
TYAN COMPUTER CORPORATION

S1345 (REV 1.8)

                                   Q2/96

  Data bus:                  32-bit VL-bus

  Size:                      Three-quarter length, half-height card

  Hard drive supported:      Four IDE(AT) drives

  Floppy drives supported:   Two 360KB, 720KB, 1.2MB, or 1.44MB drives

[Image]

                             CONNECTIONS

                    Function                          Location

  10-pin serial port 1 - internal                        CN1

  10-pin serial port 2 - internal                        CN2

  25-pin parallel port - external                        CN3

  16-pin game port                                       CN4

  34-pin cable connector - floppy drive                  CN5

  40-pin primary IDE(AT) connector                       CN6

  4-pin connector - primary drive active LED             CN7

  40-pin secondary IDE(AT) connector                     CN8

  4-pin connector - secondary drive active LED           CN9

                        USER CONFIGURABLE SETTINGS

              Function                    Location           Setting

     IDE(AT) interface enabled              J1             pins 1 & 2
                                                              closed

      IDE(AT) interface disabled             J1             pins 2 & 3
                                                              closed

     Floppy drive order is normal          J11             pins 1 & 2
      (A:, B:)                                                closed

      Floppy drive order is                 J11             pins 2 & 3
      reversed (B:, A:)                                       closed

     Floppy drive interface                J12             pins 1 & 2
      enabled                                                 closed

      Floppy drive interface                J12             pins 2 & 3
      disabled                                                closed

     Factory configured - do not           J13                N/A
      alter

     IOCHRDY signal for primary            J20                open
      IDE disabled

      IOCHRDY signal for primary            J20               closed
      IDE enabled

                   USER CONFIGURABLE SETTINGS CONTINUED

               Function                    Location           Setting

     Parallel port is                        J25             closed
      uni-directional

      Parallel port is bi-directional         J25              open

     Game port enabled                       J26              open

      Game port disabled                      J26             closed

     Factory configured - do not             J91               N/A
      alter

     Factory configured - do not             J92               N/A
      alter

     Factory configured - do not             J93               N/A
      alter

     Factory configured - do not             J94               N/A
      alter

                     PRIMARY IDE WAIT STATE SELECTION

      Clock Speeds              J2              J3               J4

         All speeds        pins 2 & 3       pins 2 & 3      pins 2 & 3
                              closed          closed           closed

          <= 33 MHz         pins 2 & 2       pins 2 & 3      pins 1 & 2
                              closed          closed           closed

          >= 33 MHz         pins 2 & 3       pins 1 & 2      pins 2 & 3
                              closed          closed           closed

                      PARALLEL PORT ADDRESS SELECTION

             LPT                       J5                     J6

          LPT1 (378h)          pins 2 & 3 closed      pins 2 & 3 closed

           LPT2 (278h)          pins 1 & 2 closed      pins 1 & 2 closed

           LPT3 (3BCh)          pins 1 & 2 closed      pins 2 & 3 closed

             Disabled           pins 2 & 3 closed      pins 1 & 2 closed

                      SERIAL PORT 1 ADDRESS SELECTION

             COM                       J7                     J8

          COM1 (3F8h)          pins 2 & 3 closed      pins 2 & 3 closed

           COM3 (3E8h)          pins 1 & 2 closed      pins 1 & 2 closed

           COM4 (2E8h)          pins 2 & 3 closed      pins 1 & 2 closed

             Disabled           pins 1 & 2 closed      pins 2 & 3 closed

                      SERIAL PORT 2 ADDRESS SELECTION

             COM                       J9                     J10

          COM2 (2F8h)          pins 2 & 3 closed      pins 2 & 3 closed

           COM3 (3E8h)          pins 2 & 3 closed      pins 1 & 2 closed

           COM4 (2E8h)          pins 1 & 2 closed      pins 1 & 2 closed

             Disabled           pins 1 & 2 closed      pins 2 & 3 closed

                      SERIAL PORT INTERRUPT SELECTION

   Serial Port 1    Serial Port        J21            J22          J23
       IRQ            2 IRQ

        IRQ4          IRQ3          closed          closed        open

         IRQ4        no IRQ3          open           closed        open

       no IRQ4         IRQ3          closed           open         open

         IRQ3          IRQ4        J21 pin 1 to       open
                                    J22 pin 1

                                   J21 pin 2 to
                                    J22 pin 2

         IRQ3        no IRQ4       J21 pin 1 to       open
                                    J22 pin 1
                                      only

       no IRQ3         IRQ4        J21 pin 2 to       open
                                    J22 pin 2
                                      only

         IRQ5          IRQ3          closed       J22 pin 2 to
                                                   J23 pin 2

         IRQ5        no IRQ3          open        J22 pin 2 to
                                                   J23 pin 2

  Note: When no interrupt is selected for serial port 2, open jumper J21.

  When no interrupt is selected for serial port 1, open jumper J22.

                     PARALLEL PORT INTERRUPT SELECTION

            IRQ                      J23                     J24

             IRQ7                   open                   closed

              IRQ5                  closed                   open

             no IRQ                  open                    open

                            MISCELLANEOUS NOTES

    Jumper J23 appears in more than one table because it serves multiple
                                functions.

