(TXT) View Source
# TMC RESEARCH CORPORATION
PAT48PX
Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed 20/25/33/40(internal)/50/66(internal)MHz
Chip Set OPTI
Max. Onboard DRAM 32MB
Cache 64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card slot
NPU Options 4167
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------+----------+-----------------------+----------|
| External | J10 | IDE LED in | J23 pins |
| battery | | | 10 & 20 |
|--------------+----------+-----------------------+----------|
| Speaker | J23 pins | Power LED & keylock | J23 pins |
| | 1 - 4 | | 11 - 15 |
|--------------+----------+-----------------------+----------|
| Turbo switch | J23 pins | IDE LED out | JP12 |
| | 7 & 17 | | |
|--------------+----------+-----------------------+----------|
| Turbo LED | J23 pins | 32-bit external | S1 |
| | 8 & 18 | memory card | |
|--------------+----------+-----------------------+----------|
| Reset switch | J23 pins | | |
| | 9 & 19 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 J4) | | |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP2 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Bus speed select CLKIN/4 | JP3 | Open |
|---+----------------------------------+--------+------------|
| | Bus speed select CLKIN/6 | JP3 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG | TAG | Resistor |
| | | | (U33) | (U34) | Installed |
|--------+---------+--------+---------+--------+-------------|
| 64KB | (4) 8K | (4) 8K | (1) 4K | (1) 8K | RND |
| | x 8 | x 8 | x 1 | x 8 | |
|--------+---------+--------+---------+--------+-------------|
| 64KB | (4) 8K | (4) 8K | (1) 16K | (1) 8K | RND |
| | x 8 | x 8 | x 1 | x 8 | |
|--------+---------+--------+---------+--------+-------------|
| 64KB | (4) 8K | (4) 8K | (1) 64K | (1) 8K | RND |
| | x 8 | x 8 | x 1 | x 8 | |
|--------+---------+--------+---------+--------+-------------|
| 128KB | (4) 32K | NONE | (1) 16K | (1) 8K | RNF |
| | x 8 | | x 1 | x 8 | |
|--------+---------+--------+---------+--------+-------------|
| 128KB | (4) 32K | NONE | (1) 64K | (1) 8K | RNF |
| | x 8 | | x 1 | x 8 | |
|--------+---------+--------+---------+--------+-------------|
| 256KB | (4) 32K | (4) | (1) 16K | (1) | RNE |
| | x 8 | 32K x | x 1 | 32K x | |
| | | 8 | | 8 | |
|--------+---------+--------+---------+--------+-------------|
| 256KB | (4) 32K | (4) | (1) 64K | (1) | RNE |
| | x 8 | 32K x | x 1 | 32K x | |
| | | 8 | | 8 | |
|------------------------------------------------------------|
| Notes: If DRAM is If DRAM is £ 16MB, all cache sizes may |
| be installed; if DRAM is >16MB and £ 32MB, |
| |
| 128 or 256KB cache must be installed, if DRAM > 32MB, |
| 256KB cache must be installed. |
| |
| (Memory over 32MB would be installed on the proprietary |
| external memory card.) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | RNA | RNB | RNC |
|-----------+----------------+---------------+---------------|
| 80486SX | Not installed | Not installed | Installed |
|-----------+----------------+---------------+---------------|
| ODP486SX | Not installed | Installed | Not installed |
|-----------+----------------+---------------+---------------|
| 80487SX | Not installed | Installed | Not installed |
|-----------+----------------+---------------+---------------|
| 80486DX | Installed | Not installed | Not installed |
|-----------+----------------+---------------+---------------|
| 80486DX2 | Installed | Not installed | Not installed |
+------------------------------------------------------------+