CHAINTECH COMPUTER COMPANY, LTD.

333AC/340AC/333ACB/340ACB

Processor         80386DX/CX486DLC
Processor Speed   33/40MHz
Chip Set          ALI
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              AMI
Dimensions        240mm x 220mm
I/O Options       None
NPU Options       80387DX/CX487DLC/3167

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  External battery          J4         Turbo switch         J7 (pins 1&2)

  Reset switch              J5         Turbo LED            J7 (pins 4&5)

  Speaker                   J6         Power LED &               J8
                                       keylock

              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

      16MB        (4) 4M x 9         NONE

      32MB        (4) 4M x 9      (4) 4M x 9

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          Tag

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

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

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

     Size       JP5 (pins 1    JP5 (pins 3   JP5 (pins 5         JP6
                   & 2)           & 4)          & 6)

     64KB          Open           Open          Open          pins 1 & 2
                                                               closed

    128KB         Closed         Closed         Open          pins 2 & 3
                                                               closed

    256KB         Closed         Closed        Closed         pins 1 & 2
                                                               closed

            CPU TYPE CONFIGURATION

    Type        JP9        JP10        JP11

  80386DX      Open        Open        Open

  CX486DLC    Closed      Closed      Closed