
ATLANTIC COMPUTER PRODUCTS, INC.

486 33 CACHE

Processor         80486DX
Processor Speed   33MHz
Chip Set          ETEQ
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              AMI/Award/MR
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Turbo switch                J3       Speaker                    JP11

  Reset switch                J4       Power LED & keylock        JP27

  External battery           JP10      Turbo LED                  JP28

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation             JP9           pins 1 & 2
      (internal battery)                                      closed

      CMOS memory normal operation             JP9        pins 1 & 2 open
      (external battery)

      CMOS memory clear                        JP9           pins 2 & 3
                                                              closed

     Factory configured - do not alter       JP29            unknown

     Factory configured - do not alter       JP33            unknown

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

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

  16MB     (4) 4M x 9         NONE

  17MB    (4) 256K x 9     (4) 4M x 9

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

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

                         SRAM JUMPER CONFIGURATION

  Size       JP17         JP19         JP23         JP24          JP25

  64KB       open         open       pins 2 & 3   pins 2 & 3      open

                                      closed       closed

  128KB     closed        open       pins 1 & 2   pins 2 & 3     closed

                                      closed       closed

  256KB     closed       closed      pins 1 & 2   pins 1 & 2     closed

                                      closed       closed

                            SRAM CONFIGURATION

  Size             Cache SRAM                        Location

  64KB             (8) 8K x 8                         Bank 0

  128KB            (16) 8K x 8                      Banks 0 & 1

  256KB            (8) 32K x 8                        Banks 0

