From: "Al Kossow" <aek at bitsavers.org> I shouldn't be saying this because I'm not sure when I'll be able to look for it but I'm almost sure I have the schematics for a 5 Meg Seagate drive someplace in my piles. -- Try http:/www.bitsavers.org/pdf/seagate/ST506_ServiceMan_May82.pdf or the National tech notes.