On Wed, 25 Feb 2009 21:36:30 +0000, Baron
put finger to keyboard and
composed:

My original IBM AT is still under the bench collecting dust and heavens
knows what livestock is living in it. I've still got the full hight
360K drive as well.

I have many of the schematics for the original IBM PC/AT, including
the 360KB FDD.

Here is the FDD/HDD controller:
http://www.users.on.net/~fzabkar/PC-AT/FDC_HDC/

This sheet shows the floppy interface:
http://www.users.on.net/~fzabkar/PC-...C_HDC_Sht4.JPG

- Franc Zabkar
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