DELL COMPUTER CORPORATION

POWEREDGE SP 51XX-2

Device Type           Mainboard
Processor             Pentium
Processor Speed       75/90/100/120/133/150/166MHz
Chip Set              Unidentified
Video Chip Set        ATI
Maximum Onboard       512MB
Memory
Maximum Video Memory  2MB
Cache                 256/512KB
BIOS                  Unidentified
Dimensions            330mm x 218mm
I/O Options           Floppy drive interface, IDE interface, SCSI
                      interface, parallel port, PS/2 mouse port, serial
                      ports (2), VESA feature connector, VGA port, riser
                      slot, cache slot

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  IDE interface LED           C1       Serial port 1               CN4

  Front panel connector       C2       PS/2 mouse port             CN5

  Speaker                     C3       Floppy drive interface      CN7

  External battery            C4       VESA feature connector      CN8

  VGA port                    CN1      Cache slot                  SL1

  Parallel port               CN2      Riser slot                  SL2

  Serial port 2               CN3

                         USER CONFIGURABLE SETTINGS

               Function                    Label            Position

  »  Factory configured - do not        CN6           Unidentified
     alter

  »  Factory configured - do not        J8            Open
     alter

  »  On board video enabled             J9            Closed

     On board video disabled            J9            Open

  »  Factory configured - do not        J10           Closed
     alter

  »  Factory configured - do not        J11           Closed
     alter

  »  Flash BIOS update enabled          J12           Closed

     Flash BIOS update disabled         J12           Open

  »  Password enabled                   J13           Closed

     Password disabled                  J13           Open

  »  Factory configured - do not        J14           Open
     alter

                            DRAM CONFIGURATION

      Size          Bank 0        Bank 1         Bank 2         Bank 3

      8MB         (2) 1M x 36      None           None           None

      16MB        (2) 1M x 36   (2) 1M x 36       None           None

      16MB        (2) 2M x 36      None           None           None

      24MB        (2) 1M x 36   (2) 1M x 36    (2) 1M x 36       None

      32MB        (2) 1M x 36   (2) 1M x 36    (2) 1M x 36   (2) 1M x 36

      32MB        (2) 2M x 36   (2) 2M x 36       None           None

      32MB        (2) 4M x 36      None           None           None

      48MB        (2) 2M x 36   (2) 2M x 36    (2) 2M x 36       None

      64MB        (2) 2M x 36   (2) 2M x 36    (2) 2M x 36   (2) 2M x 36

      64MB        (2) 4M x 36   (2) 4M x 36       None           None

      64MB        (2) 8M x 36      None           None           None

      96MB        (2) 4M x 36   (2) 4M x 36    (2) 4M x 36       None

     128MB        (2) 4M x 36   (2) 4M x 36    (2) 4M x 36   (2) 4M x 36

     128MB        (2) 8M x 36   (2) 8M x 36       None           None

     128MB         (2) 16M x       None           None           None
                      36

     192MB        (2) 8M x 36   (2) 8M x 36    (2) 8M x 36       None

                     DIMM/DRAM CONFIGURATION (CON'T)

     Size          Bank 0        Bank 1         Bank 2         Bank 3

     256MB      (2) 8M x 36    (2) 8M x 36    (2) 8M x 36   (2) 8M x 36

     256MB      (2) 16M x 36  (2) 16M x 36       None           None

     384MB      (2) 16M x 36  (2) 16M x 36   (2) 16M x 36       None

     512MB      (2) 16M x 36  (2) 16M x 36   (2) 16M x 36   (2) 16M x 36

  Note: The location of the banks is unidentified.

                CACHE CONFIGURATION

           Size                      SL1

          256KB            256KB module installed

          512KB            512KB module installed

              VIDEO MEMORY CONFIGURATION

       Size             Bank 0             Bank 1

        1MB          (2) 256K x 16          None

        2MB          (2) 256K x 16     (2) 256K x 16

  Note: The location of banks 0 & 1 is unidentified.

                            CPU SPEED SELECTION

  CPU speed     Clock     Multiplier       J1          J2          J3
               speed

   75MHz       50MHz         1.5x         Open        Open        Open

   90MHz       60MHz         1.5x         Open        Open        Open

   100MHz      66MHz         1.5x         Open        Open        Open

   120MHz      60MHz          2x          Open        Open        Open

   133MHz      66MHz          2x          Open        Open       Closed

   150MHz      60MHz         2.5x         Open       Closed       Open

   166MHz      66MHz         2.5x        Closed       Open        Open

                        CPU SPEED SELECTION (CON'T)

    CPU      Clock    Multiplier      J4        J5        J6        J7
   speed     speed

   75MHz     50MHz       1.5x        Open      Open      Open     Closed

   90MHz     60MHz       1.5x        Open      Open     Closed     Open

  100MHz     66MHz       1.5x        Open     Closed     Open      Open

  120MHz     60MHz        2x        Closed     Open      Open      Open

  133MHz     66MHz        2x         Open      Open      Open      Open

  150MHz     60MHz       2.5x        Open      Open      Open      Open

  166MHz     66MHz       2.5x        Open      Open      Open      Open

[Image]

              CONNECTIONS

      Function             Label

  32-bit PCI slots       PC1 - PC2