WINCAL TECHNOLOGY CORPORATION

OPTI-25

Processor         80386DX
Processor Speed   25MHz
Chip Set          OPTI
Max. Onboard DRAM 8MB
Cache             None
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

  Turbo LED                  CR4       32-bit external             S1
                                       memory card

  External battery           J10       Reset switch               SW1

  Speaker                    J22       Turbo switch               SW2

  Power LED & keylock        J23

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Monitor type select color                JP1           pins 1 & 2
                                                              closed

      Monitor type select monochrome           JP1           pins 2 & 3
                                                              closed

  »   CMOS normal operation                    JP5            Closed

      CMOS memory clear                        JP5             Open

  Note:JP5 should be left open for approximately 10 minutes when clearing
  CMOS memory.

  JP5 only appears on version 2.5 board.

                            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

     3MB       (4) 256K x 9   (4) 256K x 9   (4) 256K x 9       NONE

     4MB       (4) 256K x 9   (4) 256K x 9   (4) 256K x 9   (4) 256K x 9

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

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

     6MB        (4) 1M x 9    (4) 256K x 9   (4) 256K x 9       NONE

     7MB        (4) 1M x 9    (4) 256K x 9   (4) 256K x 9   (4) 256K x 9

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

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

     10MB       (4) 1M x 9     (4) 1M x 9    (4) 256K x 9   (4) 256K x 9

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

     13MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9    (4) 256K x 9

     16MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

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

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