
MODULAR CIRCUIT TECHNOLOGY

MCT-M386SX-40

Processor         80386SX
Processor Speed   33/40MHz
Chip Set          Unidentified
Max. Onboard DRAM 16MB
Cache             None
BIOS              AMI
Dimensions        220mm x 220mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                  Location   Purpose                    Location

  External battery           J4       Turbo LED/turbo switch       J8

  Reset switch               J6       Power LED & keylock          J9

  Speaker                    J7

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

     NPU synchronous with CPU               JP2             pins 1 & 2
                                                               closed

      NPU asynchronous with CPU              JP2             pins 2 & 3
                                                               closed

     Monitor type select color              JP4             pins 2 & 3
                                                               closed

      Monitor type select                    JP4             pins 1 & 2
      monochrome                                               closed

     Parity check enabled                   JP6                Open

      Parity check disabled                  JP6               Closed

     Battery type select internal           JP8               Closed

      Battery type select external           JP8                Open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

     512KB        (2) 256K x 9       NONE

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

      2MB         (2) 1M x 9         NONE

      4MB         (2) 1M x 9      (2) 1M x 9

      8MB         (2) 4M x 9         NONE

      16MB        (2) 4M x 9      (2) 4M x 9

  CPU SPEED CONFIGURATION

    Speed          JP9

    33MHz         Closed

    40MHz          Open

                CPU CLOCK SPEED CONFIGURATION

        Speed                JP1                  JP5

        25MHz          pins 1 & 2 closed   pins 2 & 3 closed

        33MHz          pins 2 & 3 closed   pins 2 & 3 closed

        40MHz          pins 1 & 2 closed   pins 1 & 2 closed

