Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!unido!fauern!faui43.informatik.uni-erlangen.de!csbrod From: csbrod@immd4.informatik.uni-erlangen.de (Claus Brod) Newsgroups: comp.sys.atari.st Subject: Re: 1.44Meg Drives Message-ID: <1991Feb21.145942.22449@informatik.uni-erlangen.de> Date: 21 Feb 91 14:59:42 GMT References: Distribution: comp Organization: CSD., University of Erlangen, Germany Lines: 19 alanh@logitek.co.uk (Alan Hourihane) writes: > There are 8 pins to wire up, +5v , GND, pin 20 soundchip, pin 19 sound- >chip, pin 18 of WD1772, 32Mhz signal from pin2 of SHIFTER, and 2 HD-select >signals. > I would just like to know the wire to the WD1772, do I solder this >directly onto the chip, or do I have to break it from the motherboard. ddd used our design published in a German computer mag, which leads me to think you will have to break pin 18. It's the clock input from the motherboard, and the HD module works by replacing the standard 8 MHz input with a switchable 8/16 MHz input. ---------------------------------------------------------------------- Claus Brod, Am Felsenkeller 2, Things. Take. Time. D-8772 Marktheidenfeld, West Germany (Piet Hein) csbrod@medusa.informatik.uni-erlangen.de ----------------------------------------------------------------------