
DENSITRON COPRORATION

DPX-57

Processor   80486DX/A80486DX/IBM26486/CX486DX2/AM486DX2/80486DX2/
            A80486DX2/SL80486DX2/CX5X86/AM5X86/IBM486DX4/
            IBM26486-4V3100GIC/AM486DX4/SL80486DX4/Pentium ODP
Processor   33/50(internal)/50/66(internal)/75(internal)/100(internal)/
Speed       120(internal)MHz
Chip Set    ALI
Video Chip  Chips and Technology
Set
Maximum     64MB (EDO supported)
Onboard
Memory
Maximum     2MB
Video
Memory
Cache       None
BIOS        Award
Dimensions  222mm x 186mm
I/O Options Ethernet 10BaseT connector, Ethernet AUI, floppy drive
            interface, game/MIDI port, green PC connector, IDE interface,
            SCSI interface, parallel port, PS/2 mouse interface, serial
            ports (2), VESA feature connector, VGA port, riser slot, flat
            panel connector, touch screen connector
NPU Options None

[Image]

                                CONNECTIONS

  Purpose               Location     Purpose                   Location

  Chassis fan power        J1        Flat panel connector         J16

  SCSI interface           J2        Audio in  CD-ROM            J17

  LED connector            J3        Mouse/keyboard               J19
                                     connector

  PC/104 connector         J5A       Parallel port                J20

  PC/104 connector         J5B       Serial port 1                J21

  Green PC connector       J6        Serial port 2                J22

  Access bus               J8        IDE power connector          J23
  interface

  AIU connector            J9        Floppy drive interface       J24

  Game/MIDI                J10       Floppy drive power           J25
  interface                          connector

  VGA port                 J11       Touch screen connector       J26

  Audio interface          J12       IDE interface                J27

  Backlight inverter       J13       IDE signal extension         J28
  power

  Power connector          J14       VESA feature connector       P1

  10Base-T connector       J15       Riser slot                   SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Watchdog timer enabled                  JP6             Closed

      Watchdog timer disabled                 JP6              Open

      SCSI interface enabled                  JP7             Closed

      SCSI interface disabled                 JP7              Open

      On board LAN enabled                    JP8             Closed

      On board LAN disabled                   JP8              Open

      Flash BIOS write protect enabled        JP9             Closed

      Flash BIOS write protect disabled       JP9              Open

     CMOS memory normal operation            JP10          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP10          Pins 2 & 3
                                                              closed

      Flash BIOS write enabled                JP11            Closed

      Flash BIOS write disabled               JP11             Open

      Microphone power enabled                JP12            Closed

      Microphone power disabled               JP12             Open

      On board sound enabled                  JP14            Closed

      On board sound disabled                 JP14             Open

      RS-485 mode select full duplex          JP20             Open

      RS-485 mode select half duplex          JP20            Closed

             SIMM CONFIGURATION

     Size          Bank 0        Bank 1

      4MB        (1) 1M x 36      None

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

      8MB        (1) 2M x 36      None

     16MB        (1) 2M x 36   (1) 2M x 36

     16MB        (1) 4M x 36      None

     32MB        (1) 4M x 36   (1) 4M x 36

     32MB        (1) 8M x 36      None

     64MB        (1) 8M x 36   (1) 8M x 36

                        VIDEO MEMORY CONFIGURATION

  Note: The location and configuration of the 1MB/2MB video memory is
  unidentified.

                   CPU TYPE SELECTION

            Type                        JP3

      80486DX-33 (5v)        Pins 1 & 3, 2 & 4 closed

      80486DX-50 (5v)        Pins 3 & 5, 4 & 6 closed

        A80486DX-50          Pins 3 & 5, 4 & 6 closed

   IBM26486-V266GA (3.3v)    Pins 1 & 3, 2 & 4 closed

   CX486DX2-V66GP (3.3v)     Pins 1 & 3, 2 & 4 closed

   CX486DX2-V66GP (3.45v)    Pins 1 & 3, 2 & 4 closed

    AM486DX2-66 (3.45v)      Pins 1 & 3, 2 & 4 closed

     AM486DX2-66 (NV8T)      Pins 1 & 3, 2 & 4 closed

      AM486DX2-66 (5v)       Pins 1 & 3, 2 & 4 closed

      80486DX2-50 (5v)       Pins 1 & 3, 2 & 4 closed

        A80486DX2-50         Pins 1 & 3, 2 & 4 closed

      80486DX2-66 (5v)       Pins 1 & 3, 2 & 4 closed

     SL80486DX2-66 (5v)      Pins 1 & 3, 2 & 4 closed

     A80486DX2-66 & E5V      Pins 1 & 3, 2 & 4 closed

     CX5X86-100 (3.45v)      Pins 1 & 3, 2 & 4 closed

     CX5X86-120 (3.45v)      Pins 3 & 5, 4 & 6 closed

     AM5X86-75 (3.45v)       Pins 1 & 3, 2 & 4 closed

   IBM486DX4-100 (3.45v)     Pins 1 & 3, 2 & 4 closed

     IBM26486-4V3100GIC      Pins 1 & 3, 2 & 4 closed

        AM486DX4-100         Pins 1 & 3, 2 & 4 closed

    AM486DX4-100 (NV8T)      Pins 1 & 3, 2 & 4 closed

   SL80486DX4-100 (3.45v)    Pins 1 & 3, 2 & 4 closed

    Pentium ODP-83 (5v)      Pins 1 & 3, 2 & 4 closed

                        CPU TYPE SELECTION (CONT)

               Type                                  JP5

         80486DX-33 (5v)             1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 &
                                            34, 37 & 38, 39 & 40

