
COMPUADD, INC.

486 ISA HP SX/DX

Processor         80486SX/80487SX/80486DX/80486DX2
Processor Speed   16/20/25/33/66(internal)MHz
Chip Set          OPTI
Max. Onboard DRAM 64MB
Cache             64/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       Floppy drive interface, IDE interface
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Floppy drive interface      J6       IDE interface LED           J25

  IDE interface               J7       Reset switch                J26

  External battery            J18      Power LED & keylock         J27

  Chassis fan power           J24      Speaker                     J28

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     CMOS memory normal operation            J5               Open

      CMOS memory clear                       J5              Closed

                           DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     4MB        (4) 1MB x 9       NONE           NONE          NONE

     8MB        (4) 1MB x 9   (4) 1MB x 9        NONE          NONE

     12MB       (4) 1MB x 9   (4) 1MB x 9    (4) 1MB x 9    (4) 1MB x 9

     20MB       (4) 1MB x 9   (4) 4MB x 9        NONE          NONE

     20MB       (4) 4MB x 9   (4) 1MB x 9        NONE          NONE

     24MB       (4) 1MB x 9   (4) 1MB x 9    (4) 4MB x 9       NONE

     24MB       (4) 1MB x 9   (4) 4MB x 9    (4) 1MB x 9       NONE

     24MB       (4) 4MB x 9   (4) 1MB x 9    (4) 1MB x 9       NONE

     28MB       (4) 1MB x 9   (4) 1MB x 9    (4) 1MB x 9    (4) 4MB x 9

     28MB       (4) 4MB x 9   (4) 1MB x 9    (4) 1MB x 9    (4) 1MB x 9

     28MB       (4) 4MB x 9   (4) 1MB x 9    (4) 1MB x 9    (4) 1MB x 9

     32MB       (4) 4MB x 9   (4) 4MB x 9        NONE          NONE

     36MB       (4) 4MB x 9   (4) 1MB x 9    (4) 4MB x 9       NONE

     36MB       (4) 1MB x 9   (4) 4MB x 9    (4) 4MB x 9       NONE

     36MB       (4) 4MB x 9   (4) 4MB x 9    (4) 1MB x 9       NONE

     40MB       (4) 1MB x 9   (4) 1MB x 9    (4) 4MB x 9    (4) 4MB x 9

     40MB       (4) 1MB x 9   (4) 4MB x 9    (4) 4MB x 9    (4) 1MB x 9

     40MB       (4) 4MB x 9   (4) 1MB x 9    (4) 4MB x 9    (4) 1MB x 9

     40MB       (4) 4MB x 9   (4) 4MB x 9    (4) 1MB x 9    (4) 1MB x 9

     48MB       (4) 4MB x 9   (4) 4MB x 9    (4) 4MB x 9       NONE

     52MB       (4) 1MB x 9   (4) 4MB x 9    (4) 4MB x 9    (4) 4MB x 9

     52MB       (4) 4MB x 9   (4) 1MB x 9    (4) 4MB x 9    (4) 4MB x 9

     52MB       (4) 4MB x 9   (4) 4MB x 9    (4) 4MB x 9    (4) 1MB x 9

     64MB       (4) 4MB x 9   (4) 4MB x 9    (4) 4MB x 9    (4) 4MB x 9

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                   CACHE JUMPER CONFIGURATION

   Size        J19        J20        J21        J22       J23

    0KB       Open       Open       Open      Closed     Closed

   64KB       Open       Open       Open       Open       Open

   256KB     Closed     Closed     Closed      Open       Open

  Note: Pins designated should be in the closed position.

                CPU TYPE CONFIGURATION

   Type       J30        J31        J32        J33

  80486SX     Open      Closed     Open       Open

  80486DX    Closed      Open     Closed     Closed

