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

   DIMENSION XPS PRO XXXN

   Processor        Pentium Pro                                   
   Processor Speed  150/180/200MHz                                
   Chip Set         Intel                                         
   Video Chip Set   None                                          
   Maximum Onboard  128MB (EDO supported)                         
   Memory           
   Maximum Video    None                                          
   Memory           
   Cache            256/512KB (located on Pentium Pro CPU)        
   BIOS             Unidentified                                  
   Dimensions       305mm x 244mm                                 
   I/O Options      32-bit PCI slots (4), floppy drive interface, 
                    IDE interfaces (2), parallel port, PS/2 mouse 
                    port, serial ports (2), ATX power connector   
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/C-D/34397-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | ATX power        |   ATX    | IDE interface 1   |   CN6    |
   | connector        |          |                   |          |
   |------------------+----------+-------------------+----------|
   | Parallel port    |   CN1    | Floppy drive      |   CN7    |
   |                  |          | interface         |          |
   |------------------+----------+-------------------+----------|
   | Serial port 2    |   CN2    | Front panel       |  J10E1   |
   |                  |          | connector         |          |
   |------------------+----------+-------------------+----------|
   | Serial port 1    |   CN3    | Front panel       |  J10H1   |
   |                  |          | connector         |          |
   |------------------+----------+-------------------+----------|
   | PS/2 mouse port  |   CN4    | 32-bit PCI slots  |  PC1 -   |
   |                  |          |                   |   PC4    |
   |------------------+----------+-------------------+----------|
   | IDE interface 2  |   CN5    |                   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  C1   | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     | J67D1 |  Pins 4 & 6  |
   |   | alter                           |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | CMOS memory normal operation    | J67D1 | Pins 20 & 22 |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | CMOS memory clear               | J67D1 | Pins 18 & 20 |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Password enabled                | J67D1 | Pins 27 & 29 |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Password disabled               | J67D1 | Pins 25 & 27 |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Setup access enabled            | J67D1 | Pins 28 & 30 |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Setup access disabled           | J67D1 | Pins 26 & 28 |
   |   |                                 |       |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           DRAM CONFIGURATION (NON PARITY SIMMS)            |
   |------------------------------------------------------------|
   |       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     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             DRAM CONFIGURATION (PARITY SIMMS)              |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 4M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 8M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 4M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (2) 8M x 36     |    (2) 8M x 36     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Note: 256KB/512KB cache is located on the Pentium Pro CPU. |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   | CPU speed | Clock speed | Multiplier |        J6D1         |
   |-----------+-------------+------------+---------------------|
   |  150MHz   |    60MHz    |    2.5x    |  10 & 12, 11 & 13,  |
   |           |             |            |       17 & 19       |
   |-----------+-------------+------------+---------------------|
   |  180MHz   |    60MHz    |     3x     | 9 & 11, 12 & 14, 17 |
   |           |             |            |        & 19         |
   |-----------+-------------+------------+---------------------|
   |  200MHz   |    66MHz    |     3x     | 9 & 11, 12 & 14, 19 |
   |           |             |            |        & 21         |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+