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# TMC RESEARCH CORPORATION
PCI54IT (VER. 0.10C)
Processor CX M1/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (2), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), cache slot, VRM connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | J3 | Power LED & | J15 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| PS/2 mouse | J4 | IDE interface | J17 |
| interface | | LED | |
|-------------------+----------+------------------+----------|
| Serial port 1 | J5 | Turbo LED | J18 |
|-------------------+----------+------------------+----------|
| Serial port 2 | J6 | Green PC | J19 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Parallel port | J9 | Chassis fan | J21 |
| | | power | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J10 | Speaker | J22 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J11 | 32-bit PCI slots | PC1 – |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Floppy drive | J12 | Cache slot | SL1 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Reset switch | J14 | VRM connector | VRM |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| | Flash BIOS voltage select 12v | JP4 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 5v | JP4 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | RN1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | RN2 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | RN3 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| | Password normal operation | SW1/3 | Off |
|---+---------------------------------+-------+--------------|
| | Password clear | SW1/3 | On |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | SW1/4 | Off |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | SW1/4 | On |
|---+---------------------------------+-------+--------------|
| | BIOS access enabled | SW1/5 | Off |
|---+---------------------------------+-------+--------------|
| | BIOS access disabled | SW1/5 | On |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | W1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | W6 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+-----------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|---------------+-----------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|---------------+-----------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|---------------+-----------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|---------------+-----------------------+--------------------|
| 32MB | (2) 4M x 36 | None |
|---------------+-----------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|---------------+-----------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|---------------+-----------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|---------------+-----------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
|---------------+-----------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|---------------+-----------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|---------------+-----------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|---------------+-----------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|---------------+-----------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Board also accepts x 32 |
| SIMMs. Banks are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 | TAG |
|-----------+-------------+--------------------+-------------|
| 256KB (A) | (8) 32K x 8 | Not installed | (1) 8K x 8 |
|-----------+-------------+--------------------+-------------|
| 256KB (B) | None | 256KB module | None |
| | | installed | |
|-----------+-------------+--------------------+-------------|
| 512KB (A) | (8) 64K x 8 | Not installed | (1) 32K x 8 |
|-----------+-------------+--------------------+-------------|
| 512KB (B) | None | 512KB module | None |
| | | installed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP7 | JP8 | JP9 | JP10 | JP11 |
|-----------+----------+---------+---------+-------+---------|
| None | Open | Open | Open | N/A | N/A |
|-----------+----------+---------+---------+-------+---------|
| 256KB (A) | Closed | Open | Open | Open | Closed |
|-----------+----------+---------+---------+-------+---------|
| 256KB (B) | Closed | Open | Open | Open | Open |
|-----------+----------+---------+---------+-------+---------|
| 512KB (A) | Open | Closed | Closed | Open | Closed |
|-----------+----------+---------+---------+-------+---------|
| 512KB (B) | Open | Closed | Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP3 |SW1/1|SW1/6|SW1/7|SW1/8|
| | speed | | | | | | |
|---------+----------+----------+----+-----+-----+-----+-----|
| 100MHz | 66MHz | 2x |Open| On | On | Off | Off |
|---------+----------+----------+----+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x |Open| On | On | On | Off |
|---------+----------+----------+----+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x |Open| On | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier| JP3 |SW1/1|SW1/6|SW1/7|SW1/8|
| | speed | | | | | | |
|---------+--------+----------+------+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | Open | On | Off | Off | Off |
|---------+--------+----------+------+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | Open | On | Off | On | Off |
|---------+--------+----------+------+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | Open | On | Off | On | On |
|---------+--------+----------+------+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x | Open | On | On | On | Off |
|---------+--------+----------+------+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x | Open | On | On | On | On |
|---------+--------+----------+------+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x |Closed| On | On | On | Off |
|---------+--------+----------+------+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x |Closed| On | On | On | On |
|---------+--------+----------+------+-----+-----+-----+-----|
| 180MHz | 60MHz | 3x |Closed| On | Off | On | Off |
|---------+--------+----------+------+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x |Closed| On | Off | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | SW1/2 |
|-------------------------------+----------------------------|
| Normal | On |
|-------------------------------+----------------------------|
| High | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP1 | JP2 |
|------------------+--------------------+--------------------|
| 1 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3 | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+