UNIDENTIFIED

AT BUS + 2S/1P

  Data bus:                  16-bit, ISA

  Size:                      Half-length, full-height card

  Hard drive supported:      Two IDE (AT) Interface drives

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

[Image]

                              CONNECTIONS

                    Function                           Location

  40-pin IDE(AT) Interface connector                      J1

  34-pin control cable connector - floppy drive           J2

  4-pin connector - Drive active LED                      J5

  10-pin serial port (COM2/4) - internal                  J9

  10-pin serial port (COM1/3) - external                  J10

  25-pin parallel port (LPT1/2) - external                J12

                        USER CONFIGURABLE SETTINGS

               Function                     Location           Setting

  »   Single speed floppy drives               J3             pins 1 & 2
      supported                                                closed

      Dual speed floppy drives                 J3             pins 2 & 3
      supported                                                closed

  »   Floppy drive precompensation             J4             pins 2 & 3
      enabled                                                  closed

      Floppy drive precompensation             J4             pins 1 & 2
      disabled                                                 closed

  »   Chasis ground enabled                    J11             closed

      Chasis ground disabled                   J11              open

  »   Serial Port 2 (J9) Interrupt        J13/jumper 3         closed
      Request IRQ3 enabled

      Serial Port 2 (J9) Interrupt        J13/jumper 3          open
      Request IRQ3 disabled

  »   Serial Port 1 (J10) Interrupt       J13/jumper 4         closed
      Request IRQ4 enabled

      Serial Port 1 (J10) Interrupt       J13/jumper 4          open
      Request IRQ4 disabled

                          BIOS TYPE CONFIGURATION

              Type                    J6/jumper 1         J6/jumper 2

  »      IBM-compatible BIOS             open                closed

               IBM BIOS                 closed                open

                     SERIAL PORT 1 (J10) CONFIGURATION

           COM                  J7/jumper 1              J7/jumper 3

  »            1                   closed                   open

               3                    open                   closed

                     SERIAL PORT 2 (J9) CONFIGURATION

           COM                  J7/jumper 2              J7/jumper 4

  »            2                   closed                   open

               4                    open                   closed

                     PARALLEL PORT (J12) CONFIGURATION

             LPT                   J7/jumper 5            J7/jumper 6

  »              1                     open                 closed

                 2                    closed                 open

             Disabled                  open                  open

                        FLOPPY DRIVE CONFIGURATION

            Function                 J8/jumper 1          J8/jumper 2

  »   Floppy drive port                 closed                open
      address is 3F0-3F7h

      Floppy drive port                  open                closed
      address is 370-377h

      Floppy drive disabled              open                 open

                   PARALLEL PORT (J12) INTERRUPT REQUEST

           IRQ                 J13/jumper 1             J13/jumper 2

              5                   closed                    open

  »           7                    open                    closed