Adding a 3rd floppy to an old PC SCSI controller

Christian Corti cc at informatik.uni-stuttgart.de
Tue Apr 1 02:47:25 CST 2008


On Mon, 31 Mar 2008, Chuck Guzis wrote:
> drive select out to the floppy connector.  So, for 5 minutes of time,
> and a couple of lengths of wire wrap wire and a hot soldering iron,
> all one need do is strap pin 4 of the floppy connect to pin 1 of the
> 8473 and pin 6 of the floppy connector to pin 42 of the 8473.

The 8473 directly supports four drives, so you can do the "trick" a second 
time for a fourth drive. And even some motherboard Super I/O chips have 
support for four drives, the outputs are simply not used.

Christian


More information about the cctech mailing list