ADVANCED INTEGRATION RESEARCH, INC.
===================================

   54CPI (REV. 2.00)

   Processor        Pentium                                       
   Processor Speed  75/90/100/120/133/150/166MHz                  
   Chip Set         Intel                                         
   Video Chip Set   None                                          
   Maximum Onboard  128MB                                         
   Memory           
   Maximum Video    None                                          
   Memory           
   Cache            256/512KB                                     
   BIOS             Unidentified                                  
   Dimensions       305mm 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), cache slot                         
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/A-B/33692-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN1    | Reset switch     |    J2    |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |   CN2    | Speaker          |    J3    |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN3    | IDE interface    |    J4    |
   |                   |          | LED              |          |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   CN4    | Power LED &      |    J5    |
   | interface         |          | keylock          |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 2   |   CN5    | Turbo LED        |    J6    |
   |-------------------+----------+------------------+----------|
   | IDE interface 1   |   CN6    | Cache slot       |   SL1    |
   |-------------------+----------+------------------+----------|
   | PS/2 mouse        |   CN7    | 32-bit PCI slots |  PC1 -   |
   | interface         |          |                  |   PC4    |
   |-------------------+----------+------------------+----------|
   | Green PC          |    J1    |                  |          |
   | connector         |          |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |>> | Parallel port IRQ select IRQ7     |  JS5  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Parallel port IRQ select IRQ5     |  JS5  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Monitor type select               | JS15  |    Open    |
   |   | monochrome/EGA/VGA                |       |            |
   |---+-----------------------------------+-------+------------|
   |   | Monitor type select CGA           | JS15  |   Closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Flash BIOS voltage select 12v     | JS17  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Flash BIOS voltage select 5v      | JS17  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | CMOS memory normal operation      | JS18  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | CMOS memory clear                 | JS18  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Pipeline cache mode disabled      | JS22  |    Open    |
   |---+-----------------------------------+-------+------------|
   |   | Pipeline cache mode enabled       | JS22  |   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) 1M x 36     |    (2) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 4M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 2M x 36     |    (2) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       40MB       |    (2) 1M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       48MB       |    (2) 2M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 8M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 4M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       72MB       |    (2) 1M x 36     |    (2) 8M x 36     |
   |------------------+--------------------+--------------------|
   |       80MB       |    (2) 2M x 36     |    (2) 8M x 36     |
   |------------------+--------------------+--------------------|
   |       96MB       |    (2) 4M x 36     |    (2) 8M x 36     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (2) 8M x 36     |    (2) 8M x 36     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |   Size    |   Bank 0    |     TAG     |        SL1         |
   |-----------+-------------+-------------+--------------------|
   | 256KB (A) | (8) 32K x 8 | (1) 32K x 8 |   Not installed    |
   |-----------+-------------+-------------+--------------------|
   | 256KB (B) |    None     |    None     |    256KB module    |
   |           |             |             |     installed      |
   |-----------+-------------+-------------+--------------------|
   | 512KB (A) | (8) 64K x 8 | (1) 32K x 8 |   Not installed    |
   |-----------+-------------+-------------+--------------------|
   | 512KB (B) |    None     |    None     |    512KB module    |
   |           |             |             |     installed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |   Size    |    JS16    |   JS19    |   JS20    |   JS21    |
   |-----------+------------+-----------+-----------+-----------|
   | 256KB (A) | Pins 1 & 2 | Pins 2 &  | Pins 1 &  | Pins 1 &  |
   |           |   closed   | 3 closed  | 2 closed  | 2 closed  |
   |-----------+------------+-----------+-----------+-----------|
   | 256KB (B) | Pins 2 & 3 | Pins 2 &  | Pins 2 &  | Pins 2 &  |
   |           |   closed   | 3 closed  | 3 closed  | 3 closed  |
   |-----------+------------+-----------+-----------+-----------|
   | 512KB (A) | Pins 2 & 3 | Pins 1 &  | Pins 1 &  | Pins 2 &  |
   |           |   closed   | 2 closed  | 2 closed  | 3 closed  |
   |-----------+------------+-----------+-----------+-----------|
   | 512KB (B) | Pins 2 & 3 | Pins 2 &  | Pins 2 &  | Pins 2 &  |
   |           |   closed   | 3 closed  | 3 closed  | 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                CACHE VOLTAGE CONFIGURATION                 |
   |------------------------------------------------------------|
   |   Voltage    |   JS12    |   JS13    |   JS23   |   JS24   |
   |--------------+-----------+-----------+----------+----------|
   |>> |  Mixed   |  Closed   |  Closed   |   Open   |   Open   |
   |---+----------+-----------+-----------+----------+----------|
   |   |   3.3v   |   Open    |   Open    |  Closed  |  Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |CPU speed|  Clock  |Multiplier| JS9 |JS10 |JS11 |JS25 |JS32 |
   |         |  speed  |          |     |     |     |     |     |
   |---------+---------+----------+-----+-----+-----+-----+-----|
   |  75MHz  |  50MHz  |   1.5x   |1 & 2|2 & 3|1 & 2|1 & 2|1 & 2|
   |---------+---------+----------+-----+-----+-----+-----+-----|
   |  90MHz  |  60MHz  |   1.5x   |1 & 2|1 & 2|2 & 3|1 & 2|1 & 2|
   |---------+---------+----------+-----+-----+-----+-----+-----|
   | 100MHz  |  66MHz  |   1.5x   |2 & 3|2 & 3|2 & 3|1 & 2|1 & 2|
   |---------+---------+----------+-----+-----+-----+-----+-----|
   | 120MHz  |  60MHz  |    2x    |1 & 2|1 & 2|2 & 3|1 & 2|2 & 3|
   |---------+---------+----------+-----+-----+-----+-----+-----|
   | 133MHz  |  66MHz  |    2x    |2 & 3|2 & 3|2 & 3|1 & 2|2 & 3|
   |---------+---------+----------+-----+-----+-----+-----+-----|
   | 150MHz  |  60MHz  |   2.5x   |1 & 2|1 & 2|2 & 3|2 & 3|2 & 3|
   |---------+---------+----------+-----+-----+-----+-----+-----|
   | 166MHz  |  66MHz  |   2.5x   |2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|
   |------------------------------------------------------------|
   |Note: Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU VOLTAGE SELECTION                    |
   |------------------------------------------------------------|
   |          Voltage           |             JS31              |
   |----------------------------+-------------------------------|
   |>> |         STD/VR         |       Pins 2 & 3 closed       |
   |---+------------------------+-------------------------------|
   |   |          VRE           |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   DMA CHANNEL SELECTION                    |
   |------------------------------------------------------------|
   |  Channel   |  JS1   |        JS7        |       JS8        |
   |------------+--------+-------------------+------------------|
   |>> | Normal |  Open  |       Open        |       Open       |
   |---+--------+--------+-------------------+------------------|
   |   |   1    | Closed | Pins 2 & 3 closed |    Pins 2 & 3    |
   |   |        |        |                   |      closed      |
   |---+--------+--------+-------------------+------------------|
   |   |   3    | Closed | Pins 1 & 2 closed |    Pins 1 & 2    |
   |   |        |        |                   |      closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   FLOPPY DRIVE SELECTION                   |
   |------------------------------------------------------------|
   |       Setting        |      JS2       |        JS6         |
   |----------------------+----------------+--------------------|
   |>> |      Normal      |      Open      |        Open        |
   |---+------------------+----------------+--------------------|
   |   |     Enhanced     |     Closed     | Pins 2 & 3 closed  |
   +------------------------------------------------------------+