
CHAINTECH COMPUTER COMPANY, LTD.

325AX/333AX/325AXB/333AXB

Processor         80386SX/CX486SLC
Processor Speed   25/33MHz
Chip Set          ALI
Max. Onboard DRAM 16MB
Cache             None
BIOS              AMI
Dimensions        220mm x 190mm
I/O Options       None
NPU Options       80387SX/CX487SLC

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J1       Turbo LED                  J5

  Power LED & keylock          J3       Turbo switch               J6

  Speaker                      J4       Reset switch               J7

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Turbo enabled                            J6             Closed

      Turbo disabled                           J6              Open

     NPU synchronous with CPU                 JP5           pins 1 & 2
                                                              closed

      NPU asynchronous with CPU                JP5           pins 2 & 3
                                                              closed

     Parity check enabled                    JP15             Open

      Parity check disabled                   JP15            Closed

                            DRAM CONFIGURATION

     Size          Bank 0        Bank 1         Bank 2         Bank 3

     512KB      (2) 256K x 9      NONE           NONE           NONE

      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

      4MB        (2) 1M x 9    (2) 1M x 9        NONE           NONE

      8MB        (2) 1M x 9    (2) 1M x 9     (2) 1M x 9     (2) 1M x 9

      8MB        (2) 4M x 9       NONE           NONE           NONE

     16MB        (2) 4M x 9    (2) 4M x 9        NONE           NONE

