
TEKNOR INDUSTRIAL COMPUTERS, INC.

VIPER880

Device Type  Single board computer
Processor    80486SX/80486DX/80486DX2/80486DX4
Processor    50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set     VLSI 82C486
Video Chip   Chips and Technology
Set
Maximum      32MB
Onboard
Memory
Maximum Video1MB
Memory
Cache        128/512KB
BIOS         AMI
Dimensions   181mm x 122mm
I/O Options  Floppy drive interface, IDE interface, SCSI interface, PS/2
             mouse interface, parallel port, serial ports (2), VGA port,
             PC/104 connectors (2)

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  IDE interface                 J1      Chassis fan power          J8

  Floppy drive interface        J2      Power connector            J9

  Multifunction connector       J3      PS/2 mouse interface       J10

  Serial port 2                 J4      VGA port                   J12

  SCSI interface                J5      Parallel port              J13

  Flat panel connector          J6      PC/104 connector           P1

  Serial port 1                 J7      PC/104 connector           P2

                        USER CONFIGURABLE SETTINGS

               Function                     Label           Position

     Normal boot enabled                    J11              Open

      Emergency boot enabled                 J11             Closed

     IOCHRDY signal to IDE interface        W1               Open
      disabled

      IOCHRDY signal to IDE interface        W1              Closed
      enabled

     Watchdog timer enabled                 W2              Closed

      Watchdog timer disabled                W2               Open

     Power fail monitoring disabled         W3               Open

      Power fail monitoring enabled          W3              Closed

     Flash disk write enabled               W4              Closed

      Flash disk write disabled              W4               Open

     SCSI address select 340H               W5               Open

      SCSI address select140H                W5              Closed

     Flash BIOS write enabled               W6              Closed

      Flash BIOS write disabled              W6               Open

     Pixel clock polarity positive          W7         Pins 1 & 2 closed

      Pixel clock polarity negative          W7         Pins 2 & 3 closed

     Battery type select internal           W10        Pins 1 & 2 closed

      Battery type select external           W10        Pins 2 & 3 closed

     Power failure select external          W13        Pins 1 & 2 closed
      power fail input to pin 6 on J9

      Power failure select                   W13        Pins 2 & 3 closed
      internal/external battery < 3v

     On board video enabled             W26/pins 1 &         Open
                                              2

      On board video disabled            W26/pins 1 &        Closed
                                              2

     Factory configured  do not        W26/pins 3 &     Unidentified
      alter                                   4

     Standard mode enabled              W26/pins 5 &         Open
                                              6

      VT100 mode enabled                 W26/pins 5 &        Closed
                                              6

     Serial normal mode enabled         W26/pins 7 &         Open
                                              8

      Serial download mode enabled       W26/pins 7 &        Closed
                                              8

     PS/2 mouse disabled                    W27              Open

      PS/2 mouse enabled                     W27             Closed

     Monitor type select color              W32              Open

      Monitor type select monochrome         W32             Closed

                SIMM CONFIGURATION

      Size            Bank 0           Bank 1

       1MB        (1) 256K x 36         None

       2MB        (1) 512K x 36         None

       2MB        (1) 256K x 36    (1) 256K x 36

       3MB        (1) 512K x 36    (1) 256K x 36

       4MB         (1) 1M x 36          None

       4MB        (1) 512K x 36    (1) 512K x 36

       5MB         (1) 1M x 36     (1) 256K x 36

       6MB         (1) 1M x 36     (1) 512K x 36

       8MB         (1) 2M x 36          None

                SIMM CONFIGURATION

      Size            Bank 0           Bank 1

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

       9MB         (1) 2M x 36     (1) 256K x 36

      10MB         (1) 2M x 36     (1) 512K x 36

      12MB         (1) 2M x 36      (1) 1M x 36

      16MB         (1) 4M x 36          None

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

      17MB         (1) 4M x 36     (1) 256K x 36

      18MB         (1) 4M x 36     (1) 512K x 36

      20MB         (1) 4M x 36      (1) 1M x 36

      24MB         (1) 4M x 36      (1) 2M x 36

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

                 CACHE CONFIGURATION

  Note: The location of the cache is unidentified.

