
TEKNOR INDUSTRIAL COMPUTERS, INC.

VIPER 804

Processor              80386SX/CX486SLC/TI486SLC
Processor Speed        33MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 16MB
Maximum Video Memory   None
Cache                  512/1024KB
BIOS                   Unidentified
Dimensions             Unidentified
I/O Options            Floppy drive interface, IDE interface, parallel
                       port, PS/2 mouse interface, serial ports (3),
                       PC/104 interfaces (2)
NPU Options            80387SX

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  IDE interface              J1        Parallel port              J7

  Floppy drive               J2        External battery           J8
  interface

  Keyboard, speaker,         J3        Serial port 1 -            J9
  reset, LED                           internal

  Serial port 2              J4        PS/2 mouse interface       J10

  Power connector            J5        PC/104 connectors        P1 & P2

  Serial port 1 -            J6
  external

                        USER CONFIGURABLE SETTINGS

                 Function                      Label         Position

     BIOS boot select normal boot              J11            Open

      BIOS boot select emergency boot           J11           Closed

      External battery connected to J8           W1          Pins 1 & 2
                                                              closed

      External battery connected to J5           W1          Pins 2 & 3
                                                              closed

     Power fail monitoring disabled             W3            Open

      Power fail monitoring enabled              W3           Closed

     IOCHRDY signal to IDE interface            W4            Open
      disabled

      IOCHRDY signal to IDE interface            W4           Closed
      enabled

     Watchdog timer enabled                     W5           Closed

      Watchdog timer disabled                    W5            Open

     Flash BIOS write enabled                   W6           Closed

      Flash BIOS write disabled                  W6            Open

     Flash disk write enabled                   W7           Closed

      Flash disk write disabled                  W7            Open

     Battery type select internal              W10          Pins 1 & 2
                                                              closed

      Battery type select external              W10          Pins 2 & 3
                                                              closed

     Power failure detection source            W11          Pins 1 & 2
      external power fail (pin 6 on J5)                       closed

      Power failure detection source            W11          Pins 2 & 3
      internal/external battery <3v                           closed

     SYSCLK select 8MHz (asynchronous)         W18           Closed

      SYSCLK select programmed in BIOS          W18            Open
      setup (synchronous)

     Parallel port IRQ select IRQ7             W20          Pins 2 & 3
                                                              closed

      Parallel port IRQ select IRQ5             W20          Pins 1 & 2
                                                              closed

              SIMM CONFIGURATION

      Size          Bank 0          Bank 1

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

      2MB         (2) 1M x 9         None

      4MB         (2) 1M x 9      (2) 1M x 9

      8MB         (2) 4M x 9         None

      16MB        (2) 4M x 9      (2) 4M x 9

                  SOLID STATE DISK CONFIGURATION

  Note: To increase the size of the SSD, install upgrade in U13.

                           DMA CHANNEL SELECTION

         Channel                    W21                      W22

            None                   Open                    Open

               1             Pins 1 & 2 closed        Pins 1 & 2 closed

               3             Pins 2 & 3 closed        Pins 2 & 3 closed

                     SERIAL PORT 2 LOOPBACK SELECTION

           Setting                     W12                   W13

             Normal                  Open                   Open

             Loopback                Closed                 Closed

                          SERIAL PORT 2 SELECTION

     Setting           W14           W15           W16            W17

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

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

                       FLOPPY DRIVE EDOUT SELECTION

                 Setting                                W9

             Left to software                         Open

           Ground to pin 17 on J3                Pins 2 & 4 closed

           Ground to pin 29 on J3                Pins 3 & 4 closed

            EDOUT to pin 29 on J3                Pins 1 & 3 closed

            EDOUT to pin 17 on J3                Pins 1 & 2 closed

                       FLOPPY DRIVE HDOUT SELECTION

                 Setting                                W8

             Left to software                         Open

           Ground to pin 27 on J3                Pins 2 & 4 closed

           Ground to pin 33 on J3                Pins 3 & 4 closed

            HDOUT to pin 33 on J3                Pins 1 & 3 closed

            HDOUT to pin 27 on J3                Pins 1 & 2 closed

                            BASE I/O SELECTION

               Address                                 W19

                  190H                     Pins 1 & 2, 3 & 4 closed

                   290H                         Pins 1 & 2 closed

                   390H                         Pins 3 & 4 closed

                   390H                               Open

                       EXTENDED BIOS MODE SELECTION

                 Setting                                W2

                    VT100                        Pins 5 & 6 closed

               Serial download                   Pins 7 & 8 closed

               Standard mode                    Pins 5 & 6 closed

                Normal mode                     Pins 7 & 8 closed

