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- Newsgroups: comp.sys.mac.programmer
- Path: sparky!uunet!wupost!darwin.sura.net!mojo.eng.umd.edu!russotto
- From: russotto@eng.umd.edu (Matthew T. Russotto)
- Subject: Re: GPi or CTS input
- Message-ID: <1992Sep05.230000.19397@eng.umd.edu>
- Date: Sat, 05 Sep 92 23:00:00 GMT
- Organization: College of Engineering, University of Maryland, College Park
- References: <Bu1xHC.ADz@iat.holonet.net>
- Lines: 18
-
- In article <Bu1xHC.ADz@iat.holonet.net> ajcurtis@iat.holonet.net (Allen J. Curtis) writes:
- >
- > I have been trying to receive a digital input signal from the
- >standard MAC serial ports. My first attempt at this used the GPI line
- >and the tech note information (286?). However this did not appear to
- >work on a Quadra. The only explaination that I have for this is that
- >there is not any SCC support on the Quadra which is stated as required
- >in the tech note.
-
- Which Quadra? I don't think there is anything special about the 700,
- but the 900 and 950, I believe, have IO processors that would get in
- the way. You'd need to turn them off. (there's an init for doing
- that)
- --
- Matthew T. Russotto russotto@eng.umd.edu russotto@wam.umd.edu
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