
J-MARK COMPUTER CORPORATION

386P25

Processor         80386DX
Processor Speed   25MHz
Chip Set          OPTI
Max. Onboard DRAM 16MB (8MB on external memory card)
Cache             None
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card
NPU Options       80387DX/3167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Turbo LED                  CR4       Reset switch               SW1

  External battery           J10       Turbo switch               SW2

  Speaker                    J22       32-bit external            SL1
                                       memory card

  Power LED & keylock        J23

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select monochrome          JP1           pins 2 & 3
                                                              closed

      Monitor type select color               JP1           pins 1 & 2
                                                              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

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

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

