
ARTEK COMPUTER SYSTEMS, INC.

OPTI-80386SX

Processor         80386SX
Processor Speed   25MHz
Chip Set          OPTI
Max. Onboard DRAM 16MB
Cache             16/32/64KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J2       Speaker                    J13

  Turbo switch                 J9       Turbo LED                  J14

  Power LED & keylock         J12       Reset switch               J15

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation             J3           pins 2 & 3
      (internal battery)                                      closed

     CMOS memory normal operation             J3             Closed
      (external battery)

      CMOS memory clear                        J3           pins 3 & 4
                                                              closed

     Monitor type select color                J10            Closed

      Monitor type select monochrome           J10             Open

     NPU mode select asynchronous             J11            Closed

      NPU mode select synchronous              J11             Open

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

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

     9MB        (2) 256K x 9   (2) 256K x 9   (2) 4M x 9        NONE

     10MB       (2) 1M x 9     (2) 4M x 9        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

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     16KB        (2) 8K x 8        NONE       (1) 8K x 8

     32KB        (2) 8K x 8     (2) 8K x 8    (1) 8K x 8

     64KB       (2) 32K x 8        NONE       (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

    Size          JP4            JP5            JP6              JP7

    16KB          Open           Open        pins 1 & 2       pins 1 & 2
                                               closed          closed

    32KB          Open          Closed       pins 1 & 2       pins 2 & 3
                                               closed          closed

    64KB         Closed          Open        pins 2 & 3       pins 2 & 3
                                               closed          closed

