(TXT) View Source
       
       # DELL COMPUTER CORPORATION
       
          DIMENSION XPS XXX MDT II
       
       Device     Mainboard                                                     
       Type       
       Processor  80486SX/80486DX/80486DX2/80486DX4/P24T                        
       Processor  25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz 
       Speed      
       Chip Set   Unidentified                                                  
       Maximum    64MB                                                          
       Onboard    
       Memory     
       Cache      256KB                                                         
       BIOS       Unidentified                                                  
       Dimensions 330mm x 218mm                                                 
       I/O        32-bit VESA local bus slots (2), floppy drive interface, IDE  
       Options    interfaces (2), parallel port, PS/2 mouse port, serial ports  
                  (2)                                                           
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Turbo LED         |    C1    | Serial port 1    |   CN2    |
          |-------------------+----------+------------------+----------|
          | Turbo switch      |    C2    | IDE interface 2  |   CN3    |
          |-------------------+----------+------------------+----------|
          | Speaker           |    C3    | IDE interface 1  |   CN4    |
          |-------------------+----------+------------------+----------|
          | Reset switch      |    C4    | Floppy drive     |   CN5    |
          |                   |          | interface        |          |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    C5    | PS/2 mouse port  |   J13    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |    C6    | Parallel port    |   J16    |
          |-------------------+----------+------------------+----------|
          | Serial port 2     |   CN1    | 32-bit VESA      |  SL1 &   |
          |                   |          | local bus slots  |   SL2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                USER CONFIGURABLE SETTINGS                 ||
          |-----------------------------------------------------------||
          |               Function               | Label |  Position  ||
          |--------------------------------------+-------+------------||
          | » | Factory configured - do not      |  W1   |   Closed   ||
          |   | alter                            |       |            ||
          |---+----------------------------------+-------+------------||
          | » | Monitor type select color        |  W2   |   Closed   ||
          |---+----------------------------------+-------+------------||
          |   | Monitor type select monochrome   |  W2   |    Open    ||
          |---+----------------------------------+-------+------------||
          | » | PS/2 mouse IRQ12 enabled         |  W3   |   Closed   ||
          |---+----------------------------------+-------+------------||
          |   | PS/2 mouse IRQ12 disabled        |  W3   |    Open    ||
          |---+----------------------------------+-------+------------||
          | » | CMOS memory normal operation     |  W5   |    Open    ||
          |---+----------------------------------+-------+------------||
          |   | CMOS memory clear                |  W5   |   Closed   ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W8   | Pins 1 & 2 ||
          |   | alter                            |       |   closed   ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W10  | Pins 1 & 2 ||
          |   | alter                            |       |   closed   ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W11  | Pins 1 & 2 ||
          |   | alter                            |       |   closed   ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W13  |    Open    ||
          |   | alter                            |       |            ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W16  | Pins 1 & 2 ||
          |   | alter                            |       |   closed   ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W17  | Pins 1 & 2 ||
          |   | alter                            |       |   closed   ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W18  |    Open    ||
          |   | alter                            |       |            ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W19  |   Closed   ||
          |   | alter                            |       |            ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W22  | Pins 1 & 2 ||
          |   | alter                            |       |   closed   ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W23  | Pins 1 & 2 ||
          |   | alter                            |       |   closed   ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W24  | Pins 1 & 2 ||
          |   | alter                            |       |   closed   ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W25  |    Open    ||
          |   | alter                            |       |            ||
          |---+----------------------------------+-------+------------||
          | » | IDE interface 1 enabled          |  W34  | Pins 2 & 3 ||
          |   |                                  |       |   closed   ||
          |---+----------------------------------+-------+------------||
          |   | IDE interface 1 disabled         |  W34  | Pins 1 & 2 ||
          |   |                                  |       |   closed   ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W35  |    Open    ||
          |   | alter                            |       |            ||
          |---+----------------------------------+-------+------------||
          | » | Parallel port IRQ select IRQ7    |  W36  | Pins 2 & 3 ||
          |   |                                  |       |   closed   ||
          |---+----------------------------------+-------+------------||
          |   | Parallel port IRQ select IRQ5    |  W36  | Pins 1 & 2 ||
          |   |                                  |       |   closed   ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W39  |    Open    ||
          |   | alter                            |       |            ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      |  W40  |    Open    ||
          |   | alter                            |       |            ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      | SW1/2 |     On     ||
          |   | alter                            |       |            ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      | SW1/3 |    Off     ||
          |   | alter                            |       |            ||
          |---+----------------------------------+-------+------------||
          | » | Factory configured - do not      | SW1/4 |    Off     ||
          |   | alter                            |       |            ||
          |------------------------------------------------------------|
          | Note: The location of the factory configured jumpers are   |
          | unidentified.                                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SIMM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 1M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 1M x 36 | (1) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 12MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 4M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 4M x 36 | (1) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 4M x 36 | (1) 1M x 36 |  (1) 1M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 28MB | (1) 4M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 4M x 36 | (1) 4M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 36MB | (1) 1M x 36 | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 52MB | (1) 1M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 64MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |            Bank 0             |
          |----------------------------+-------------------------------|
          |           256KB            |          (8) 32K x 8          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          |             Speed             |           SW1/1            |
          |-------------------------------+----------------------------|
          |             25MHz             |            Off             |
          |-------------------------------+----------------------------|
          |             33MHz             |             On             |
          |-------------------------------+----------------------------|
          |            50iMHz             |            Off             |
          |-------------------------------+----------------------------|
          |            66iMHz             |             On             |
          |-------------------------------+----------------------------|
          |            75iMHz             |            Off             |
          |-------------------------------+----------------------------|
          |            100iMHz            |             On             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     CPU TYPE SELECTION                     |
          |------------------------------------------------------------|
          |            Type            |              W12              |
          |----------------------------+-------------------------------|
          |          80486SX           |       Pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |          80486DX           |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |          80486DX2          |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |          80486DX4          |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            P24T            |       Pins 1 & 2 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DMA CHANNEL SELECTION                    |
          |------------------------------------------------------------|
          |     Channel      |        W37         |        W38         |
          |------------------+--------------------+--------------------|
          |        1         | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |       » 3        | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          +------------------------------------------------------------+