CHAINTECH COMPUTER COMPANY, LTD.

325SCD/333SCD/340SCD

Processor         AM386DX/AM386DXL/80386DX
Processor Speed   25/33/40MHz
Chip Set          Unidentified
Max. Onboard DRAM 32MB
Cache             32/64/128/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387DX/3167

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Reset switch                J1       Speaker                     J4

  Turbo switch                J2       Power LED & keylock         J5

  Turbo LED                   J3       External battery            J7

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Monitor type select color                J6             Closed

      Monitor type select monochrome           J6              Open

  »   NPU synchronous with CPU                 J14           pins 1 & 2
                                                              closed

      NPU asynchronous with CPU                J14           pins 2 & 3
                                                              closed

              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

      20MB        (4) 1M x 9      (4) 4M x 9

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

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1         TAG0           TAG1

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

     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

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

                        CACHE JUMPER CONFIGURATION

    Size           J10            J11            J12             J13

    32KB        pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

    64KB        pins 1 & 2     pins 2 & 3     pins 1 & 2      pins 2 & 3
                 closed          closed         closed         closed

    128KB       pins 1 & 2     pins 2 & 3     pins 1 & 2      pins 2 & 3
                 closed          closed         closed         closed

    256KB       pins 2 & 3     pins 2 & 3     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed