
TRENTON TECHNOLOGY, INC.

TR-486DX

Processor       80486SX/80486DX/80486DX2/80486DX4/P24D/P24T
Processor Speed 33/50(internal)/50/66(internal)100(internal)MHz
Chip Set        Unidentified
Video Chip Set  None
Maximum Onboard 128MB
Memory
Maximum Video   None
Memory
Cache           256KB
BIOS            AMI
Dimensions      Unidentified
I/O Options     Floppy drive interface, IDE interface, parallel port,
                serial ports (2)
NPU Options     None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  Power LED & keylock        P2        Serial port 2              P7

  Floppy drive               P3        Parallel port              P8
  interface

  Auxiliary keyboard         P4        CPU fan power              P9
  connector

  Speaker                    P5        Reset switch               P10

  Combo I/O connector        P5A       IDE interface              P11

  Serial port 1              P6        IDE interface LED          P12

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Monitor type select color               JU80          Pins 1 & 2
                                                              closed

      Monitor type select monochrome          JU80          Pins 2 & 3
                                                              closed

     Password normal operation               JU81             Open

      Password clear                          JU81            Closed

     Watchdog timer disabled                 JU82          Pins 1 & 2
                                                              closed

      Watchdog timer enabled                  JU82          Pins 2 & 3
                                                              closed

     CMOS memory normal operation            JU83             Open

      CMOS memory clear                       JU83            Closed

     Speaker data signal to pin 8 on         JU84            Closed
      P5A enabled

      Speaker data signal to pin 8 on         JU84             Open
      P5A disabled

     Reset data signal to pin 1 on P5A       JU85            Closed
      enabled

      Reset data signal to pin 1 on P5A       JU85             Open
      disabled

                           SIMM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

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

     8MB        (1) 2M x 36       None           None          None

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

     12MB       (1) 2M x 36   (1) 1M x 36        None          None

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

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

     16MB       (1) 2M x 36   (1) 1M x 36    (1) 1M x 36       None

     16MB       (1) 2M x 36   (1) 2M x 36        None          None

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

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

     20MB       (1) 2M x 36   (1) 1M x 36    (1) 1M x 36    (1) 1M x 36

     20MB       (1) 1M x 36   (1) 2M x 36    (1) 2M x 36       None

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

     24MB       (1) 4M x 36   (1) 2M x 36        None          None

     24MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36       None

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

     28MB       (1) 1M x 36   (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     32MB       (1) 8M x 36       None           None          None

     32MB       (1) 4M x 36   (1) 2M x 36    (1) 2M x 36       None

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

     32MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

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

     40MB       (1) 8M x 36   (1) 1M x 36    (1) 1M x 36       None

     40MB       (1) 8M x 36   (1) 2M x 36        None          None

                       SIMM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     40MB       (1) 4M x 36   (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     44MB       (1) 8M x 36   (1) 1M x 36    (1) 1M x 36    (1) 1M x 36

     48MB       (1) 8M x 36   (1) 2M x 36    (1) 2M x 36       None

     48MB       (1) 8M x 36   (1) 4M x 36        None          None

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

     56MB       (1) 8M x 36   (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     64MB       (1) 8M x 36   (1) 4M x 36    (1) 4M x 36       None

     64MB       (1) 8M x 36   (1) 8M x 36        None          None

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

     72MB       (1) 2M x 36   (1) 8M x 36    (1) 8M x 36       None

     80MB       (1) 8M x 36   (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

     96MB       (1) 8M x 36   (1) 8M x 36    (1) 8M x 36       None

    112MB       (1) 8M x 36   (1) 8M x 36    (1) 8M x 36    (1) 4M x 36

    128MB       (1) 8M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

                      CACHE CONFIGURATION

             Size                           Bank 0

             256KB                       (8) 32K x 8

  Note: Bank 0 is factory installed and is not configurable.

              CPU TYPE SELECTION

         Type                   JU10

        80486SX          Pins 2 & 3 closed

  All other CPU types    Pins 1 & 2 closed

            CPU TYPE SELECTION

        Type                 JU11

    S-series CPU      Pins 2 & 3 closed

  Non S-series CPU    Pins 1 & 2 closed

      CPU TYPE SELECTION

     Type           JU13

  Non ODP CPU      Closed

    ODP CPU         Open

              CPU TYPE SELECTION

         Type                   JU14

         P24D                  Closed

         P24T                  Closed

  All other CPU types           Open

         CPU MULTIPLIER SELECTION

     Multiplier              JU12

         2x           Pins 2 & 3 closed

        2.5x          Pins 1 & 2 closed

         3x                  Open

                    DMA CHANNEL SELECTION

       Channel              JU103                JU104

          3            Pins 7 & 8 closed   Pins 7 & 8 closed

          5            Pins 5 & 6 closed   Pins 5 & 6 closed

          6            Pins 3 & 4 closed   Pins 3 & 4 closed

          7            Pins 1 & 2 closed   Pins 1 & 2 closed

                     SERIAL PORT 1 INTERRUPT SELECTION

                 IRQ                                  JU100

                  IRQ4                         Pins 2 & 3 closed

                   IRQ3                         Pins 1 & 2 closed

                     SERIAL PORT 2 INTERRUPT SELECTION

                 IRQ                                  JU101

                  IRQ3                         Pins 1 & 2 closed

                   IRQ4                         Pins 2 & 3 closed

                     PARALLEL PORT INTERRUPT SELECTION

                 IRQ                                  JU102

                  IRQ7                         Pins 1 & 2 closed

                   IRQ5                         Pins 2 & 3 closed

