
SCI SYSTEMS, INC.

TC325DX/TC333DX

Processor               80386DX
Processor Speed         25/33MHz
Chip Set                VLSI Topcat
Max. Onboard DRAM       64MB
Cache                   None
BIOS                    AMI
Dimensions              330mm x 218mm
I/O Options             Parallel port, serial ports (2), floppy drive
                        interface, IDE interface, VGA port, PS/2 mouse
                        interface
NPU Options             80387

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Serial port 1               P3       VGA port                    P10

  Parallel port               P4       Reset switch                P11

  Floppy drive interface      P5       Speaker                     P12

  IDE interface               P6       Power LED & keylock         P13

  Serial port 2               P7       Turbo LED                   P14

  PS/2 mouse interface        P9       IDE interface LED           P15

                        USER CONFIGURABLE SETTINGS

               Function                  Jumper/Switch        Position

     VGA interrupt request                   JP1             pins 1 & 2
      generation disabled                                      closed

      VGA interrupt request                   JP1             pins 2 & 3
      generation enabled                                       closed

     VGA port enabled                        JP2             pins 2 & 3
                                                               closed

      VGA port disabled                       JP2             pins 1 & 2
                                                               closed

     IDE drive installed select 1            JP3               Open

      IDE drives installed select 2           JP3              Closed

     Floppy drive generation of              JP5             pins 1 & 2
      disk change signal disabled                              closed

      Floppy drive generation of              JP5             pins 2 & 3
      disk change signal enabled                               closed

     Monitor type select color               JP6             pins 1 & 2
                                                               closed

      Monitor type select monochrome          JP6             pins 2 & 3
                                                               closed

     CMOS memory normal operation            JP7             pins 2 & 3
                                                               closed

      CMOS memory clear                       JP7             pins 1 & 2
                                                               closed

     Address bus drive select 24mA           JP8             pins 2 & 3
                                                               closed

      Address bus drive select 12mA           JP8             pins 1 & 2
                                                               closed

     Data bus drive select 24mA              JP9             pins 2 & 3
                                                               closed

      Data bus drive select 12mA              JP9             pins 1 & 2
                                                               closed

     Factory configured - do not            SW1/1               Off
      alter

     Factory configured - do not            SW1/2               On
      alter

     Video mode select 1024x768             SW1/5               On
      pixel resolution interlaced

      Video mode select 1024x768             SW1/5               Off
      pixel resolution
      non-interlaced

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB         (1) 256K x       NONE           NONE           NONE
                    36

     2MB         (1) 256K x    (1) 256K x        NONE           NONE
                    36             36

     3MB         (1) 256K x    (1) 256K x     (1) 256K x        NONE
                    36             36             36

     4MB         (1) 256K x    (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     4MB        (1) 1M x 36       NONE           NONE           NONE

     5MB        (1) 1M x 36    (1) 256K x        NONE           NONE
                                   36

     6MB        (1) 1M x 36    (1) 256K x     (1) 256K x        NONE
                                   36             36

     7MB        (1) 1M x 36    (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

     8MB        (1) 1M x 36   (1) 1M x 36        NONE           NONE

     9MB        (1) 1M x 36   (1) 1M x 36     (1) 256K x        NONE
                                                  36

     10MB       (1) 1M x 36   (1) 1M x 36     (1) 256K x    (1) 256K x 36
                                                  36

     12MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36        NONE

     13MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36    (1) 256K x 36

     16MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

     16MB       (1) 4M x 36       NONE           NONE           NONE

     17MB       (1) 4M x 36    (1) 256K x        NONE           NONE
                                   36

     18MB       (1) 4M x 36    (1) 256K x     (1) 256K x        NONE
                                   36             36

     19MB       (1) 4M x 36    (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

     20MB       (1) 4M x 36   (1) 1M x 36        NONE           NONE

     21MB       (1) 4M x 36   (1) 1M x 36     (1) 256K x        NONE
                                                  36

                        DRAM CONFIGURATION (CONT)

     Size         Bank 0        Bank 1         Bank 2          Bank 3

     22MB       (1) 4M x 36   (1) 1M x 36     (1) 256K x    (1) 256K x 36
                                                 36

     24MB       (1) 4M x 36   (1) 1M x 36    (1) 1M x 36        NONE

     25MB       (1) 4M x 36   (1) 1M x 36    (1) 1M x 36    (1) 256K x 36

     28MB       (1) 4M x 36   (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

     32MB       (1) 4M x 36   (1) 4M x 36       NONE            NONE

     33MB       (1) 4M x 36   (1) 4M x 36     (1) 256K x        NONE
                                                 36

     34MB       (1) 4M x 36   (1) 4M x 36     (1) 256K x    (1) 256K x 36
                                                 36

     36MB       (1) 4M x 36   (1) 4M x 36    (1) 1M x 36        NONE

     37MB       (1) 4M x 36   (1) 4M x 36    (1) 1M x 36    (1) 256K x 36

     40MB       (1) 4M x 36   (1) 4M x 36    (1) 1M x 36     (1) 1M x 36

     48MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36        NONE

     49MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36    (1) 256K x 36

     52MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36     (1) 1M x 36

     64MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36     (1) 4M x 36

                            VIDEO CONFIGURATION

                  Setting                        SW1/3          SW1/4

   800x600 with 16 colors at 60Hz/ 800x600         On             On
          with 256 colors at 56Hz

   800x600 with 16 colors at 72Hz/800x600         Off             On
          with 256 colors at 56Hz

                  VIDEO CONFIGURATION

      Setting            SW1/3              SW1/4

  800x600 at 60Hz          On                Off

  800x600 at 56Hz         Off                Off

