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# TMC RESEARCH CORPORATION
PAT38XPL
Processor 80386SX
Processor Speed 16/20/25MHz
Chip Set OPTI
Max. Onboard DRAM 12MB
Cache None
BIOS AMI
Dimensions 231mm x 218mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+-----------+-------------------+------------|
| External | J8 | Reset switch | J17 pins 9 |
| battery | | | & 19 |
|---------------+-----------+-------------------+------------|
| Speaker | J17 pins | IDE LED in | J17 pins |
| | 1 - 4 | | 10 & 20 |
|---------------+-----------+-------------------+------------|
| Turbo switch | J17 pins | Power LED & | J17 pins |
| | 7 & 17 | keylock | 11 - 15 |
|---------------+-----------+-------------------+------------|
| Turbo LED | J17 pins | IDE LED out | J18 |
| | 8 & 18 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Monitor type select color | JP1 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP1 | Open |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP2 | pins 2 & 3 |
| | (internal battery) | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory normal operation | JP2 | Open |
| | (external battery at J8) | | |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP2 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | P-0 | Bank 1 | P-1 | Bank 2 | Bank |
| | | | | | | 3 |
|-------+--------+--------+--------+--------+--------+-------|
| 512KB | (4) | (2) | NONE | NONE | NONE | NONE |
| | 44256 | 41256 | | | | |
|-------+--------+--------+--------+--------+--------+-------|
| 512KB | NONE | NONE | NONE | NONE | (2) | NONE |
| | | | | | 256K x | |
| | | | | | 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 1MB | (4) | (2) | (4) | (2) | NONE | NONE |
| | 44256 | 41256 | 44256 | 41256 | | |
|-------+--------+--------+--------+--------+--------+-------|
| 1MB | NONE | NONE | NONE | NONE | (2) | (2) |
| | | | | | 256K x | 256K |
| | | | | | 9 | x 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 2MB | (4) | (2) | (4) | (2) | (2) | (2) |
| | 44256 | 41256 | 44256 | 41256 | 256K x | 256K |
| | | | | | 9 | x 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 2MB | (4) | (2) | NONE | NONE | NONE | NONE |
| | 441000 | 411000 | | | | |
|-------+--------+--------+--------+--------+--------+-------|
| 2MB | NONE | NONE | NONE | NONE | (2) 1M | NONE |
| | | | | | x 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 3MB | (4) | (2) | (4) | (2) | (2) 1M | NONE |
| | 44256 | 41256 | 44256 | 41256 | x 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 3MB | (4) | (2) | NONE | NONE | (2) | (2) |
| | 441000 | 411000 | | | 256K x | 256K |
| | | | | | 9 | x 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 4MB | (4) | (2) | (4) | (2) | NONE | NONE |
| | 441000 | 411000 | 441000 | 411000 | | |
|-------+--------+--------+--------+--------+--------+-------|
| 4MB | NONE | NONE | NONE | NONE | (2) 1M | (2) |
| | | | | | x 9 | 1M x |
| | | | | | | 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 5MB | (4) | (2) | (4) | (2) | (2) 1M | (2) |
| | 44256 | 41256 | 44256 | 41256 | x 9 | 1M x |
| | | | | | | 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 5MB | (4) | (2) | (2) | (2) | (2) | (2) |
| | 441000 | 411000 | 411000 | 411000 | 256K x | 256K |
| | | | | | 9 | x 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 6MB | (4) | (2) | (4) | (2) | (2) 1M | NONE |
| | 441000 | 411000 | 441000 | 411000 | x 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 6MB | (4) | (2) | NONE | NONE | (2) 1M | (2) |
| | 441000 | 411000 | | | x 9 | 1M x |
| | | | | | | 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 8MB | (4) | (2) | (4) | (2) | (2) 1M | (2) |
| | 441000 | 411000 | 441000 | 411000 | x 9 | 1M x |
| | | | | | | 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 9MB | (4) | (2) | (4) | (2) | (2) 4M | NONE |
| | 44256 | 41256 | 44256 | 41256 | x 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 12MB | (4) | (2) | (4) | (2) | (2) 4M | NONE |
| | 441000 | 411000 | 441000 | 411000 | x 9 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM RESISTOR CONFIGURATION |
|------------------------------------------------------------|
| Size | RA1A, RA2A, & RA3A | RA1B, RA2B, & RA3B |
|------------------+--------------------+--------------------|
| 512KB | Installed | Not installed |
|------------------+--------------------+--------------------|
| 512KB | Not installed | Installed |
|------------------+--------------------+--------------------|
| 1MB | Installed | Not installed |
|------------------+--------------------+--------------------|
| 1MB | Not installed | Installed |
|------------------+--------------------+--------------------|
| 2MB | Installed | Not installed |
|------------------+--------------------+--------------------|
| 2MB | Installed | Not installed |
|------------------+--------------------+--------------------|
| 2MB | Not installed | Installed |
|------------------+--------------------+--------------------|
| 3MB | Installed | Not installed |
|------------------+--------------------+--------------------|
| 3MB | Not installed | Installed |
|------------------+--------------------+--------------------|
| 4MB | Installed | Not installed |
|------------------+--------------------+--------------------|
| 4MB | Not installed | Installed |
|------------------+--------------------+--------------------|
| 5MB | Installed | Not installed |
|------------------+--------------------+--------------------|
| 5MB | Not installed | Installed |
|------------------+--------------------+--------------------|
| 6MB | Installed | Not installed |
|------------------+--------------------+--------------------|
| 6MB | Not installed | Installed |
|------------------+--------------------+--------------------|
| 8MB | Installed | Not installed |
|------------------+--------------------+--------------------|
| 9MB | Installed | Not installed |
|------------------+--------------------+--------------------|
| 12MB | Installed | Not installed |
+------------------------------------------------------------+