MODULAR CIRCUIT TECHNOLOGY

MCT-PDC-HD4

Card Type          Floppy drive controller
Chipset/Controller Unidentified
I/O Options        Floppy drive interface (4)
Maximum DRAM       N/A

[Image]

                                CONNECTIONS

       Purpose           Location           Purpose            Location

  Floppy drive              CN1        Floppy drive              CN2
  interface (for                       interface (for
  drives 1 & 2)                        drives 3 & 4)

  FIRST DRIVE TYPE SELECTION

   Type      J1/A      J1/B

  360KB     Closed     Open

  720KB     Closed    Closed

  1.2MB      Open      Open

  1.44MB     Open     Closed

  SECOND DRIVE TYPE SELECTION

   Type       J1/C      J1/D

   360KB     Closed     Open

   720KB     Closed    Closed

   1.2MB      Open      Open

  1.44MB      Open     Closed

  THIRD DRIVE TYPE SELECTION

   Type      J1/E      J1/F

  360KB     Closed     Open

  720KB     Closed    Closed

  1.2MB      Open      Open

  1.44MB     Open     Closed

  FOURTH DRIVE TYPE SELECTION

   Type       J1/G      J1/H

   360KB     Closed     Open

   720KB     Closed    Closed

   1.2MB      Open      Open

  1.44MB      Open     Closed