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# TMC RESEARCH CORPORATION
PAT34PV
Processor 80386DX/CX486DLC/80486SX/80487SX/80486DX/ODP486SX
80486DX2/ODP586SX
Processor 25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set OPTI
Max. Onboard 32MB
DRAM
Cache 64/128/256KB
BIOS AMI
Dimensions 235mm x 220mm
I/O Options None
NPU Options 80387
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Funcation | Location | Purpose | Location |
|--------------+-----------+-------------------+-------------|
| External | J1 | Reset switch | J5/pins 9 & |
| battery | | | 19 |
|--------------+-----------+-------------------+-------------|
| Speaker | J5/pins 1 | IDE interface LED | J5/pins 10 |
| | - 4 | | & 20 |
|--------------+-----------+-------------------+-------------|
| Turbo switch | J5/pins 7 | Power LED & | J5/pins 11 |
| | & 17 | keylock | - 15 |
|--------------+-----------+-------------------+-------------|
| Turbo LED | J5/pins 8 | IDE interface LED | J6 |
| | & 18 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Monitor type select color | JP1 | closed |
|---+--------------------------------+----------+------------|
| | Monitor type select monochrome | JP1 | open |
|---+--------------------------------+----------+------------|
| » | CMOS memory normal (internal | JP2 | pins 2 & 3 |
| | battery) | | closed |
|---+--------------------------------+----------+------------|
| | CMOS memory normal (external | JP2 | open |
| | battery) | | |
|---+--------------------------------+----------+------------|
| | CMOS memory clear | JP2 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | JP3 | N/A |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | VESA bus speed select £ 33MHz | JP4 | open |
|---+--------------------------------+----------+------------|
| | VESA bus speed select > 33MHz | JP4 | closed |
|---+--------------------------------+----------+------------|
| » | VESA bus wait states select 0 | JP5 | open |
| | (CPU £ 33MHz) | | |
|---+--------------------------------+----------+------------|
| | VESA bus wait state select 1 | JP5 | closed |
| | (CPU > 33MHz) | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 5MB | (4) 256K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Cache | Location | TAG(U39) |
|------------+---------------+---------------+---------------|
| 64KB | (8) 8K x 8 | Banks 0 & 1 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | Bank 0 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (8) 32K x 8 | Banks 0 & 1 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE RESISTOR NETWORK CONFIGURATION |
|------------------------------------------------------------|
| Size | RND | RNE | RNF |
|--------------+---------------+--------------+--------------|
| 64KB | closed | open | open |
|--------------+---------------+--------------+--------------|
| 128KB | open | closed | open |
|--------------+---------------+--------------+--------------|
| 256KB | open | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU CONFIGURATION |
|------------------------------------------------------------|
| CPU | RNA | RNB | RNC | RN386 | RN486 |
|----------+---------+---------+---------+---------+---------|
| 80486DX2 | closed | open | open | open | closed |
|----------+---------+---------+---------+---------+---------|
| ODP487SX | open | closed | closed | open | closed |
|----------+---------+---------+---------+---------+---------|
| 80486DX | closed | open | open | open | closed |
|----------+---------+---------+---------+---------+---------|
| 80487SX | open | closed | open | open | closed |
|----------+---------+---------+---------+---------+---------|
| 80486SX | open | open | open | open | closed |
|----------+---------+---------+---------+---------+---------|
| CX486DLC | N/A | N/A | N/A | closed | open |
|----------+---------+---------+---------+---------+---------|
| 80386DX | N/A | N/A | N/A | closed | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED RESISTOR NETWORK CONFIGURATION |
|------------------------------------------------------------|
| Speed | RNG1 | RNG2 | RNG3 | RNG4 | RNG5 |
|---------------+--------+--------+--------+--------+--------|
|66(internal)MHz| N/A | N/A | open | closed | open |
|---------------+--------+--------+--------+--------+--------|
| 50MHz | N/A | N/A | open | open | closed |
|---------------+--------+--------+--------+--------+--------|
|50(internal)MHz| N/A | N/A | closed | open | open |
|---------------+--------+--------+--------+--------+--------|
|50(internal)MHz| N/A | N/A | closed | open | open |
|---------------+--------+--------+--------+--------+--------|
| 40MHz/486 | N/A | N/A | open | closed | open |
|---------------+--------+--------+--------+--------+--------|
| 40MHz/386 | open | closed | open | closed | open |
|---------------+--------+--------+--------+--------+--------|
| 33MHz/486 | N/A | N/A | open | closed | open |
|---------------+--------+--------+--------+--------+--------|
| 33MHz/386 | closed | open | open | closed | open |
|---------------+--------+--------+--------+--------+--------|
| 25MHz | N/A | N/A | closed | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA LOCAL BUS CONFIGURATION |
|------------------------------------------------------------|
| VESA cards supported | RNV1 | RNV2 |
|-------------------------+-----------------+----------------|
| 2 | open | closed |
|-------------------------+-----------------+----------------|
| 1 | closed | open |
|------------------------------------------------------------|
| Note:The manufacturer does not recommend using the two |
| card setting with a 486DX/50MHz |
+------------------------------------------------------------+