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# TMC RESEARCH CORPORATION
PCI54IT (VER. 0.10)
Processor Pentium
Processor 75/90/100/120/130/150/166/180/200MHz
Speed
Chip Set Intel
Max. Onboard 128MB
DRAM
Cache 256/512KB
BIOS Unidentified
Dimensions 254mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2), parallel
port, PS/2 mouse port, serial ports (2), external
cache slot, external video slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| External cache slot | CN1 | Reset switch | J14 |
|----------------------+----------+---------------+----------|
| External video slot | CN2 | Power LED & | J15 |
| | | keylock | |
|----------------------+----------+---------------+----------|
| PS/2 mouse port | J3 | Green PC LED | J17 |
|----------------------+----------+---------------+----------|
| Serial port 1 | J5 | Turbo LED | J18 |
|----------------------+----------+---------------+----------|
| Serial port 2 | J6 | Green PC | J19 |
| | | connector | |
|----------------------+----------+---------------+----------|
| Parallel port | J9 | Chassis fan | J21 |
| | | power | |
|----------------------+----------+---------------+----------|
| IDE interface | J10 | Speaker | J22 |
| (primary) | | | |
|----------------------+----------+---------------+----------|
| IDE interface | J11 | 32-bit PCI | PCI1 - |
| (secondary) | | slots | PCI4 |
|----------------------+----------+---------------+----------|
| Floppy drive | J12 | | |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | Factory configured - do | J4 | N/A |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Flash bios normal mode | JP4 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | Flash bios programing | JP4 | pins 1 & 2 |
| | mode | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | RN1 | N/A |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | RN2 | N/A |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | RN3 | N/A |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | CPU voltage select normal | SW1/2 | On |
|---+---------------------------+---------------+------------|
| | CPU voltage select high | SW1/2 | Off |
|---+---------------------------+---------------+------------|
| » | Password normal operation | SW1/3 | Off |
|---+---------------------------+---------------+------------|
| | Password clear operation | SW1/3 | On |
|---+---------------------------+---------------+------------|
| » | CMOS memory normal | SW1/4 | Off |
| | operation | | |
|---+---------------------------+---------------+------------|
| | CMOS memory clear | SW1/4 | On |
| | operation | | |
|---+---------------------------+---------------+------------|
| » | Flash BIOS write protect | SW1/5 | On |
| | enabled | | |
|---+---------------------------+---------------+------------|
| | Flash BIOS write protect | SW1/5 | Off |
| | disabled | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | W6 | N/A |
| | not alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 4M x 36 | NONE |
|------------------+--------------------+--------------------|
| 16MB | (8) 8M 36 | NONE |
|------------------+--------------------+--------------------|
| 16MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 4M x 36 | (8) 8M 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 16M x 36 | NONE |
|------------------+--------------------+--------------------|
| 32MB | (8) 8M 36 | (8) 8M 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (8) 8M 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 32M x 36 | NONE |
|------------------+--------------------+--------------------|
| 64MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 4M x 36 | (2) 32M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (8) 8M 36 | (2) 32M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 16M x 36 | (2) 32M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 32M x 36 | (2) 32M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (8) 32K x 8 | (1) 8K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (8) 64K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP7 | JP8 | JP9 | JP10 | JP11 |
|-----------------+--------+--------+--------+------+--------|
| None | Open | Open | Open | Open | Open |
|-----------------+--------+--------+--------+------+--------|
| 256KB (On | Closed | Open | Open | Open | Closed |
| board) | | | | | |
|-----------------+--------+--------+--------+------+--------|
| 256KB (Cache | Closed | Open | Open | Open | Open |
| card) | | | | | |
|-----------------+--------+--------+--------+------+--------|
| 512KB (On | Open | Closed | Closed | Open | Closed |
| board) | | | | | |
|-----------------+--------+--------+--------+------+--------|
| 512KB (Cache | Open | Closed | Closed | Open | Open |
| card) | | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Bus | CPU | JP3 | SW1/1 | SW1/6 | SW1/7 | SW1/8 |
| clock | | | | | | |
|----------+--------+--------+-------+-------+-------+-------|
| 50MHz | 75MHz | Open | On | Off | Off | Off |
|----------+--------+--------+-------+-------+-------+-------|
| 60MHz | 90MHz | Open | On | Off | On | Off |
|----------+--------+--------+-------+-------+-------+-------|
| 66MHz | 100MHz | Open | On | Off | On | On |
|----------+--------+--------+-------+-------+-------+-------|
| 60MHz | 120MHz | Open | On | On | On | Off |
|----------+--------+--------+-------+-------+-------+-------|
| 66MHz | 133MHz | Open | On | On | On | On |
|----------+--------+--------+-------+-------+-------+-------|
| 60MHz | 150MHz | Closed | On | On | On | Off |
|----------+--------+--------+-------+-------+-------+-------|
| 66MHz | 166MHz | Closed | On | On | On | On |
|----------+--------+--------+-------+-------+-------+-------|
| 60MHz | 180MHz | Closed | On | Off | On | Off |
|----------+--------+--------+-------+-------+-------+-------|
| 66MHz | 200MHz | Closed | On | Off | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CONFIGURATION |
|------------------------------------------------------------|
| DMA | JP1 | JP2 |
|------------------+--------------------+--------------------|
| DMA1 | pins 1 & 2 clsoed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| DMA3 | plins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+