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                                              

<gopher://bitreich.org/I/th99/m/S-T/32696-1.png>
   

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