Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!jason
From: jason@cs.utexas.edu (Jason Martin Levitt)
Newsgroups: comp.sys.mac.hardware
Subject: IIci Parity Detection (Was: Re: 4Mb SIMMs)
Summary: Hardware option.
Message-ID: <1120@gort.cs.utexas.edu>
Date: 9 Feb 90 21:02:22 GMT
References: <17118@eerie.acsu.Buffalo.EDU> <6530@uhccux.uhcc.hawaii.edu>
Organization: U. Texas CS Dept., Austin, Texas
Lines: 23

In article <6530@uhccux.uhcc.hawaii.edu> yuan@uhccux.uhcc.hawaii.edu (Yuan 'Hacker' Chang) writes:
>
>	FYI -- The IIci (not the IIcx) will do parity detection when fed 
>x9 SIMMs.  That's the good news.  The bad news is that all it does with
>that information is to ask you to restart (according to the manual).  I'd
>much prefer to be given a chance to recover from the error.  If I'm working
>on a 2M document on a 32M machine, I wouldn't want a flipped bit where it
>doesn't count to cause me to loose my work.  I think we'll stick with x8
>SIMMs...

  I thought that you had to order parity checking as an "optional
feature" [quote from IIci Owner's Manual] and that it did not come standard
with parity checking ability. Does the IIci automatically do parity
checking when 1x9 SIMMs are used? 

   ---Jason
-----

Jason Martin Levitt    P.O. Box 49860  Austin, Texas 78765  (512) 459-0055
Internet: jason@cs.utexas.edu         | "Disneyland exemplifies the essence of
UUCP    : cs.utexas.edu!hackbox!jason |  the American spirit and continues to
BIX     : jlevitt                     |  show us the way to follow our dreams."
                                      |             -Ronald Reagan [1990]