Re: The Macintosh 4400/166 fan noise problem

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Article #1066

#1066

From: Rebecca and Rowland
Date: Wed, 27 May 1998 00:00

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andy the pugh <A.C.Pugh@shef.ac.uk> wrote:

> In article <B18C8AFB96684D42B@dialup-21-25.netcomuk.co.uk>, the moving
> finger of s@netcomuk.co.uk wrote...
> >
> 
> >Sorry to reply to my own post but I've just noticed I put '4400/166' when
> >it should have been '4400/160'. Do you think this could have been a
> >Freudian slip?
> 
> They run just fine at 220MHz by the way,[snip]

Some will; some won't.

> Mine is currently clocked at 200MHz, as I thought that 5.5 was an odd bus
> multiplyer, but all the benchmarks (and RC5 keyrates) were better at 220.
> 
> I tried 240MHz, but it wouldn't boot. Anyone any idea why? 

Yes, it's 50% beyond spec.  The only guaranteed speed is 160MHz.
Anything faster is down to luck.

[snip]

Rowland.

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<B18B5BDB966849B5@dialup-11-50.netcomuk.co.uk> <B18C8AFB96684D42B@dialup-21-25.netcomuk.co.uk> <6kedn9$q3n$3@bignews.shef.ac.uk>

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From: real-address-in-sig@rhu.barb.foobar (Rebecca and Rowland)
Subject: Re: The Macintosh 4400/166 fan noise problem
Date: 1998/05/27
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References: <B18B5BDB966849B5@dialup-11-50.netcomuk.co.uk> <B18C8AFB96684D42B@dialup-21-25.netcomuk.co.uk> <6kedn9$q3n$3@bignews.shef.ac.uk>
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