DELL COMPUTER CORPORATION
=========================

   DIMENSION XPS PXXXC

   Processor        Pentium                                       
   Processor Speed  90/100/120/133/150/166MHz                     
   Chip Set         Intel                                         
   Video Chip Set   None                                          
   Maximum Onboard  128MB (EDO supported)                         
   Memory           
   Maximum Video    None                                          
   Memory           
   Cache            256/512KB                                     
   BIOS             Unidentified                                  
   Dimensions       330mm x 218mm                                 
   I/O Options      32-bit PCI slots (4), floppy drive interface, 
                    IDE interfaces (2), parallel port, PS/2 mouse 
                    port, serial ports (2), cache slot, ATX power 
                    connector                                     
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/C-D/34398-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | ATX power         |   ATX    | PS/2 mouse port  |   CN1    |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Chassis fan power |    C1    | Serial port 2    |   CN2    |
   |-------------------+----------+------------------+----------|
   | Speaker           |    C2    | Serial port 1    |   CN3    |
   |-------------------+----------+------------------+----------|
   | Turbo LED         |    C3    | Parallel port    |   CN4    |
   |-------------------+----------+------------------+----------|
   | IDE interface LED |    C4    | IDE interface 1  |   CN5    |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    C5    | IDE interface 2  |   CN6    |
   | keylock           |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Reset switch      |    C6    | Floppy drive     |   CN7    |
   |                   |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | Soft off power    |    C7    | 32-bit PCI slots |  PC1 -   |
   | supply            |          |                  |   PC4    |
   |-------------------+----------+------------------+----------|
   | Chassis fan power |    C8    | Cache slot       |   SL1    |
   |-------------------+----------+------------------+----------|
   | Auxiliary LED     |    C9    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Setup access enabled            |  J1D  |  Pins 2 & 3  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Setup access disabled           |  J1D  |  Pins 1 & 2  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | CMOS memory normal operation    |  J1E  |  Pins 2 & 3  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | CMOS memory clear               |  J1E  |  Pins 1 & 2  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Password enabled                |  J1F  |  Pins 2 & 3  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Password disabled               |  J1F  |  Pins 1 & 2  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  J1G  |  Pins 2 & 3  |
   |   | alter                           |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  J1J  | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  C2   | Unidentified |
   |   | alter                           |       |              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       8MB        |    (2) 1M x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2) 2M x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2) 1M x 32     |    (2) 1M x 32     |
   |------------------+--------------------+--------------------|
   |       24MB       |    (2) 2M x 32     |    (2) 1M x 32     |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 4M x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 2M x 32     |    (2) 2M x 32     |
   |------------------+--------------------+--------------------|
   |       40MB       |    (2) 4M x 32     |    (2) 1M x 32     |
   |------------------+--------------------+--------------------|
   |       48MB       |    (2) 4M x 32     |    (2) 2M x 32     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 8M x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 4M x 32     |    (2) 4M x 32     |
   |------------------+--------------------+--------------------|
   |       72MB       |    (2) 8M x 32     |    (2) 1M x 32     |
   |------------------+--------------------+--------------------|
   |       80MB       |    (2) 8M x 32     |    (2) 2M x 32     |
   |------------------+--------------------+--------------------|
   |       96MB       |    (2) 8M x 32     |    (2) 4M x 32     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (2) 8M x 32     |    (2) 8M x 32     |
   |------------------------------------------------------------|
   | Note: Board accepts EDO memory.                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |              SL1              |
   |----------------------------+-------------------------------|
   |           256KB            |    256KB module installed     |
   |----------------------------+-------------------------------|
   |           512KB            |    512KB module installed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |   CPU   | Clock | Multiplier | J1A | J1B | J1C | J1H | J1I |
   |  speed  | speed |            |     |     |     |     |     |
   |---------+-------+------------+-----+-----+-----+-----+-----|
   |  90MHz  | 60MHz |    1.5x    | 1 & | 1 & | 2 & | 1 & | 2 & |
   |         |       |            |  2  |  2  |  3  |  2  |  3  |
   |---------+-------+------------+-----+-----+-----+-----+-----|
   | 100MHz  | 66MHz |    1.5x    | 2 & | 2 & | 2 & | 2 & | 2 & |
   |         |       |            |  3  |  3  |  3  |  3  |  3  |
   |---------+-------+------------+-----+-----+-----+-----+-----|
   | 120MHz  | 60MHz |     2x     | 1 & | 1 & | 1 & | 2 & | 2 & |
   |         |       |            |  2  |  2  |  2  |  3  |  3  |
   |---------+-------+------------+-----+-----+-----+-----+-----|
   | 133MHz  | 66MHz |     2x     | 2 & | 2 & | 1 & | 2 & | 2 & |
   |         |       |            |  3  |  3  |  2  |  3  |  3  |
   |---------+-------+------------+-----+-----+-----+-----+-----|
   | 150MHz  | 60MHz |    2.5x    | 1 & | 1 & | 1 & | 2 & | 1 & |
   |         |       |            |  2  |  2  |  2  |  3  |  2  |
   |---------+-------+------------+-----+-----+-----+-----+-----|
   | 166MHz  | 66MHz |    2.5x    | 2 & | 2 & | 1 & | 2 & | 1 & |
   |         |       |            |  3  |  3  |  2  |  3  |  2  |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+