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# TMC RESEARCH CORPORATION
PAT48PR (VER. 1.3)
Processor 80486SX/OPD486/80487SX/80486DX/80486DX2
Processor Speed 25/33/50(internal)/50/66(internal)MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard Memory 64MB
Maximum Video Memory None
Cache 64/128/256KB
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+-----------+---------------------+----------|
| Speaker | J1 pins 1 | Power LED & keylock | J1 pins |
| | – 4 | | 11 - 15 |
|---------------+-----------+---------------------+----------|
| Turbo switch | J1 pins 7 | IDE interface LED | J2 |
| | & 17 | | |
|---------------+-----------+---------------------+----------|
| Turbo LED | J1 pins 8 | External battery | J4 |
| | & 18 | | |
|---------------+-----------+---------------------+----------|
| Reset switch | J1 pins 9 | 32-bit VESA local | SL1 & |
| | & 19 | bus slots | SL2 |
|---------------+-----------+---------------------+----------|
| IDE interface | J1 pins | | |
| LED | 10 & 20 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+-------+---------------|
| | Battery type select internal | JP1 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | Battery type select external | JP1 | Open |
|---+--------------------------------+-------+---------------|
| | CMOS memory clear | JP1 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | Monitor type select color | JP4 | Closed |
|---+--------------------------------+-------+---------------|
| | Monitor type select monochrome | JP4 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION 1 |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (4) 256K x | None | None | None |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (4) 256K x | (4) 256K x | None | None |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 1M x 9 | None | None | None |
|------+-------------+-------------+------------+------------|
| 5MB | (4) 256K x | (4) 1M x 9 | None | None |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 6MB | (4) 256K x | (4) 256K x | (1) 1M x | None |
| | 9 | 9 | 36 | |
|------+-------------+-------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 9MB | (4) 256K x | (4) 1M x 9 | (1) 1M x | None |
| | 9 | | 36 | |
|------+-------------+-------------+------------+------------|
| 10MB | (4) 256K x | (4) 256K x | (1) 1M x | (1) 1M x |
| | 9 | 9 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 13MB | (4) 256K x | (4) 1M x 9 | (1) 1M x | (1) 1M x |
| | 9 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (4) 4M x 9 | None | None | None |
|------+-------------+-------------+------------+------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (4) 1M x 9 | (4) 4M x 9 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (4) 4M x 9 | (4) 1M x 9 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 28MB | (4) 1M x 9 | (4) 4M x 9 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 28MB | (4) 4M x 9 | (4) 1M x 9 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 36MB | (4) 4M x 9 | (4) 4M x 9 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (4) 4M x 9 | (4) 4M x 9 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | None |
|------+-------------+-------------+------------+------------|
| 52MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (1) 1M x |
| | | | | 36 |
|------+-------------+-------------+------------+------------|
| 52MB | (4) 4M x 9 | (4) 1M x 9 | (4) 4M x 9 | (1) 4M x |
| | | | | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (1) 4M x |
| | | | | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION 2 |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+------------+------------+-------------+-------------|
| 4MB | None | None | (1) 1M x 36 | None |
|------+------------+------------+-------------+-------------|
| 8MB | None | None | (1) 1M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 12MB | (4) 1M x 9 | None | (1) 1M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 16MB | None | None | (1) 4M x 36 | None |
|------+------------+------------+-------------+-------------|
| 20MB | None | None | (1) 4M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 24MB | (4) 1M x 9 | None | (1) 4M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 24MB | (4) 4M x 9 | None | (1) 1M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 28MB | (4) 4M x 9 | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 28MB | (4) 1M x 9 | (4) 1M x 9 | (1) 4M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 32MB | None | None | (1) 4M x 36 | (1) 4M x 36 |
|------+------------+------------+-------------+-------------|
| 36MB | (4) 4M x 9 | None | (1) 4M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 40MB | (4) 4M x 9 | (4) 4M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 40MB | (4) 1M x 9 | (4) 1M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------+------------+------------+-------------+-------------|
| 48MB | (4) 4M x 9 | None | (1) 4M x 36 | (1) 4M x 36 |
|------+------------+------------+-------------+-------------|
| 52MB | (4) 4M x 9 | (4) 1M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------+------------+------------+-------------+-------------|
| 52MB | (4) 4M x 9 | (4) 4M x 9 | (1) 4M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 64MB | (4) 4M x 9 | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION 3 |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|---------+-----------+----------+-------------+-------------|
