UNIDENTIFIED

TTL 386-33/25

Processor         80386DX
Processor Speed   25/33MHz
Chip Set          Unknown
Max. onboard DRAM 16MB
Cache             None
BIOS              AMI
Dimensions        325mm x 308mm
I/O Options       32-bit external memory card
NPU Options       80387DX

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Speaker                    J1        External battery           J22

  Power LED & keylock        J2        Turbo Switch               J24

  Turbo LED                  J16       32-bit external             S1
                                       memory card

  Reset switch               J18

  Note:The exact location of J24 is unknown.

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper            Position

  »   Power good signal detect            JP         pins 1 & 2 closed
      from power supply

      Power good signal detect            JP         pins 2 & 3 closed
      from board

  »   Factory configured - do not        JP13         pins 1 & 3, 2 & 4
      alter                                          closed, 5 & 6 open

  »   Monitor type select color          JP19              Closed

      Monitor type select                JP19               Open
      monochrome

                            DRAM CONFIGURATION

         Size            Bank 0 (ML1, ML2, ML3,    Bank 1 (MH1, MH2, MH3,
                                 ML4)                      MH4)

          1MB                (4) 256K x 9                  NONE

          2MB                (4) 256K x 9              (4) 256K x 9

          4MB                 (4) 1M x 9                   NONE

          8MB                 (4) 1M x 9                (4) 1M x 9

                         DRAM JUMPER CONFIGURATION

               Size                                  J12

                1MB                  pins 1 & 2, 3 & 4 closed, pins 5 & 6
                                                    open

                2MB                   pins 1 & 2, 5 & 6 open, pins 3 & 4
                                                   closed

                4MB                  pins 3 & 4, 5 & 6, open, pins 1 & 2
                                                   closed

                8MB                     pins 1 & 2, 3 & 4 ,5 & 6 open

                             NPU CONFIGURATION

                 NPU                                  J14

               Enabled                 Pins 1 & 2 open, pins 3 & 5, 4 & 6
                                                    closed

              Disabled                 pins 1 & 3, 2 & 4 closed, pins 5 &
                                                    6 open