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- Newsgroups: comp.sys.next.hardware
- Path: sparky!uunet!cs.utexas.edu!wupost!gumby!destroyer!ubc-cs!sritchie
- From: sritchie@cs.ubc.ca (Stuart Ritchie)
- Subject: Re: Max Serial Port Speed stuck at 9600
- Message-ID: <1992Sep11.093346.28557@cs.ubc.ca>
- Sender: usenet@cs.ubc.ca (Usenet News)
- Organization: Computer Science, University of B.C., Vancouver, B.C., Canada
- References: <1992Sep9.133643.920@yvax.byu.edu> <BuEI5J.4sp@iat.holonet.net>
- Date: Fri, 11 Sep 92 09:33:46 GMT
- Lines: 22
-
- In article <BuEI5J.4sp@iat.holonet.net> bwilliam@iat.holonet.net (Bill Williams) writes:
- >Believe me, The Mac handles serial better than the NeXT allows currently.
-
- Unless you're running Unix on the Mac. I guess that a Mac
- will suffer similar interrupt overhead in this case.
-
- >And the computer I own (A IIfx) has dedicated computer subsystems using
- >65C02 processors to handle the serial ports. (This is a feature that was
- >discontinued by Apple years ago and was only put in the Mac IIfx)
-
- Perhaps the Apple engineers added this feature to help reduce
- interrupt overhead when running heavyweight operating systems.
- Do you run Unix on your IIfx? Can you compare serial port
- performance: Unix vs. MacOS? Just curious...
-
- Stuart
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