| 4MB | None | None | (1) 1M x 36 | None |
|---------+-----------+----------+-------------+-------------|
| 8MB | None | None | (1) 2M x 36 | None |
|---------+-----------+----------+-------------+-------------|
| 12MB | None | None | (1) 2M x 36 | (1) 1M x 36 |
|---------+-----------+----------+-------------+-------------|
| 16MB | None | None | (1) 2M x 36 | (1) 2M x 36 |
|---------+-----------+----------+-------------+-------------|
| 16MB | None | None | (1) 4M x 36 | None |
|---------+-----------+----------+-------------+-------------|
| 24MB | None | None | (1) 2M x 36 | (1) 4M x 36 |
|---------+-----------+----------+-------------+-------------|
| 32MB | None | None | (1) 8M x 36 | None |
|---------+-----------+----------+-------------+-------------|
| 40MB | None | None | (1) 2M x 36 | (1) 8M x 36 |
|---------+-----------+----------+-------------+-------------|
| 40MB | None | None | (1) 8M x 36 | (1) 2M x 36 |
|---------+-----------+----------+-------------+-------------|
| 48MB | None | None | (1) 8M x 36 | (1) 4M x 36 |
|---------+-----------+----------+-------------+-------------|
| 64MB | None | None | (1) 8M x 36 | (1) 8M x 36 |
+------------------------------------------------------------+
+-------------------------------------------------------------------------+
| DRAM RESISTOR CONFIGURATION |
|-------------------------------------------------------------------------|
|Configuration| RNB1 | RNC1 | RND1 | RNB2 | RNC2 | RND2 |
|-------------+---------+---------+---------+---------+---------+---------|
| 1 | Not |Installed| Not | Not |Installed| Not |
| |installed| |installed|installed| |installed|
|-------------+---------+---------+---------+---------+---------+---------|
| 2 | Not | Not |Installed| Not | Not |Installed|
| |installed|installed| |installed|installed| |
|-------------+---------+---------+---------+---------+---------+---------|
| 3 |Installed| Not | Not |Installed| Not | Not |
| | |installed|installed| |installed|installed|
+-------------------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG0 | TAG1 |
|-------+-------------+------------+------------+------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 64K x | (1) 8K x 8 |
| | | | 1 | |
|-------+-------------+------------+------------+------------|
| 128KB | (4) 32K x 8 | None | (1) 64K x | (1) 8K x 8 |
| | | | 1 | |
|-------+-------------+------------+------------+------------|
| 256KB | (4) 32K x 8 | (4) 32K x | (1) 64K x | (1) 32K x |
| | | 8 | 1 | 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | RND | RNE | RNF |
|------------+---------------+---------------+---------------|
| 64KB | Installed | Not installed | Not installed |
|------------+---------------+---------------+---------------|
| 128KB | Not installed | Installed | Not installed |
|------------+---------------+---------------+---------------|
| 256KB | Not installed | Not installed | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP2 | JP3 | W13 | W14 | W15 | W16 |
|--------+--------+--------+-------+-------+--------+--------|
| 25MHz | 2 & 3 | Open | Open | Open | Closed | Open |
|--------+--------+--------+-------+-------+--------+--------|
| 33MHz | 2 & 3 | Open | Open | Open | Open | Closed |
|--------+--------+--------+-------+-------+--------+--------|
| 50iMHz | 2 & 3 | Open | Open | Open | Closed | Open |
|--------+--------+--------+-------+-------+--------+--------|
| 50MHz | 1 & 2 | Closed | Open | Open | Closed | Open |
|--------+--------+--------+-------+-------+--------+--------|
| 66iMHz | 2 & 3 | Open | Open | Open | Open | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | RNA3 | RNB3 | RNC3 |
|------------+---------------+---------------+---------------|
| 80486SX | Not installed | Not installed | Installed |
|------------+---------------+---------------+---------------|
| OPD486 | Not installed | Installed | Not installed |
|------------+---------------+---------------+---------------|
| 80487SX | Not installed | Installed | Not installed |
|------------+---------------+---------------+---------------|
| 80486DX | Installed | Not installed | Not installed |
|------------+---------------+---------------+---------------|
| 80486DX2 | Installed | Not installed | Not installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VL BUS SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP5 | JP6 |
|--------------------+-------------------+-------------------|
| <= 33MHz | Open | Open |
|--------------------+-------------------+-------------------|
| >33 MHz | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VL BUS SELECTION |
|------------------------------------------------------------|
| CPU speed | # of VL-bus | RNV1 | RNV2 |
| | cards | | |
|------------+---------------+---------------+---------------|
| 33MHz | 2 | Not installed | Installed |
|------------+---------------+---------------+---------------|
| 50MHz | 2 | Not installed | Installed |
|------------+---------------+---------------+---------------|
| 50MHz | 1 | Installed | Not installed |
|------------+---------------+---------------+---------------|
| 66iMHz | 2 | Not installed | Installed |
|------------------------------------------------------------|
| Note: 50MHz with 2 cards installed are not recommend by |
| the manufacturer. |
+------------------------------------------------------------+