QDI COMPUTER, INC.
==================

   QDI-437FX-250

   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                                         
   Memory           
   Maximum Video    None                                          
   Memory           
   Cache            256KB                                         
   BIOS             Award                                         
   Dimensions       250mm x 220mm                                 
   I/O Options      32-bit PCI slots (4), floppy drive interface, 
                    green PC connector, IDE interfaces (2),       
                    parallel port, PS/2 mouse interface, serial   
                    ports (2), IR connector                       
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/P-R/33503-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |   CN1    | Turbo LED        |    J3    |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN2    | Reset switch     |    J4    |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN3    | IDE interface    |    J5    |
   |                   |          | LED              |          |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   CN4    | IR connector     |    J6    |
   | interface         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 2   |   CN5    | PS/2 mouse       |    J7    |
   |                   |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 1   |   CN6    | Green PC         |    J8    |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    J1    | 32-bit PCI slots |  PC1 -   |
   | keylock           |          |                  |   PC4    |
   |-------------------+----------+------------------+----------|
   | Speaker           |    J2    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function             | Label |    Position     |
   |----------------------------------+-------+-----------------|
   |>> | CMOS memory normal operation |  JP1  |   Pins 1 & 2    |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |   | CMOS memory clear            |  JP1  |   Pins 2 & 3    |
   |   |                              |       |     closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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) 16M x 36    |        None        |
   |------------------+--------------------+--------------------|
   |      128MB       |    (2) 8M x 36     |    (2) 8M x 36     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Note: 256KB cache is factory installed and is not          |
   | configurable. The location is unidentified.                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                CPU SPEED SELECTION (CYRIX)                 |
   |------------------------------------------------------------|
   |  CPU  |  Clock  |Multiplier| JC1  | JC2  | JC3 | JS1 | JS2 |
   | speed |  speed  |          |      |      |     |     |     |
   |-------+---------+----------+------+------+-----+-----+-----|
   |100MHz |  50MHz  |    2x    |Closed|Closed|1 & 2|2 & 3|1 & 2|
   |-------+---------+----------+------+------+-----+-----+-----|
   |120MHz |  60MHz  |    2x    |Closed| Open |2 & 3|2 & 3|1 & 2|
   |------------------------------------------------------------|
   |Note: Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                CPU SPEED SELECTION (INTEL)                 |
   |------------------------------------------------------------|
   |  CPU   | Clock |Multiplier|  JC1  |  JC2  | JC3 | JS1 |JS2 |
   | speed  | speed |          |       |       |     |     |    |
   |--------+-------+----------+-------+-------+-----+-----+----|
   | 75MHz  | 50MHz |   1.5x   |Closed |Closed |1 & 2|2 & 3|2 & |
   |        |       |          |       |       |     |     | 3  |
   |--------+-------+----------+-------+-------+-----+-----+----|
   | 90MHz  | 60MHz |   1.5x   |Closed | Open  |2 & 3|2 & 3|2 & |
   |        |       |          |       |       |     |     | 3  |
   |--------+-------+----------+-------+-------+-----+-----+----|
   | 100MHz | 66MHz |   1.5x   | Open  |Closed |2 & 3|2 & 3|2 & |
   |        |       |          |       |       |     |     | 3  |
   |--------+-------+----------+-------+-------+-----+-----+----|
   | 120MHz | 60MHz |    2x    |Closed | Open  |2 & 3|2 & 3|1 & |
   |        |       |          |       |       |     |     | 2  |
   |--------+-------+----------+-------+-------+-----+-----+----|
   | 133MHz | 66MHz |    2x    | Open  |Closed |2 & 3|2 & 3|1 & |
   |        |       |          |       |       |     |     | 2  |
   |--------+-------+----------+-------+-------+-----+-----+----|
   | 150MHz | 60MHz |   2.5x   |Closed | Open  |2 & 3|1 & 2|1 & |
   |        |       |          |       |       |     |     | 2  |
   |--------+-------+----------+-------+-------+-----+-----+----|
   | 166MHz | 66MHz |   2.5x   | Open  |Closed |2 & 3|1 & 2|1 & |
   |        |       |          |       |       |     |     | 2  |
   |--------+-------+----------+-------+-------+-----+-----+----|
   | 180MHz | 60MHz |    3x    |Closed | Open  |2 & 3|1 & 2|2 & |
   |        |       |          |       |       |     |     | 3  |
   |--------+-------+----------+-------+-------+-----+-----+----|
   | 200MHz | 66MHz |    3x    | Open  |Closed |2 & 3|1 & 2|2 & |
   |        |       |          |       |       |     |     | 3  |
   |------------------------------------------------------------|
   |     Note: Pins designated should be in the closed position.|
   |     JC3 sets AT bus clock. Pins 1 & 2 are for PCICLK/3 &   |
   |     pins 2 & 3 are for PCICLK/4.                           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     CPU TYPE SELECTION                     |
   |------------------------------------------------------------|
   |        Type        |        JV1        |        JV2        |
   |--------------------+-------------------+-------------------|
   |    P54C/P54CTB     |      Closed       |      Closed       |
   |--------------------+-------------------+-------------------|
   |        P55C        |       Open        |       Open        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   DMA CHANNEL SELECTION                    |
   |------------------------------------------------------------|
   |     Channel      |        JP7         |        JP8         |
   |------------------+--------------------+--------------------|
   |        0         | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |        1         | Pins 3 & 4 closed  | Pins 3 & 4 closed  |
   |------------------+--------------------+--------------------|
   |        3         | Pins 5 & 6 closed  | Pins 5 & 6 closed  |
   +------------------------------------------------------------+