
J-MARK COMPUTER CORPORATION

JET-386SX

Processor         80386SX
Processor Speed   16/20/25/33MHz
Chip Set          VLSI
Max. Onboard DRAM 16MB
Cache             None
BIOS              AMI/Award
Dimensions        220mm x 210mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  Speaker                      J5       Turbo switch               J12

  External battery             J8       Turbo LED                  J14

  Power LED & keylock         J11       Reset switch               J15

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Battery select internal                  JP7           pins 1 & 2
                                                              closed

      Battery select external                  JP7           pins 2 & 3
                                                              closed

     Monitor type select color               JP10            Closed

      Monitor type select monochrome          JP10             Open

                            DRAM CONFIGURATION

     Size          Bank 0        Bank 1         Bank 2         Bank 3

     512KB      (2) 256K x 9      NONE           NONE           NONE

      1MB       (2) 256K x 9   (2) 256K x 9      NONE           NONE

     1.5MB      (2) 256K x 9   (2) 256K x 9   (2) 256K x 9      NONE

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

      2MB        (2) 1M x 9       NONE           NONE           NONE

      3MB       (2) 256K x 9   (2) 256K x 9   (2) 1M x 9        NONE

      4MB        (2) 1M x 9    (2) 1M x 9        NONE           NONE

      5MB       (2) 256K x 9   (2) 256K x 9   (2) 1M x 9     (2) 1M x 9

      6MB        (2) 1M x 9    (2) 1M x 9     (2) 1M x 9        NONE

      8MB        (2) 1M x 9    (2) 1M x 9     (2) 1M x 9     (2) 1M x 9

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

     12MB        (2) 1M x 9    (2) 1M x 9     (2) 4M x 9        NONE

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