                 VIDEO MEMORY CONFIGURATION

  Note: The location of the video memory is unidentified.

                         CPU SPEED SELECTION

               Speed                              W29

              50iMHz                Pins 1 & 2, 3 & 4, 5 & 6 closed

              66iMHz                    Pins 3 & 4, 5 & 6 closed

              75iMHz                Pins 1 & 2, 3 & 4, 5 & 6 closed

              100iMHz                   Pins 3 & 4, 5 & 6 closed

                            CPU TYPE SELECTION

       Type                W22               W24               W25

      80486SX           Pins 1 & 2          Open               Open
                         closed

      80486DX           Pins 2 & 3         Closed           Pins 1 & 2
                         closed                               closed

     80486DX2           Pins 2 & 3         Closed           Pins 1 & 2
                         closed                               closed

     80486DX4           Pins 2 & 3         Closed           Pins 1 & 2
                         closed                               closed

      ODP486            Pins 2 & 3         Closed           Pins 1 & 2
                         closed                               closed

         BUSCLK SIGNAL SELECTION

        Speed                W21

        16MHz         Pins 2 & 3 closed

        25MHz         Pins 1 & 2 closed

        33MHz                Open

                           DMA CHANNEL SELECTION

         Channel                    W28                      W31

            None                   Open                    Open

               1             Pins 1 & 2 closed        Pins 1 & 2 closed

               3             Pins 2 & 3 closed        Pins 2 & 3 closed

                     PARALLEL PORT INTERRUPT SELECTION

                 IRQ                                   W30

                   None                               Open

                   IRQ5                         Pins 1 & 2 closed

                  IRQ7                         Pins 2 & 3 closed

                          SERIAL PORT 2 SELECTION

     Setting           W17           W18           W19            W20

       RS-232      Pins 1 & 2    Pins 1 & 2    Pins 1 & 2     Pins 1 & 2
                     closed         closed        closed        closed

        RS-422      Pins 2 & 3    Pins 2 & 3    Pins 2 & 3     Pins 2 & 3
                     closed         closed        closed        closed

        RS-485      Pins 2 & 3    Pins 2 & 3    Pins 2 & 3     Pins 2 & 3
                     closed         closed        closed        closed

                      SERIAL PORT LOOPBACK SELECTION

           Setting                     W11                   W12

             Normal                  Open                   Open

             Loopback                Closed                 Closed

                           I/O ADDRESS SELECTION

               Address                                 W23

                  190H                     Pins 1 & 2, 3 & 4 closed

                   290H                         Pins 1 & 2 closed

                   390H                         Pins 3 & 4 closed

                   390H                               Open

                        SCSI DMA CHANNEL SELECTION

         Channel                    W14                      W15

            None                   Open                    Open

               0             Pins 1 & 2 closed        Pins 2 & 3 closed

               5             Pins 2 & 3 closed        Pins 1 & 2 closed

                         SCSI INTERRUPT SELECTION

                 IRQ                                   W16

                    10                          Pins 1 & 2 closed

                    11                          Pins 2 & 3 closed

                  None                               Open

                              EDOUT SELECTION

               Setting                                 W8

        EDOUT left to software                        Open

  EDOUT to pin 29 & ground to pin 17        Pins 1 & 3, 2 & 4 closed

  EDOUT to pin 17 & ground to pin 29        Pins 1 & 2, 3 & 4 closed

  Note: The above listed pins are located on J2.

                              HDOUT SELECTION

               Setting                                 W9

        HDOUT left to software                        Open

  HDOUT to pin 33 & ground to pin 27        Pins 1 & 3, 2 & 4 closed

  HDOUT to pin 27 & ground to pin 33        Pins 1 & 2, 3 & 4 closed

  Note: The above listed pins are located on J2.

