UNIDENTIFIED

PM-550C

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two IDE(AT) Interface drives

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

[Image]

                              CONNECTIONS

                    Function                           Location

  2-pin connector - Drive Active LED                      J1

  40-pin IDE(AT) Interface connector                      CN1

  34-pin control cable connector - floppy drive           CN2

  9-pin serial port 1 (COM1) - external                   CN3

  9-pin serial port 2 (COM2) - internal                   CN4

  25-pin parallel port - external                         CN5

                        USER CONFIGURABLE SETTINGS

              Function                   Location            Setting

  »   Floppy drive enabled                  JP2             pins 2 & 3
                                                              closed

      Floppy drive disabled                 JP2             pins 1 & 2
                                                              closed

  »   Hard drive enabled                    JP3             pins 2 & 3
                                                              closed

      Hard drive disabled                   JP3             pins 1 & 2
                                                              closed

                        SERIAL PORT 1 CONFIGURATION

           Select                 JP4/jumper 1           JP4/jumper 3

            Disabled                  open                   open

  »      COM1 (3F8-3FFh)             closed                  open

         COM3 (3E8-3EFh)              open                  closed

         COM4 (2E8-2EFh)             closed                 closed

                        SERIAL PORT 2 CONFIGURATION

           Select                 JP4/jumper 2           JP4/jumper 4

            Disabled                  open                   open

  »      COM2 (2F8-2FFh)             closed                  open

         COM4 (2E8-2EFh)              open                  closed

         COM3 (3E8-3EFh)             closed                 closed

                        PARALLEL PORT CONFIGURATION

           Select                 JP4/jumper 5           JP4/jumper 6

            Disabled                  open                   open

  »      LPT1 (278-27Fh)             closed                  open

         LPT2 (378-37Fh)              open                  closed

                      SERIAL PORT 1 INTERRUPT REQUEST

     Select          JP5/jumper 1      JP5/jumper 2        JP5/jumper 3

  »      IRQ4           closed             open                open

         IRQ5            open             closed               open

         IRQ9            open              open               closed

                      SERIAL PORT 2 INTERRUPT REQUEST

     Select          JP6/jumper 1      JP6/jumper 2        JP6/jumper 3

  »      IRQ3           closed             open                open

         IRQ9            open             closed               open

         IRQ5            open              open               closed

                      PARALLEL PORT INTERRUPT REQUEST

           Select                      JP7                   JP7A

             Disabled                 open                   open

               IRQ5                  closed                  open

  »            IRQ7                   open                  closed