
J-MARK COMPUTER CORPORATION

JET-386E CACHE

Processor         80386DX
Processor Speed   33/40MHz
Chip Set          ETEQ
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              AMI/Award
Dimensions        254mm x 220mm
I/O Options       None
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery            J20       Reset switch               RST

  Power LED & keylock         KEY       Speaker                    SPK

  Turbo LED                   LED       Turbo switch               TSW

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color                JP3            Closed

      Monitor type select monochrome           JP3             Open

     CMOS memory normal operation             JP5           pins 1 & 2
                                                              closed

      CMOS memory clear                        JP5           pins 2 & 3
                                                              closed

              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

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

      16MB        (4) 4M x 9         NONE

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

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

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

     128KB      (4) 32K x 8        NONE       (1) 8K x 8

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

                        CACHE JUMPER CONFIGURATION

   Size        J6       J7     J8      J9      J12         J13      J15

   64KB       Open      1 &    1 &     2 &     Open       Open      1 & 2
                         2      2      3

  128KB      Closed     1 &    2 &     2 &     Open      Closed     4 & 5
                         2      3      3

  256KB      Closed     2 &    2 &     2 &    Closed     Closed     5 & 6
                         3      3      3

  Note:Pins designated should be in the closed position.

