
CHAINTECH COMPUTER COMPANY, LTD.

325S/333S/333SC/340SC

Processor         AM386DX/80386DX
Processor Speed   25/33/40MHz
Chip Set          AMD
Max. Onboard DRAM 8MB (325S/333S) / 16MB (333SC/340SC)
Cache             64KB (333SC/340SC)
BIOS              AMI
Dimensions        330mm x 217mm
I/O Options       None
NPU Options       80387DX/3167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J1       Turbo switch               J12

  Power LED & keylock         J10       Speaker                    J13

  Turbo LED                   J11       Reset switch               J14

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not alter        J2            pins 1 & 2
                                                              closed

     Monitor type select color                J3             Closed

      Monitor type select monochrome           J3              Open

     Cache size select 32KB                   J9            pins 1 & 2
                                                              closed

      Cache size select 64KB                   J9            pins 2 & 3
                                                              closed

     Factory configured - do not alter        J19           pins 2 & 3
                                                              closed

     NPU synchronous with CPU                 JX            pins 1 & 2
                                                              closed

      NPU asynchronous with CPU                JX            pins 2 & 3
                                                              closed

  Note: Cache configuration is for 333SC/340SC only.

                            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

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

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

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

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

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

                             8042 SPEED SELECT

           8042 pin number                             J4

                    23                         pins 5 & 6 closed

                    24                          pins 7 & 8 closed

                    29                          pins 1 & 2 closed

                    30                          pins 3 & 4 closed

                            MODEL TYPE SELECT

     Type            J5             J6            J7             J8

   325S/333S       Closed         Closed        Closed         Closed

  333SC/340SC       Open           Open          Open           Open

