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# TMC RESEARCH CORPORATION
PAT54PV (VER 1.0A, 1.1A)
Processor Pentium
Processor Speed 75/90/100MHz
Chip Set OPTI
Max. Onboard DRAM 128MB
Cache 256/512KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (3)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+-----------+-------------------+------------|
| External | J2 | Reset switch | J6 (pins 9 |
| battery | | | - 19) |
|---------------+-----------+-------------------+------------|
| IDE interface | J5 | IDE interface LED | J6 (pins |
| LED | | | 10 - 20) |
|---------------+-----------+-------------------+------------|
| Speaker | J6 (pins | Power LED & | J6 (pins |
| | 1 - 4) | keylock | 11 - 15) |
|---------------+-----------+-------------------+------------|
| Turbo LED | J6 (pins | 32-bit VESA local | SL1 - SL3 |
| | 8 - 18) | bus slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | 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 monochrome | JP7 | Open |
|---+---------------------------------+--------+-------------|
| | Monitor type select color | JP7 | Closed |
|---+---------------------------------+--------+-------------|
| » | Back-to-back I/O delay enabled | JP8 | Closed |
|---+---------------------------------+--------+-------------|
| | Back-to-back I/O delay disabled | JP8 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (2) 256K x 36 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 512K x 36 | NONE |
|------------------+--------------------+--------------------|
| 6MB | (2) 256K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 256K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 512K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | NONE |
|------------------+--------------------+--------------------|
| 18MB | (2) 256K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 512K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | NONE |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 34MB | (2) 256K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 512K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | NONE |
|------------------+--------------------+--------------------|
| 66MB | (2) 256K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 512K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 256KB | (8) 32K x 8 | NONE | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (8) 32K x 8 | (8) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | RA256 | RA512 |
|------------------+--------------------+--------------------|
| 256KB | Installed | Not installed |
|------------------+--------------------+--------------------|
| 512KB | Not installed | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP18 |
|----------------------------+-------------------------------|
| 75MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 90MHz | pins 3 & 4 closed |
|----------------------------+-------------------------------|
| 100MHz | pins 1 & 2, 5 & 6 closed |
|------------------------------------------------------------|
| Note: The location of JP18 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA CLOCK SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU | JP4 | JP6 | JP9 | JP10 | JP11 | JP12 |
| Type | | | | | | |
|--------+--------+--------+-------+-------+--------+--------|
| 33MHz | Open | Open | 1 & 2 | 2 & 3 | Open | Closed |
|--------+--------+--------+-------+-------+--------+--------|
| 40MHz | Closed | Closed | 1 & 2 | 1 & 2 | Closed | Closed |
|--------+--------+--------+-------+-------+--------+--------|
| 50MHz | Closed | Closed | 2 & 3 | 1 & 2 | Closed | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS CLOCK FREQUENCY CONFIGURATION |
|------------------------------------------------------------|
| ATCLK frequency | VLCLK frequency | JP2 | JP3 |
|-----------------+-----------------+------------+-----------|
| 8MHz | 33MHz | Closed | Open |
|-----------------+-----------------+------------+-----------|
| 8MHz | 40MHz | Closed | Closed |
|-----------------+-----------------+------------+-----------|
| 10MHz | 50MHz | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Wait states | JP5 |
|-------------------------------+----------------------------|
| 0 wait states | Open |
|-------------------------------+----------------------------|
| 1 wait state | Closed |
+------------------------------------------------------------+