ABIT COMPUTER CORPORATION
=========================

   AB-AX5

   Processor        CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium 
   Processor Speed  100/120/133/150/166/180/200/233/266/300MHz    
   Chip Set         Intel                                         
   Video Chip Set   None                                          
   Maximum Onboard  256MB (EDO supported)                         
   Memory           
   Maximum Video    1MB                                           
   Memory           
   Cache            512KB                                         
   BIOS             Award                                         
   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), IR connector, USB connectors (2), ATX    
                    power connector                               
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/A-B/34656-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose        |  Location  |
   |-------------------+----------+----------------+------------|
   | ATX power         |   ATX    | CPU fan power  |    FAN1    |
   | connector         |          |                |            |
   |-------------------+----------+----------------+------------|
   | Parallel port     |   CN1    | IR connector   |    IR1     |
   |-------------------+----------+----------------+------------|
   | Serial port 2     |   CN2    | 32-bit PCI     | PC1 - PC4  |
   |                   |          | slots          |            |
   |-------------------+----------+----------------+------------|
   | Serial port 1     |   CN3    | Power LED &    | PN1/pins 1 |
   |                   |          | keylock        |    - 5     |
   |-------------------+----------+----------------+------------|
   | USB connector     |   CN4    | IDE interface  | PN1/pins 7 |
   |                   |          | LED            |    & 8     |
   |-------------------+----------+----------------+------------|
   | USB connector     |   CN5    | Soft off power |  PN1/pins  |
   |                   |          | supply         |  10 & 11   |
   |-------------------+----------+----------------+------------|
   | PS/2 mouse port   |   CN6    | Green PC       |  PN1/pins  |
   |                   |          | connector      |  13 & 14   |
   |-------------------+----------+----------------+------------|
   | Floppy drive      |   CN7    | Reset switch   | PN2/pins 1 |
   | interface         |          |                |    & 2     |
   |-------------------+----------+----------------+------------|
   | IDE interface 2   |   CN8    | Speaker        | PN2/pins 4 |
   |                   |          |                |    - 7     |
   |-------------------+----------+----------------+------------|
   | IDE interface 1   |   CN9    | Green PC LED   | PN2/pins 9 |
   |                   |          |                |    & 10    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function             | Label |    Position     |
   |----------------------------------+-------+-----------------|
   |>> | CMOS memory normal operation | CMOS  |   Pins 1 & 2    |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |   | CMOS memory clear            | CMOS  |   Pins 2 & 3    |
   |   |                              |       |     closed      |
   |------------------------------------------------------------|
   | Note: The location of CMOS is unidentified.                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SIMM 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     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (2) 16M x 36    |        None        |
   |------------------+--------------------+--------------------|
   |      136MB       |    (2) 16M x 36    |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |      144MB       |    (2) 16M x 36    |    (2) 2M x 36     |
   |------------------+--------------------+--------------------|
   |      160MB       |    (2) 16M x 36    |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |      192MB       |    (2) 16M x 36    |    (2) 8M x 36     |
   |------------------+--------------------+--------------------|
   |      256MB       |    (2) 16M x 36    |    (2) 16M x 36    |
   |------------------------------------------------------------|
   | Note: Board accepts EDO memory.                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 2     |    Bank 3     |    Bank 4     |
   |------------+---------------+---------------+---------------|
   |    8MB     |  (1) 1M x 64  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |    16MB    |  (1) 2M x 64  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |    16MB    |  (1) 1M x 64  |  (1) 1M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    24MB    |  (1) 2M x 64  |  (1) 1M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    24MB    |  (1) 1M x 64  |  (1) 1M x 64  |  (1) 1M x 64  |
   |------------+---------------+---------------+---------------|
   |    32MB    |  (1) 4M x 64  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |    32MB    |  (1) 2M x 64  |  (1) 2M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    40MB    |  (1) 4M x 64  |  (1) 1M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    48MB    |  (1) 4M x 64  |  (1) 2M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    48MB    |  (1) 2M x 64  |  (1) 2M x 64  |  (1) 2M x 64  |
   |------------+---------------+---------------+---------------|
   |    64MB    |  (1) 8M x 64  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |    64MB    |  (1) 4M x 64  |  (1) 4M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    72MB    |  (1) 8M x 64  |  (1) 1M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    80MB    |  (1) 8M x 64  |  (1) 2M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    96MB    |  (1) 8M x 64  |  (1) 4M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |    96MB    |  (1) 4M x 64  |  (1) 4M x 64  |  (1) 4M x 64  |
   |------------+---------------+---------------+---------------|
   |   128MB    | (1) 16M x 64  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |   128MB    |  (1) 8M x 64  |  (1) 8M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |   136MB    | (1) 16M x 64  |  (1) 1M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |   144MB    | (1) 16M x 64  |  (1) 2M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |   160MB    | (1) 16M x 64  |  (1) 4M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |   192MB    | (1) 16M x 64  |  (1) 8M x 64  |     None      |
   |------------+---------------+---------------+---------------|
   |   192MB    |  (1) 8M x 64  |  (1) 8M x 64  |  (1) 8M x 64  |
   |------------+---------------+---------------+---------------|
   |   256MB    | (1) 16M x 64  | (1) 16M x 64  |     None      |
   |------------------------------------------------------------|
   |      Note: Board accepts EDO memory.                       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |            Bank 0             |
   |----------------------------+-------------------------------|
   |           512KB            |         (2) 64K x 32          |
   +------------------------------------------------------------+