+-------+--------|
| 6MB | (2) | (2) | (2) | NONE | NONE | NONE | NONE |
| | 1M x | 1M x | 1M x | | | | |
| | 9 | 9 | 9 | | | | |
|-------+------+------+------+------+-------+-------+--------|
| 7MB | (2) | (2) | (2) | NONE | (4) | (4) | (4) |
| | 1M x | 1M x | 1M x | | 44256 | 44256 | 41256 |
| | 9 | 9 | 9 | | | | |
|-------+------+------+------+------+-------+-------+--------|
| 8MB | (2) | (2) | (2) | (2) | NONE | NONE | NONE |
| | 1M x | 1M x | 1M x | 1M x | | | |
| | 9 | 9 | 9 | 9 | | | |
|------------------------------------------------------------|
| Note: In configurations in which only one of banks 0 |
| and 1 or 2 and 3 are installed, memory will not be |
| interleaved and will operate with wait states. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIP DRAM BANK CONFIGURATION |
|------------------------------------------------------------|
|Bank 4A|Bank 4B| RN1 | RN2 | RN6 | RN18 |
|-------+-------+-----------+----------+----------+----------|
|Bank 0 |Bank 1 | Installed | Not |Installed | Not |
| | | |installed | |installed |
|-------+-------+-----------+----------+----------+----------|
|Bank 2 |Bank 3 | Not |Installed | Not |Installed |
| | | installed | |installed | |
+------------------------------------------------------------+