Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!iuvax!rutgers!apple!keith
From: keith@Apple.COM (Keith Rollin)
Newsgroups: comp.sys.apple
Subject: Re: GS/OS Answers
Message-ID: <25072@apple.Apple.COM>
Date: 31 Jan 89 17:20:38 GMT
References: <8901292316.AA17279@crash.cts.com> <8519@claris.com>
Organization: Apple Computer Inc, Cupertino, CA
Lines: 22

In article <8519@claris.com> scott@claris.com (Scott Lindsey) writes:
>
>Ever since Hartford (GS/OS) was bootable from a CMS, I've witnessed the
>odd behaviour of the thermometer.  This has been the case on both a 60Mb
>and a 20Mb drive.  The actual drawing of the thermometer is done by
>a heartbeat task.  I'd guess it has something to do with the fact that
>CMS's require a generated driver (the driver is not the same as the SCSI
>driver in the DRIVERS directory, but is generated on the fly).  At any
>rate, this is not indicative of problems.  It's just something you have
>to get used to.
>

The problem has to do NOT with simply the fact that the CMS card uses a
generated driver, but the fact that the firmware that the generated driver
calls turns off interrupts. As far as we could tell, there was no way to
change the CMS ROMs from software to fix this problem.

Keith Rollin  ---  Apple Computer, Inc.  ---  Developer Technical Support
INTERNET: keith@apple.com
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      "You can do what you want to me, but leave my computer alone!"