TOUCH, INC.

CACHE 386 33/40

Processor         80386DX
Processor Speed   33/40MHz
Chip Set          Touch
Max. Onboard DRAM 8MB
Cache             32/64/128KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card slot
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           JP2       Speaker                    JP10

  Turbo LED                  JP7       Turbo switch               JP11

  Reset switch               JP8       32-bit external             S1
                                       memory card

  Power LED & keylock        JP9

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper          Position

  »   Monitor type select color                 JP3             Open

      Monitor type select monochrome            JP3            closed

  »   NPU mode select synchronous with          JP5          Pins 1 & 2
      CPU                                                      closed

      NPU mode select synchronous with          JP5          Pins 2 & 3
      oscillator installed at Y1                               closed

      External battery select 6VDC             JP200            Open

      External battery select 3.6VDC           JP200           closed

  »   CMOS memory normal operation             JP202            Open

      CMOS memory clear                        JP202           closed

                            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

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

     5MB       (4) 256K x 9    (4) 1M x 9        NONE           NONE

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

    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

  Note:Banks 2 & 3 are utilized when a 32-bit external memory card is
  installed at S1.

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1       Tag (U15)      Tag (U16)

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

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

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

        CACHE JUMPER CONFIGURATION

        Size                 JP6

        32KB          Pins 1 & 2 closed

        64KB          Pins 2 & 3 closed

        128KB         Pins 2 & 3 closed