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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  |
          +------------------------------------------------------------+