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Article #8075

Re: Quantum ROM fix report

#8075
From: Julian Vrieslander
Date: Sun, 19 Nov 1989 02:56
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In article <14618@well.UUCP> espen@well.UUCP (Peter Espen) writes:
>>  In fact, MicroNet has put a freeze on purchasing ALL Quantum drives
>> until the problem is 100% fixed.  The drive mechanism problem on the P-40S and
>> P-80S has replicated itself on the P-105S, but to a much lesser extent, so
>> before the 105's got really bad, MicroNet just basically told Quantum "call us
>> when it's fixed, we're not selling anything made by you until you do."
>>  
>
>	Well it's been over 5 weeks since the new ROM "fix" was installed
>on my 80 meg Quantum drive, and contrary to what Apple and Quantum are
>trying to tell us, my drive is still going thru these noisy exercise
>routines that slow the drive response down by at least 4 times. In fact,
>my drive is doing it right at this moment.
>	To bad Apple and Quantum can't just be honest and try to come up
>with a REAL solution. Maybe they could even let people like me trade up
>to a 105 drive for a small fee.

I have had a SuperMac XP100i up and going for a couple of days now (after
finally getting the correct power connector).  I believe this is a Quantum
Pro 105 drive.

I do notice that the drive will occasionally exercize its swing arm when
there is no read/write going on.  Every few minutes there is a very brief
sound, as if the arm makes one stroke and stops (I have not timed it).
It was a bit disconcerting at first, but the activity is barely audible and does
not interfere with the subjective responsiveness of the drive.  In fact,
most folks are pleasantly surprised at the speediness of this disk (of course,
the IIci gets some of the credit here).

Is the spontaneous activity on the 40 and 80 meg Quantums much more frequent
and noisy?

-- 
Julian Vrieslander 
Neurobiology & Behavior, W250 Mudd Hall, Cornell University, Ithaca NY 14853    
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From: eacj@batcomputer.tn.cornell.edu (Julian Vrieslander)
Newsgroups: comp.sys.mac,comp.sys.mac.hardware
Subject: Re: Quantum ROM fix report
Message-ID: <9323@batcomputer.tn.cornell.edu>
Date: 19 Nov 89 02:56:39 GMT
Article-I.D.: batcompu.9323
References: <14618@well.UUCP>
Reply-To: eacj@tcgould.tn.cornell.edu (Julian Vrieslander)
Organization: Cornell Theory Center, Cornell University, Ithaca NY
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