
TEKNOR INDUSTRIAL COMPUTERS, INC.

VIPER821

Device Type         Single board computer
Processor           AM K6/Pentium/Pentium MMX
Processor Speed     75/90/100/120/133/150/166/200/233MHz
Chip Set            Intel 430HX
Video Chip Set      Cirrus Logic
Maximum Onboard     256MB (EDO supported)
Memory
Maximum Video       Unidentified
Memory
Cache               512KB
BIOS                Unidentified
Dimensions          185mm x 122mm
I/O Options         Ethernet 10BaseT connector, floppy drive interface, IDE
                    interface, parallel port, PS/2 mouse interface, serial
                    ports (2), VGA port, VGA interface, PC/104 connectors
                    (2), USB connector

[Image]

                                CONNECTIONS

  Purpose                     Location    Purpose               Location

  IDE interface                  J1       Power connector         J11

  Floppy drive interface         J2       Flash disk              J12
                                          connector

  Keyboard/speaker               J3       VGA port                J13
  connector

  Serial port 2                  J4       PS/2 mouse              J14
                                          interface

  Parallel port                  J5       Ethernet 10BaseT        J15
                                          connector

  Flat panel connector           J6       Chassis fan power       J16

  VGA interface                  J7       USB connector           J17

  Flat panel connector           J8       PC/104 connector         P1

  Serial port 1                  J9       Regulator                P2
                                          connector

  Power connector               J10       PC/104 connector         P3

                        USER CONFIGURABLE SETTINGS

                 Function                      Label          Position

     Watchdog timer enabled                    W8             Closed

      Watchdog timer disabled                   W8              Open

     Non maskable IRQ on power fail            W9              Open
      output disabled

      Non maskable IRQ on power fail            W9             Closed
      output enabled

     Battery disabled                          W10             Open

      Battery type select internal              W10          Pins 1 & 2
                                                               closed

      Battery type select external              W10          Pins 2 & 3
                                                               closed

     Power failure select external             W11          Pins 1 & 2
      power fail input to pin 6 on J11                         closed

      Power failure select                      W11          Pins 2 & 3
      internal/external batter when < 3v                       closed

     Flat panel voltage select 5v              W12          Pins 1 & 2
                                                               closed

      Flat panel voltage select 3.3v            W12          Pins 2 & 3
                                                               closed

     Factory configured - do not alter     W13/pins 1 &        Open
                                                 2

     Factory configured - do not alter     W13/pins 3 &        Open
                                                 4

     On board video enabled                W13/pins 5 &       Closed
                                                 6

      On board video disabled               W13/pins 5 &        Open
                                                 6

     CPU < 233MHz                          W13/pins 7 &        Open
                                                 8

      CPU > 233MHz                          W13/pins 7 &       Closed
                                                 8

              SIMM CONFIGURATION

         Size                  Bank 2

          8MB                (2) 1M x 36

         16MB                (2) 2M x 36

         32MB                (2) 4M x 36

         64MB                (2) 8M x 36

         128MB              (2) 16M x 36

         256MB              (2) 32M x 36

            Note: Board accepts EDO memory.

                 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 (AM K6)

   CPU     Clock    Multiplier    W1      W2      W3       W4        W5
  speed    speed

  166MHz   66MHz      2.5x       Closed   Open   Closed   Closed   Closed

  200MHz   66MHz       3x        Closed   Open   Closed   Closed    Open

  233MHz   66MHz      3.5x       Open     Open   Closed   Closed    Open

                        CPU SPEED SELECTION (INTEL)

   CPU     Clock   Multiplier     W1       W2       W3      W4       W5
  speed    speed

  75MHz    50MHz      1.5x       Open    Closed   Closed   Open     Open

  90MHz    60MHz      1.5x       Open    Closed    Open    Open     Open

  100MHz   66MHz      1.5x       Open     Open    Closed   Closed   Open

  120MHz   60MHz       2x        Open    Closed    Open    Open     Closed

  133MHz   66MHz       2x        Open     Open    Closed   Closed   Closed

  150MHz   60MHz      2.5x      Closed   Closed    Open    Open     Closed

  166MHz   66MHz      2.5x      Closed    Open    Closed   Closed   Closed

  200MHz   66MHz       3x       Closed    Open    Closed   Closed   Open

                      CPU SPEED SELECTION (INTEL MMX)

