(TXT) View Source
       
       # DATAEXPERT CORPORATION
       
          AIO8554
       
          Device Type      Mainboard                                     
          Processor        Pentium                                       
          Processor Speed  75/90/100/120/133MHz                          
          Chip Set         Unidentified                                  
          Video Chip Set   Unidentified                                  
          Maximum Onboard  128MB                                         
          Memory           
          Maximum Video    2MB                                           
          Memory           
          Cache            256/512KB                                     
          BIOS             AMI                                           
          Dimensions       330mm x 210mm                                 
          I/O Options      Floppy drive interface, green PC connector,   
                           IDE interfaces (2), parallel port, PS/2 mouse 
                           port, serial ports (2), VGA feature           
                           connector, VGA port, riser slot, wavetable    
                           connector, audio in – CD-ROMs (3), MIDI       
                           connector                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose        | Location | Purpose             | Location |
          |----------------+----------+---------------------+----------|
          | Serial port 1  |    J1    | Audio in – CD-ROM   |   J14    |
          |                |          | (Panasonic)         |          |
          |----------------+----------+---------------------+----------|
          | Serial port 2  |    J2    | Audio in – CD-ROM   |   J15    |
          |                |          | (Sony)              |          |
          |----------------+----------+---------------------+----------|
          | Parallel port  |    J3    | Audio in –          |   J16    |
          |                |          | CD-ROM(Mitsumi)     |          |
          |----------------+----------+---------------------+----------|
          | VGA port       |    J4    | Reset switch        |   J17    |
          |----------------+----------+---------------------+----------|
          | External       |    J6    | Turbo LED           |   J18    |
          | battery        |          |                     |          |
          |----------------+----------+---------------------+----------|
          | VGA feature    |    J7    | Turbo switch        |   J19    |
          | connector      |          |                     |          |
          |----------------+----------+---------------------+----------|
          | IDE interface  |    J8    | Speaker             |   J20    |
          | 1              |          |                     |          |
          |----------------+----------+---------------------+----------|
          | IDE interface  |    J9    | Power LED & keylock |   J21    |
          | 2              |          |                     |          |
          |----------------+----------+---------------------+----------|
          | IDE interface  |   J10    | Green PC connector  |   JP18   |
          | LED            |          |                     |          |
          |----------------+----------+---------------------+----------|
          | IDE interface  |   J11    | MIDI connector      |   JP38   |
          | LED            |          |                     |          |
          |----------------+----------+---------------------+----------|
          | Floppy drive   |   J12    | PS/2 mouse port     |    M1    |
          | interface      |          |                     |          |
          |----------------+----------+---------------------+----------|
          | Wavetable      |   J13    | Riser slot          |   SL1    |
          | connector      |          |                     |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Label |  Position  |
          |---------------------------------------+-------+------------|
          | » | CMOS memory normal operation      | JP11  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | CMOS memory clear                 | JP11  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | CMOS memory normal operation      | JP12  |    Open    |
          |   | (12887A clock only)               |       |            |
          |---+-----------------------------------+-------+------------|
          |   | CMOS memory clear (12887A clock   | JP12  |   Closed   |
          |   | only)                             |       |            |
          |---+-----------------------------------+-------+------------|
          |   | Printer mode select standard      | JP15  |   Closed   |
          |---+-----------------------------------+-------+------------|
          |   | Printer mode select EPP/ECP       | JP15  |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | Feature function disabled         | JP40  |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | Feature function enabled          | JP40  |   Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SIMM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       2MB        |   (2) 256K x 36    |        None        |
          |------------------+--------------------+--------------------|
          |       4MB        |   (2) 512K x 36    |        None        |
          |------------------+--------------------+--------------------|
          |       4MB        |   (2) 256K x 36    |   (2) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       6MB        |   (2) 512K x 36    |   (2) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       8MB        |    (2) 1M x 36     |        None        |
          |------------------+--------------------+--------------------|
          |       8MB        |   (2) 512K x 36    |   (2) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       10MB       |    (2) 1M x 36     |   (2) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       12MB       |   (2) 512K x 36    |    (2) 1M x 36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SIMM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       16MB       |    (2) 2M x 36     |        None        |
          |------------------+--------------------+--------------------|
          |       16MB       |    (2) 1M x 36     |    (2) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       18MB       |    (2) 2M x 36     |   (2) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       20MB       |   (2) 512K x 36    |    (2) 2M 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     |
          |------------------+--------------------+--------------------|
          |       34MB       |    (2) 4M x 36     |   (2) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       36MB       |   (2) 512K x 36    |    (2) 4M x 36     |
          |------------------+--------------------+--------------------|
          |       40MB       |    (2) 4M x 36     |    (2) 1M 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     |
          |------------------+--------------------+--------------------|
          |       66MB       |    (2) 8M x 36     |   (2) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       68MB       |   (2) 512K x 36    |    (2) 8M x 36     |
          |------------------+--------------------+--------------------|
          |       72MB       |    (2) 8M x 36     |    (2) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       80MB       |    (2) 2M x 36     |    (2) 8M x 36     |
          |------------------+--------------------+--------------------|
          |       96MB       |    (2) 8M x 36     |    (2) 4M x 36     |
          |------------------+--------------------+--------------------|
          |      128MB       |    (2) 8M x 36     |    (2) 8M x 36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |   Size    |  Bank 0   | Bank 1  | Bank 2  |      TAG       |
          |-----------+-----------+---------+---------+----------------|
          | 256KB (A) |   None    |  None   | (2) 32K |  Unidentified  |
          |           |           |         |  x 36   |                |
          |-----------+-----------+---------+---------+----------------|
          | 256KB (B) | (2) 32K x |  None   |  None   | (1) 8K/16K/32K |
          |           |    32     |         |         |      x 8       |
          |-----------+-----------+---------+---------+----------------|
          |   512KB   | (2) 32K x | (2) 32K |  None   | (1) 16K/32K x  |
          |           |    32     |  x 32   |         |       8        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |        Size        |       JP22       |        JP31        |
          |--------------------+------------------+--------------------|
          |     256KB (B)      |       Open       | Pins 1 & 2 closed  |
          |--------------------+------------------+--------------------|
          |       512KB        |      Closed      | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VIDEO MEMORY CONFIGURATION                 |
          |------------------------------------------------------------|
          | Note: The video chips sizes are unidentified.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          |CPU speed|Clock speed|Multiplier| JP24  | JP27  | JP29 |JP30|
          |---------+-----------+----------+-------+-------+------+----|
          |  75MHz  |   50MHz   |   1.5x   | Open  | Open  | Open |Open|
          |---------+-----------+----------+-------+-------+------+----|
          |  90MHz  |   60MHz   |   1.5x   |Closed | Open  | Open |Open|
          |---------+-----------+----------+-------+-------+------+----|
          | 100MHz  |   66MHz   |   1.5x   |Closed |Closed | Open |Open|
          |---------+-----------+----------+-------+-------+------+----|
          | 120MHz  |   60MHz   |    2x    |Closed | Open  |Closed|Open|
          |---------+-----------+----------+-------+-------+------+----|
          | 133MHz  |   66MHz   |    2x    |Closed |Closed |Closed|Open|
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DMA CHANNEL SELECTION                    |
          |------------------------------------------------------------|
          |     Channel      |        JP13        |        JP14        |
          |------------------+--------------------+--------------------|
          |        1         | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |        3         | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+