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# TMC RESEARCH CORPORATION
PAT38PX (VER. 4.0)
Processor 80386DX
Processor Speed 25/33/40MHz
Chip Set OPTI
Max. Onboard DRAM 32MB
Cache 32/64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card slot
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------+----------+---------------------+------------|
| External | J10 | Reset switch | J23 pins 9 |
| battery | | | & 19 |
|--------------+----------+---------------------+------------|
| Speaker | J23 pins | IDE LED in | J23 pins |
| | 1 - 4 | | 10 & 20 |
|--------------+----------+---------------------+------------|
| Power LED & | J23 pins | IDE LED out | JP12 |
| keylock | 11 - 15 | | |
|--------------+----------+---------------------+------------|
| Turbo switch | J23 pins | 32-bit external | S1 |
| | 7 & 17 | memory card | |
|--------------+----------+---------------------+------------|
| Turbo LED | J23 pins | | |
| | 8 & 18 | | |
|------------------------------------------------------------|
| Note: Board may be supplied with a surface mounted |
| 80386DX. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Monitor type select color | JP1 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP1 | Open |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP2 | pins 1 & 2 |
| | (internal battery) | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory normal operation | JP2 | Open |
| | (external battery at J10) | | |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP2 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Bus speed select iOSC/6 | JP3 | Open |
|---+----------------------------------+--------+------------|
| | Bus speed select iOSC/8 | JP3 | Closed |
|---+----------------------------------+--------+------------|
| » | NPU mode select synchronous with | JP4 | pins 2 & 3 |
| | CPU | | closed |
|---+----------------------------------+--------+------------|
| | NPU mode select synchronous with | JP4 | pins 1 & 2 |
| | OSC2/2 | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|---------+------------+----------+-------------+------------|
| 1MB | (4) 256K x | NONE | NONE | NONE |
| | 9 | | | |
|---------+------------+----------+-------------+------------|
| 2MB | (4) 256K x | (4) 256K | NONE | NONE |
| | 9 | x 9 | | |
|---------+------------+----------+-------------+------------|
| 3MB (A) | (4) 256K x | (4) 256K | (4) 256K x | NONE |
| | 9 | x 9 | 9 | |
|---------+------------+----------+-------------+------------|
| 4MB (A) | (4) 256K x | (4) 256K | (4) 256K x | (4) 256K x |
| | 9 | x 9 | 9 | 9 |
|---------+------------+----------+-------------+------------|
| 4MB | (4) 1M x 9 | NONE | NONE | NONE |
|---------+------------+----------+-------------+------------|
| 5MB | (4) 256K x | (4) 1M x | NONE | NONE |
| | 9 | 9 | | |
|---------+------------+----------+-------------+------------|
| 6MB (A) | (4) 1M x 9 | (4) 256K | (4) 256K x | NONE |
| | | x 9 | 9 | |
|---------+------------+----------+-------------+------------|
| 6MB (B) | (4) 256K x | (4) 256K | (36) 411000 | NONE |
| | 9 | x 9 | | |
|---------+------------+----------+-------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x | NONE | NONE |
| | | 9 | | |
|---------+------------+----------+-------------+------------|
| 10MB | (4) 1M x 9 | (4) 1M x | (4) 256K x | (4) 256K x |
| (A) | | 9 | 9 | 9 |
|---------+------------+----------+-------------+------------|
| 12MB | (4) 1M x 9 | (4) 1M x | (4) 1M x 9 | NONE |
| (A) | | 9 | | |
|---------+------------+----------+-------------+------------|
| 12MB | (4) 1M x 9 | (4) 1M x | (36) 411000 | NONE |
| (B) | | 9 | | |
|---------+------------+----------+-------------+------------|
| 16MB | (4) 4M x 9 | NONE | NONE | NONE |
|---------+------------+----------+-------------+------------|
| 16MB | (4) 1M x 9 | (4) 1M x | (4) 1M x 9 | (4) 1M x 9 |
| (A) | | 9 | | |
|---------+------------+----------+-------------+------------|
| 20MB | (4) 4M x 9 | (4) 1M x | NONE | NONE |
| | | 9 | | |
|---------+------------+----------+-------------+------------|
| 24MB | (4) 4M x 9 | NONE | (36) 411000 | (36) |
| (B) | | | | 411000 |
|---------+------------+----------+-------------+------------|
| 32MB | (4) 4M x 9 | (4) 4M x | NONE | NONE |
| | | 9 | | |
|---------+------------+----------+-------------+------------|
| 64MB | (4) 4M x 9 | (4) 4M x | (4) 4M x 9 | (4) 4M x 9 |
| (A) | | 9 | | |
|------------------------------------------------------------|
| Notes: Banks 2 & 3 in settings (A) are used when |
| proprietary external memory card SIM64P is installed; |
| banks 2 & 3 in settings (B) are used when card DIP8P is |
| installed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG | TAG (U42) |
| | | | (U32) | |
|--------+------------+------------+---------+---------------|
| 32KB | (4) 8K x 8 | NONE | (1) 8K | (1) 4K x 1 or |
| | | | x 8 | (1) 16K x 1 |
|--------+------------+------------+---------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K | (1) 4K x 1 or |
| | | | x 8 | (1) 16K x 1 |
|--------+------------+------------+---------+---------------|
| 128KB | (4) 32K x | NONE | (1) 8K | (1) 16K x 1 |
| | 8 | | x 8 | |
|--------+------------+------------+---------+---------------|
| 256KB | (4) 32K x | (4) 32K x | (2) 32K | (1) 16K x 1 |
| | 8 | 8 | x 8 | |
|------------------------------------------------------------|
| Notes: If DRAM is £ 8MB, all cache sizes may be installed; |
| if DRAM is > 8MB and £ 16MB, |
| |
| 64, 128 or 256KB cache must be installed; if DRAM is > |
| 16MB and £ 32MB, |
| |
| 128 or 256KB cache must be installed; if DRAM is > 32MB, |
| 256KB cache must be installed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER/RESISTOR CONFIGURATION |
|------------------------------------------------------------|
|Size | JP9 | RA12 | RA13 | RA14 | RA15 |
|-----+-----+------------+-----------+-----------+-----------|
|32KB |1 & 2| Installed | Not | Not | Not |
| | | | installed | installed | installed |
|-----+-----+------------+-----------+-----------+-----------|
|64KB |1 & 2| Not | Installed | Not | Not |
| | | installed | | installed | installed |
|-----+-----+------------+-----------+-----------+-----------|
|128KB|1 & 2| Not | Not | Installed | Not |
| | | installed | installed | | installed |
|-----+-----+------------+-----------+-----------+-----------|
|256KB|2 & 3| Not | Not | Not | Installed |
| | | installed | installed | installed | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+