   CPU     Clock    Multiplier    W1      W2      W3       W4        W5
  speed    speed

  166MHz   66MHz      2.5x       Closed   Open   Closed   Closed   Closed

  200MHz   66MHz       3x        Closed   Open   Closed   Closed    Open

  233MHz   66MHz      3.5x       Open     Open   Closed   Closed    Open

                          SERIAL PORT 2 SELECTION

           Setting                     W6                     W7

  Termination resistors not           Open                   Open
          installed

    Termination resistors            Closed                 Closed
          installed

[Image]

                 CONNECTIONS

  Purpose                     Location

  Regulator connector            P2

                        CPU SPEED SELECTION (AM K6)

   CPU speed      Clock speed     Multiplier         W1           W2

     166MHz          66MHz           2.5x        3 & 5, 4 &      Open
                                                     6

     200MHz          66MHz            3x         3 & 5, 4 &      Open
                                                     6

     233MHz          66MHz           3.5x        3 & 5, 4 &      Open
                                                     6

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (AM K6, CONT)

   CPU     Clock   Multiplier   W3/pins   W3/pins   W3/pins   W3/pins   W3/pins
  speed    speed
                                 1 & 2     3 & 4     5 & 6    7 & 8     9 & 10

  166MHz   66MHz      2.5x      Closed     Open      Open     Closed     Open

  200MHz   66MHz       3x       Closed     Open      Open     Closed     Open

  233MHz   66MHz      3.5x       Open      Open     Closed    Closed     Open

                        CPU SPEED SELECTION (INTEL)

   CPU speed     Clock speed     Multiplier        W1            W2

    100MHz          66MHz           1.5x         1 & 3, 2      Closed
                                                   & 4

    120MHz          60MHz            2x          1 & 3, 2      Closed
                                                   & 4

    133MHz          66MHz            2x          1 & 3, 2      Closed
                                                   & 4

    150MHz          60MHz           2.5x         1 & 3, 2      Closed
                                                   & 4

    166MHz          66MHz           2.5x         1 & 3, 2      Closed
                                                   & 4

    200MHz          66MHz            3x          1 & 3, 2      Closed
                                                   & 4

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (INTEL, CONT)

   CPU     Clock   Multiplier   W3/pins   W3/pins   W3/pins   W3/pins   W3/pins
  speed    speed
                                 1 & 2     3 & 4     5 & 6    7 & 8     9 & 10

  100MHz   66MHz      1.5x      Closed     Open     Closed    Closed     Open

  120MHz   60MHz       2x       Closed     Open     Closed    Closed     Open

  133MHz   66MHz       2x       Closed     Open     Closed    Closed     Open

  150MHz   60MHz      2.5x      Closed     Open     Closed    Closed     Open

  166MHz   66MHz      2.5x      Closed     Open     Closed    Closed     Open

  200MHz   66MHz       3x       Closed     Open     Closed    Closed     Open

                      CPU SPEED SELECTION (INTEL MMX)

   CPU speed      Clock speed     Multiplier         W1           W2

     166MHz          66MHz           2.5x        3 & 5, 4 &      Open
                                                     6

     200MHz          66MHz            3x         3 & 5, 4 &      Open
                                                     6

     233MHz          66MHz           3.5x        3 & 5, 4 &      Open
                                                     6

  Note: Pins designated should be in the closed position.

                     CPU SPEED SELECTION (INTEL MMX, CONT)

   CPU     Clock   Multiplier   W3/pins   W3/pins   W3/pins   W3/pins   W3/pins
  speed    speed
                                 1 & 2     3 & 4     5 & 6    7 & 8     9 & 10

  166MHz   66MHz      2.5x       Open      Open      Open     Closed     Open

  200MHz   66MHz       3x        Open      Open      Open     Closed     Open

  233MHz   66MHz      3.5x       Open      Open      Open     Closed     Open

