PIONEER COMPUTER, INC.

VANTAGE 486WB 25/33/50

Processor         80486DX
Processor Speed   25/33/50MHz
Chip Set          OPTI
Max. Onboard DRAM 32MB
Cache             64/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Turbo LED                   J1       Power LED & keylock         J4

  Reset switch                J2       External battery            J5

  Speaker                     J3

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   CMOS memory normal operation            JP18           pins 1 & 2
                                                              closed

      CMOS memory clear                       JP18           pins 2 & 3
                                                              closed

  »   Factory configured - do not alter       JP19             Open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      20MB        (4) 1M x 9      (4) 4M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

            CACHE CONFIGURATION

     Size          Bank 0          TAG

     64KB        (8) 8K x 8    (3) 16K x 4

     256KB       (8) 32K x 8   (3) 16K x 4

                        CACHE JUMPER CONFIGURATION

      Size              JP1                JP11               JP15

      64KB              Open            pins 1 & 2      pins 1 & 2 closed
                                          closed

      256KB            Closed           pins 2 & 3      pins 2 & 3 closed
                                          closed