
TYAN COMPUTER CORPORATION

S1342 (REV. 1.6)

Data Bus                32-bit VESA Local Bus
Card Size               Three-quarter length, Half-height card
Hard Drives supported   Four IDE (AT) drives
Floppy drives supported Two 360KB, 720KB, 1.2MB, or 1.44MB drives

[Image]

                                CONNECTIONS

        Function          Location           Function          Location

  34-pin cable               CN1      9-pin serial port 1 -       CN6
  connector - floppy                  external
  drive 1

  25-pin parallel port       CN2      40-pin secondary            CN7
  - external                          IDE(AT) connector

  40-pin primary             CN3      4-pin connector -           CN8
  IDE(AT) connector                   secondary

                                      drive active LED

  4-pin connector -          CN4      34-pin cable                CN9
  primary                             connector - floppy
                                      drive 2
  drive active LED

  10-pin serial port 2       CN5      16-pin game port -         CN10
  - internal                          internal

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

     I/O Channel Ready signal disabled           J7           Open

      I/O Channel Ready signal enabled            J7          Closed

     Floppy drive enabled                        J8         Pins 2 & 3
                                                              closed

      Floppy drive disabled                       J8         Pins 1 & 2
                                                              closed

     Floppy drive normal compatible mode        J16         Pins 2 & 3
                                                              closed

      Floppy drive enhanced mode                 J16         Pins 1 & 2
                                                              closed

     VL IDE enabled                             J17         Pins 2 & 3
                                                              closed

      VL IDE disabled                            J17         Pins 1 & 2
                                                              closed

     Floppy drive port address is 3F0-3F7h      J26         Pins 2 & 3
                                                              closed

      Floppy drive port address is 370-377h      J26         Pins 1 & 2
                                                              closed

     Game Port enabled                          J37          Closed

      Game Port disabled                         J37           Open

                      FLOPPY DRIVE CHANNEL SELECTION

             Function                   J4           J5           J6

     Primary channel, two             Open         Open         Open
      floppy-drives enable

      Two channel, four floppy        Closed       Closed       Closed
      drives enabled

  Note: Four floppy drive support is mutually exclusive with the parallel
  port special features.

                      PARALLEL PORT ADDRESS SELECTION

           Setting                     J9                    J27

             LPT1             Pins 2 & 3 closed      Pins 2 & 3 closed

              LPT2             Pins 2 & 3 closed      Pins 1 & 2 closed

              LPT3             Pins 1 & 2 closed      Pins 1 & 2 closed

            Disabled           Pins 1 & 2 closed      Pins 2 & 3 closed

                      SERIAL PORT 1 ADDRESS SELECTION

           Setting                    J10                    J11

             COM1             Pins 2 & 3 closed      Pins 2 & 3 closed

              COM2             Pins 2 & 3 closed      Pins 1 & 2 closed

              COM3             Pins 1 & 2 closed      Pins 2 & 3 closed

            Disabled           Pins 1 & 2 closed      Pins 1 & 2 closed

                      SERIAL PORT 2 ADDRESS SELECTION

           Setting                    J12                    J13

              COM1             Pins 2 & 3 closed      Pins 1 & 2 closed

             COM2             Pins 2 & 3 closed      Pins 2 & 3 closed

              COM4             Pins 1 & 2 closed      Pins 2 & 3 closed

            Disabled           Pins 1 & 2 closed      Pins 1 & 2 closed

                     HARD DRIVE PORT ADDRESS SELECTION

            Setting                     J18                   J19

       Primary & Secondary IDE   Pins 1 & 2 closed     Pins 2 & 3 closed
               active

      Primary IDE address is    Pins 2 & 3 closed     Pins 2 & 3 closed
                1F0h

       Primary IDE address is    Pins 2 & 3 closed     Pins 1 & 2 closed
                170h

                      HARD DRIVE WAIT STATE SELECTION

         Address               J20              J21             J22

         VL Bus speed       Pins 1 & 2       Pins 2 & 3      Pins 1 & 2
           <33MHz             closed          closed           closed

         VL Bus speed       Pins 2 & 3       Pins 1 & 2      Pins 2 & 3
           >33MHz             closed          closed           closed

     Any VL Bus speed      Pins 2 & 3       Pins 2 & 3      Pins 2 & 3
                              closed          closed           closed

                       PARALLEL PORT MODE SELECTION

              Setting                      J28                 J29

         Enhanced Parallel Port      Pins 1 & 2 closed  Pins 2 & 3 closed
                 (EPP)

         Extended Capacity Port      Pins 2 & 3 closed  Pins 1 & 2 closed
                 (ECP)

               ECP & EPP             Pins 1 & 2 closed  Pins 1 & 2 closed

               Standard             Pins 2 & 3 closed  Pins 2 & 3 closed

                      SERIAL PORT INTERRUPT SELECTION

   Port 1      Port 2       J32            J33           J34         J35

       IRQ4     IRQ3        Open         Closed         Closed      Open

       IRQ4     none        Open         Closed          Open       Open

       none     IRQ3        Open          Open          Closed      Open

       IRQ3     IRQ4        Open       J33/pin1 to       Open
                                        J34/pin1

                                       J33/pin2 to
                                        J34/pin2

       IRQ5     IRQ3        Open       J33/pin1 to       Open
                                        J34/pin1

        no      IRQ4        Open       J33/pin2 to       Open
       IRQ3                             J34/pin2

       IRQ5     IRQ3        Open         Closed       J34/pin2 to
                                                       J35/pin2

       IRQ5      no         Open          Open        J34/pin2 to
                IRQ3                                   J35/pin2

       IRQ4     IRQ5     J32/pin2 to     Closed          Open
                          J33/pin2

        no      IRQ5     J32/pin2 to      Open           Open
       IRQ4               J33/pin2

                     PARALLEL PORT INTERRUPT SELECTION

              IRQ                       J35                   J36

     Parallel port interrupt          Open                 Closed
      is IRQ7

      Parallel port interrupt         Closed                 Open
      is IRQ5

      Disabled                         Open                  Open

                           DMA CHANNEL SELECTION

     Setting          J38        J39        J40        J41         J42

          1         Closed      Open        Open      Closed     Closed

          3         Closed     Closed      Closed      Open       Open

      Disabled      Open       Open        Open       Open       Open

