
ZETA INDUSTRIAL CO., LTD.

PETER 486DX-3350 (80486DX-3350)

Processor         80486SX/80487SX/80486DX/80486DX2
Processor Speed   33/50(internal)/50MHz
Chip Set          Symphony
Max. Onboard DRAM 64MB
SRAM Cache        64/128/256K
BIOS              AMI/Award
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J1       Reset switch                J4

  Turbo LED                   J2       Speaker                     J5

  Turbo switch                J3       Power LED & keylock         J6

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CPU type select 80486DX2,                J8            pins 2 & 3
      80486DX, or 80487SX                                     closed

      CPU tpye select 80486SX                  J8            pins 1 & 2
                                                              closed

     Monitor type select color                J10            closed

      Monitor type select monochrome           J10             open

                          CPU SPEED CONFIGURATION

     CPU Speed           J7           J9A           J9B           J9C

       33MHz         pins 1 & 2       open        closed         open
                       closed

   50 (internal)     pins 1 & 2       open        closed         open
        MHz            closed

       50MHz         pins 2 & 3      closed        open         closed
                       closed

                         SRAM JUMPER CONFIGURATION

   Size     JS1G      JS1F     JS1E     JS1D     JS1C     JS1B     JS1A

   64KB     pins 1   pins 1   pins 1   pins 1   pins 1    pins 1   pins 1
             & 2      & 2      & 2      & 2      & 2       & 2      & 2

  128KB     pins 1   pins 1   pins 2   pins 2   pins 2    pins 2   pins 2
             & 2      & 2      & 3      & 3      & 3       & 3      & 3

  256KB     pins 2   pins 2   pins 2   pins 2   pins 1    pins 1   pins 1
             & 3      & 3      & 3      & 3      & 2       & 2      & 2

  Note: Pins designated should be in the closed position.

                    SRAM CONFIGURATION

     Size          Cache         Location         TAG

     64KB        (8) 8K x 8    Banks 0 & 1    (1) 8K x 8

     128KB      (4) 32K x 8       Bank 0      (1) 32K x 8

     256KB      (8) 32K x 8    Banks 0 & 1    (1) 32K x 8

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2          Bank 3

     1MB        (4) 256K x 9      NONE           NONE            NONE

     2MB        (4) 256K x 9   (4) 256K x 9      NONE            NONE

     2MB        (4) 512K x 9      NONE           NONE            NONE

     4MB        (4) 256K x 9   (4) 256K x 9   (4) 512K x 9       NONE

     4MB        (4) 512K x 9   (4) 512K x 9      NONE            NONE

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

     6MB        (4) 256K x 9   (4) 256K x 9   (4) 1M x 9         NONE

     6MB        (4) 512K x 9   (4) 1M x 9        NONE            NONE

     8MB        (4) 256K x 9   (4) 256K x 9   (4) 512K x 9    (4) 1M x 9

     8MB        (4) 512K x 9   (4) 512K x 9   (4) 1M x 9         NONE

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

     8MB        (4) 2M x 9        NONE           NONE            NONE

     10MB       (4) 256K x 9   (4) 256K x 9   (4) 1M x 9      (4) 1M x 9

     12MB       (4) 512K x 9   (4) 512K x 9   (4) 1M x 9      (4) 1M x 9

     12MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9         NONE

     16MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9      (4) 1M x 9

     16MB       (4) 2M x 9     (4) 2M x 9        NONE            NONE

     16MB       (4) 4M x 9        NONE           NONE            NONE

     18MB       (4) 256K x 9   (4) 256K x 9   (4) 4M x 9         NONE

     18MB       (4) 512K x 9   (4) 4M x 9        NONE            NONE

     20MB       (4) 512K x 9   (4) 512K x 9   (4) 4M x 9         NONE

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

     24MB       (4) 512K x 9   (4) 512K x 9   (4) 1M x 9      (4) 4M x 9

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

     24MB       (4) 2M x 9     (4) 2M x 9     (4) 2M x 9         NONE

     32MB       (4) 2M x 9     (4) 2M x 9     (4) 2M x 9      (4) 2M x 9

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

     36MB       (4) 512K x 9   (4) 512K x 9   (4) 4M x 9      (4) 4M x 9

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

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

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

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

