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# TMC RESEARCH CORPORATION
PCI58PV (VER. 2.0)
Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed 20/25/33/50(internal)/50/66(internal)MHz
Chip Set SIS
Max. Onboard DRAM 32MB
SRAM Cache 64/128/256KB
BIOS AMI
Dimensions 254mm x 2184mm
I/O Options None
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+------------+-----------------+-------------|
| Speaker | J1/pins | IDE interface | J1/pins 10 |
| | 1-4 | LED (output) | & 20 |
|---------------+------------+-----------------+-------------|
| Turbo switch | J1 pins 7 | Power LED & | J1/pins 11 |
| | & 17 | keylock | - 15 |
|---------------+------------+-----------------+-------------|
| Turbo LED | J1/pins 8 | IDE interface | J2 |
| | & 18 | LED (input) | |
|---------------+------------+-----------------+-------------|
| Reset switch | J1/pins 9 | External | J6 |
| | & 19 | battery | |
|------------------------------------------------------------|
| Note: Connect the chassis HD LED to J1/pins 10 & 20 then |
| connect the hard drive LED jumper on the drive controller |
| to J2. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+---------+-------------|
| » | CMOS memory normal operation | JP10 | pins 1 & 2 |
| | (internal battery) | | closed |
|-----+------------------------------+---------+-------------|
| | CMOS memory normal operation | JP10 | open |
| | (external battery) | | |
|-----+------------------------------+---------+-------------|
| | CMOS memory clear | JP10 | pins 2 & 3 |
| | | | closed |
|-----+------------------------------+---------+-------------|
| | CPU speed select < 50MHz | JP11 | pins 1 & 2 |
| | | | closed |
|-----+------------------------------+---------+-------------|
| | CPU speed select 50MHz | JP11 | pins 2 & 3 |
| | | | closed |
|-----+------------------------------+---------+-------------|
| » | Factory configured - do not | JP12 | open |
| | alter | | |
|-----+------------------------------+---------+-------------|
| » | Monitor type select color | JP13 | closed |
|-----+------------------------------+---------+-------------|
| | Monitor type select | JP13 | open |
| | monochrome | | |
|-----+------------------------------+---------+-------------|
| » | Factory configured - do not | JP17 | pins 1 & 2 |
| | alter | | closed |
|------------------------------------------------------------|
| Note: CPU speed select refers to the external speed of the |
| CPU. (i.e. A DX2/66 would be < 50 |
| |
| because the external speed is 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 |
|----------------+---------------------+---------------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SRAM 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SRAM RESISTOR NETWORK CONFIGURATION |
|------------------------------------------------------------|
| Size | RN64 | RN128 | RN256 |
|--------------+---------------+---------------+-------------|
| 64KB | closed | open | open |
|--------------+---------------+---------------+-------------|
| 128KB | open | closed | open |
|--------------+---------------+---------------+-------------|
| 256KB | open | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU JUMPER CONFIGURATION |
|------------------------------------------------------------|
| CPU | RNA | RNB | RNC |
|---------------+--------------+--------------+--------------|
| 80486SX | open | open | closed |
|---------------+--------------+--------------+--------------|
| 80487SX | open | open | closed |
|---------------+--------------+--------------+--------------|
| 80486DX | closed | open | open |
|---------------+--------------+--------------+--------------|
| ODP486SX | open | closed | open |
|---------------+--------------+--------------+--------------|
| 80486DX2 | closed | open | open |
+------------------------------------------------------------+