Pinout for SED9421

Dwight K. Elvey dwight.elvey at
Mon Nov 28 20:07:19 CST 2005

>From: "Chuck Guzis" <cclist at>
>On 11/28/2005 at 11:21 PM Ethan Dicks wrote:
>>Dunno how much work it would be to make something like that for a WD
>>FDC-based machine, like a PeeCee.
>How about attaching the read data and index lines on the floppy drive on
>one machine to the FDC on another?  Format the diskette and write the data
>to be transfered on a given track.  Allow the other machine to read it.  
>Klutzy, but it ought to work with very little in the way of extra logic.

 I was thinking that as well but you couldn't have any
of the special characters that are used to mark the various
fields. It would work if the files had ASCII text only but
many of the FxH values would do funny things( for your standard
controller chip, as I recall ) if the files had binary data.

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