
UNIDENTIFIED

FD/HD/TD Controller

Data bus: 16-bit,ISA

Size: Half-length, half-height card

Hard drives supported: Two MFM ST506 drives

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

Sector interleave: 1:1

[Image]

                            CONNECTIONS

                   Function                          Location

  34-pin control cable connector-floppy drive           J1

  50-pin control cable connector-tape drive             J2

  20-pin data cable connector-drive 0                   J3

  20-pin data cable connector-drive 1                   J4

  34-pin control cable connector-hard drive             J5

  2-pin connector-drive active LED                      J6

                        TAPE DRIVE I/O PORT ADDRESS

      Address           Jumper W4         Jumper W5         Jumper W6

          208h          pins 2 & 3        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

          108h          pins 1 & 2        pins 2 & 3        pins 1 & 2
                          closed            closed            closed

          218h          pins 2 & 3        pins 1 & 2        pins 2 & 3
                          closed            closed            closed

         118h          pins 1 & 2        pins 2 & 3        pins 2 & 3
                          closed            closed            closed

                        USER CONFIGURABLE SETTINGS

              Function                    Location            Setting

     Reserved for Phase Lock Loop           W1              pins 1 & 2
      Feedback circuit                                        closed

     Reserved for Read Gate                 W1              pins 1 & 2
                                                              closed

     Floppy drive port address is           W7              pins 2 & 3
      3F0-3F7h                                                closed

      Floppy drive port address is           W7              pins 1 & 2
      370-377h                                                closed

     Hard drive port address is             W8              pins 2 & 3
      1F0-1F7h                                                closed

      Hard drive port address is             W8              pins 1 & 2
      170-177h                                                closed

     Reserved for Read Data Window          W9              pins 1 & 2
                                                              closed

     Reserved for Read Data Window          W10             pins 1 & 2
                                                              closed

     Frame ground and signal                W11             pins 1 & 2
      ground                                                  closed

     Frame ground and signal                W12             pins 1 & 2
      ground                                                  closed

                             INTERRUPT REQUEST

     IRQ        SW1/switch 1   SW1/switch 2   SW1/switch 3   SW1/switch 4

      IRQ10         on             off            off            off

      IRQ11         off            on             off            off

      IRQ12         off            off            on             off

     IRQ15         off            off            off             on

                                DMA CHANNEL

     Channel       SW1/switch 5 and   SW1/switch 6 and   SW1/switch 7 and
                          8                  9                  10

        DRQ5             on                off                off

         DRQ6            off                on                 off

         DRQ7            off                off                 on

