DELL COMPUTER CORPORATION

DIMENSION XPS PXXC MINITOWER

Processor              Pentium
Processor Speed        90/100/120MHz
Chip Set               Intel
Max. Onboard DRAM      128MB
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
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Serial port 1             CN1        Power switch              CN9
                                       connector

  Serial port 2             CN2        IDE interface LED         J1

  Parallel port             CN3        Chassis fan power    J2 pins 5 - 8

  Floppy drive              CN4        Reset switch         J3 pins 1 & 2
  interface

  IDE interface 2           CN5        IDE interface LED     J3 pins 10 -
                                                                 13

  IDE interface 1           CN6        Power LED &          J3 pins 4 - 8
                                       keylock

  PS/2 mouse port           CN7        32-bit PCI slots       PC1 - PC4

  Chassis fan power         CN8        Cache slot                SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Setup access enabled                     D            Pins 2 & 3
                                                              closed

      Setup access disabled                    D            Pins 1 & 2
                                                              closed

  »   CMOS memory normal operation             E            Pins 2 & 3
                                                              closed

      CMOS memory clear                        E            Pins 1 & 2
                                                              closed

  »   Password enabled                         F            Pins 2 & 3
                                                              closed

      Password disabled                        F            Pins 1 & 2
                                                              closed

  »   Factory configured - do not              G            Pins 2 & 3
      alter                                                   closed

  »   Factory configured - do not              H            Pins 2 & 3
      alter                                                   closed

      Speaker enabled                          J2           Pins 2 & 3
                                                              closed

      Speaker disabled                         J2              Open

             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) 2M 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) 4M x 36   (2) 1M x 36

     40MB        (2) 1M x 36   (2) 4M x 36

     48MB        (2) 4M x 36   (2) 2M 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) 8M x 36   (2) 1M x 36

     72MB        (2) 1M x 36   (2) 8M x 36

     80MB        (2) 8M x 36   (2) 2M x 36

     80MB        (2) 2M x 36   (2) 8M x 36

     96MB        (2) 8M x 36   (2) 4M x 36

     96MB        (2) 4M x 36   (2) 8M x 36

     128MB       (2) 8M x 36   (2) 8M x 36

  Note: Board accepts EDO memory.

   CACHE CONFIGURATION

    Size         SL1

    256KB     Installed

    512KB     Installed

                   CPU SPEED CONFIGURATION

        Speed                 A                    B

        90MHz          Pins 1 & 2 closed   Pins 1 & 2 closed

       100MHz          Pins 2 & 3 closed   Pins 2 & 3 closed

       120MHz          Pins 1 & 2 closed   Pins 1 & 2 closed

       133MHz          Pins 2 & 3 closed   Pins 2 & 3 closed

     CPU EXTERNAL SPEED CONFIGURATION

        Speed                 C

        1.5x          Pins 2 & 3 closed

         2x           Pins 1 & 2 closed