         80486DX-50 (5v)             1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 &
                                                 34, 39 & 40

           A80486DX-50               1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 &
                                                 34, 39 & 40

      IBM26486-V266GA (3.3v)         5 & 7, 11 & 13, 15 & 16, 17 & 19, 21
                                    & 22, 23 & 25, 26 & 28, 27 & 29, 33 &
                                        34, 35 & 36, 37 & 38, 39 & 40

      CX486DX2-V66GP (3.3v)          5 & 7, 11 & 13, 15 & 16, 17 & 19, 21
                                    & 22, 23 & 25, 26 & 28, 27 & 29, 33 &
                                        34, 35 & 36, 37 & 38, 39 & 40

      CX486DX2-V66GP (3.45v)         5 & 6, 11 & 13, 15 & 16, 17 & 19, 21
                                    & 22, 23 & 25, 26 & 28, 27 & 29, 33 &
                                        34, 35 & 36, 37 & 38, 39 & 40

       AM486DX2-66 (3.45v)           5 & 6, 15 & 16, 19 & 21, 33 & 34, 37
                                                & 38, 39 & 40

        AM486DX2-66 (NV8T)           5 & 6, 15 & 16, 19 & 21, 33 & 34, 37
                                                & 38, 39 & 40

         AM486DX2-66 (5v)            1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 &
                                            34, 37 & 38, 39 & 40

         80486DX2-50 (5v)            1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 &
                                                     34

           A80486DX2-50              1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 &
                                                     34

         80486DX2-66 (5v)            1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 &
                                            34, 37 & 38, 39 & 40

        SL80486DX2-66 (5v)           1 & 2, 3 & 4, 15 & 16, 17 & 19, 21 &
                                     23, 33 & 34, 35 & 36, 37 & 38, 39 &
                                                     40

        A80486DX2-66 & E5V           1 & 2, 3 & 4, 15 & 16, 17 & 19, 21 &
                                     23, 33 & 34, 35 & 36, 37 & 38, 39 &
                                                     40

        CX5X86-100 (3.45v)           5 & 6, 13 & 14, 16 & 18, 17 & 19, 21
                                    & 23, 24 & 26, 27 & 28, 33 & 34, 35 &
                                            36, 37 & 38, 39 & 40

        CX5X86-120 (3.45v)           5 & 6, 13 & 14, 16 & 18, 17 & 19, 21
                                    & 23, 24 & 26, 27 & 28, 33 & 34, 35 &
                                                 36, 37 & 38

        AM5X86-75 (3.45v)           5 & 6, 9 & 10, 13 & 14, 16 & 18, 17 &
                                     19, 20 & 22, 21 & 23, 24 & 26, 27 &
                                     28, 33 & 34, 35 & 36, 37 & 38, 39 &
                                                     40

      IBM486DX4-100 (3.45v)          5 & 6, 13 & 14, 15 & 16, 17 & 19, 21
                                    & 23, 24 & 26, 27 & 28, 33 & 34, 35 &
                                            36, 37 & 38, 39 & 40

        IBM26486-4V3100GIC           5 & 6, 13 & 14, 15 & 16, 17 & 19, 21
                                    & 23, 24 & 26, 27 & 28, 33 & 34, 35 &
                                            36, 37 & 38, 39 & 40

           AM486DX4-100              5 & 6, 15 & 16, 19 & 21, 22 & 24, 33
                                           & 34, 37 & 38, 39 & 40

       AM486DX4-100 (NV8T)           5 & 6, 15 & 16, 19 & 21, 22 & 24, 33
                                           & 34, 37 & 38, 39 & 40

      SL80486DX4-100 (3.45v)         5 & 6, 15 & 16, 17 & 19, 21 & 23, 24
                                    & 26, 33 & 34, 35 & 36, 37 & 38, 39 &
                                                     40

       Pentium ODP-83 (5v)           1 & 2, 3 & 4, 16 & 18, 17 & 19, 30 &
                                     32, 33 & 34, 35 & 36, 37 & 38, 39 &
                                                     40

  Note: Pins designated should be in the closed position.

                      SERIAL PORT SELECTION (RS-485)

      Setting             JP17               JP18               JP19

      Enabled        Pins 3 & 5, 4 &   Pins 3 & 5, 4 & 6       Closed
                        6 closed            closed

     Disabled        Pins 1 & 3, 2 &   Pins 1 & 3, 2 & 4        Open
                        4 closed            closed

                           SERIAL PORT SELECTION

         Setting                   JP15                     JP16

             RI             Pins 2 & 3 closed       Pins 2 & 3 closed

             +5v             Pins 1 & 2 closed       Pins 1 & 2 closed

            Note: Pin 8 on both serial ports can have a +5v power supply
            connection. JP15 is used for port 1 and JP16 is used for port
            2.

                TERMINATION SELECTION

     Device 1         Device 2             JP1

  Not terminated     Terminated          Closed

    Terminated       Terminated           Open

                            KEYBOARD SELECTION

           Setting                    JP2                    JP4

           Internal            Pins 1 & 3, 2 & 4     Pins 1 & 2 closed
                                     closed

            External            Pins 3 & 5, 4 & 6     Pins 2 & 3 closed
                                     closed

                           FLAT PANEL SELECTION

   Configuration     JP13/pins 1 & 2   JP13/pins 3 & 4   JP13/pins 5 & 6

         1                Open              Open               Open

         2               Closed             Open               Open

         3                Open             Closed              Open

         4               Closed            Closed              Open

         5                Open              Open              Closed

         6               Closed             Open              Closed

         7                Open             Closed             Closed

         8               Closed            Closed             Closed

