(TXT) View Source
       
       # I-BUS
       
          THRESHER
       
          Processor        Pentium Pro                                   
          Processor Speed  150/166/180/200MHz                            
          Chip Set         Unidentified                                  
          Video Chip Set   None                                          
          Maximum Onboard  512MB (EDO supported)                         
          Memory           
          Maximum Video    None                                          
          Memory           
          Cache            256/512KB (located on Pentium Pro CPU)        
          BIOS             Award                                         
          Dimensions       Unidentified                                  
          I/O Options      Floppy drive interface, IDE interface,        
                           parallel port, PS/2 mouse port, serial ports  
                           (2), VRM connector, USB connector             
          NPU Options      None                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |    J1    | Auxiliary        |    J9    |
          |                   |          | keyboard         |          |
          |                   |          | connector        |          |
          |-------------------+----------+------------------+----------|
          | IDE interface     |    J2    | Reset switch     |   J10    |
          |-------------------+----------+------------------+----------|
          | Floppy drive      |    J3    | USB connector    |   J11    |
          | interface         |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Chassis fan power |    J4    | Speaker          |   J12    |
          |-------------------+----------+------------------+----------|
          | Parallel port     |    J5    | External battery |   J18    |
          |-------------------+----------+------------------+----------|
          | Serial port 1     |    J6    | PS/2 mouse port  |   J19    |
          |-------------------+----------+------------------+----------|
          | Serial port 2     |    J7    | VRM connector    |   VRM    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Label |   Position   |
          |-------------------------------------+-------+--------------|
          |   | Flash BIOS write protect        |  J8   |     Open     |
          |   | disabled                        |       |              |
          |---+---------------------------------+-------+--------------|
          |   | Flash BIOS write protect        |  J8   |    Closed    |
          |   | enabled                         |       |              |
          |---+---------------------------------+-------+--------------|
          |   | On board speaker enabled        |  J12  |  Pins 1 & 2  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | On board speaker disabled       |  J12  |     Open     |
          |---+---------------------------------+-------+--------------|
          |   | External speaker enabled        |  J12  |    Closed    |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  J15  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          |   | Watch dog timer enabled         |  J17  |    Closed    |
          |---+---------------------------------+-------+--------------|
          |   | Watch dog timer disabled        |  J17  |     Open     |
          |---+---------------------------------+-------+--------------|
          |   | On board speaker enabled        |  J18  |  Pins 3 & 4  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | On board speaker disabled       |  J18  |     Open     |
          |---+---------------------------------+-------+--------------|
          |   | External speaker enabled        |  J18  |    Closed    |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  J22  | Unidentified |
          |   | alter                           |       |              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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) 16M x 36    |        None        |
          |------------------+--------------------+--------------------|
          |      128MB       |    (2) 8M x 36     |    (2) 8M x 36     |
          |------------------+--------------------+--------------------|
          |      136MB       |    (2) 1M x 36     |    (2) 16M x 36    |
          |------------------+--------------------+--------------------|
          |      144MB       |    (2) 2M x 36     |    (2) 16M x 36    |
          |------------------+--------------------+--------------------|
          |      160MB       |    (2) 4M x 36     |    (2) 16M x 36    |
          |------------------+--------------------+--------------------|
          |      192MB       |    (2) 8M x 36     |    (2) 16M x 36    |
          |------------------+--------------------+--------------------|
          |      256MB       |    (2) 16M x 36    |    (2) 16M x 36    |
          |------------------+--------------------+--------------------|
          |      512MB       |    (2) 32M x 36    |    (2) 32M x 36    |
          |------------------------------------------------------------|
          | Note: Board accepts EDO memory.                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Note: 256KB/512KB cache is located on the Pentium Pro CPU. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          |   CPU   | Clock  | Multiplier |  J13  |  J14  |    J21     |
          |  speed  | speed  |            |       |       |            |
          |---------+--------+------------+-------+-------+------------|
          | 150MHz  | 60MHz  |    2.5x    | 1 & 3 | 2 & 4 | 3 & 4, 5 & |
          |         |        |            |       |       |  6, 7 & 8  |
          |---------+--------+------------+-------+-------+------------|
          | 166MHz  | 66MHz  |    2.5x    | 2 & 4 | 1 & 3 | 3 & 4, 5 & |
          |         |        |            |       |       |  6, 7 & 8  |
          |---------+--------+------------+-------+-------+------------|
          | 180MHz  | 60MHz  |     3x     | 1 & 3 | 2 & 4 | 1 & 2, 3 & |
          |         |        |            |       |       |  4, 7 & 8  |
          |---------+--------+------------+-------+-------+------------|
          | 200MHz  | 66MHz  |     3x     | 2 & 4 | 1 & 3 | 1 & 2, 3 & |
          |         |        |            |       |       |  4, 7 & 8  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             WATCH DOG TIMER/ISA BUS SELECTION              |
          |------------------------------------------------------------|
          |             Setting             |           J20            |
          |---------------------------------+--------------------------|
          | » |   IRQ11 for ISA bus only    |    Pins 3 & 4 closed     |
          |---+-----------------------------+--------------------------|
          |   |  IRQ11 for watch dog timer  | Pins 1 & 3, 2 & 4 closed |
          |   |         and ISA bus         |                          |
          |---+-----------------------------+--------------------------|
          |   |  IRQ11 for watch dog timer  |    Pins 1 & 3 closed     |
          |   |            only             |                          |
          +------------------------------------------------------------+