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Floppy Controller
Micronik: MFD4
Connection: Other |
MFD4
Hi Res Version, MFD4 - 202K
Image of PCB - 183K
Image showing modified floppy cable - 179K
The MFD4 allows the installation of two internal floppy drives in a tower, for example when rehousing an A1200 motherboard. The ribbon cable is a straight-through ribbon cable from the floppy drive header on the motherboard, to the first internal floppy drive (ie Pin 1 -> Pin 1, Pin 2 -> Pin 2 etc). From the first floppy drive to the second, wire 4 has been cut and pin 14 goes to pin 16. The other ends of 14 and 16 remain disconnected.
Cable Diagram
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DF1: DF0: Internal floppy port
At the internal floppy port 3 wires (6, 14 and 34) are attached to the small PCB. The PCB connects to the chip beneath the floppy controller header on the A1200 and contains a jumper block labelled DF1:, DF2: and DF3:. The PCB also contains a row of 6 pins where pin 3 has been removed. It is not known what these are used for.
Contributions to this page by:
Allan Müller
Letzte Änderung des Artikels: 2009-01-25 18:16
Revision: 1.0
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