Subject: LC3 CPU fan
To: <>
From: Rick C. Petty <pett0019@gold.tc.umn.edu>
List: port-mac68k
Date: 11/01/1995 10:23:34
On Tue, 31 Oct 1995, Francois Pays wrote:

> >> I have not noticed anormal CPU or bus error since I have made the patc=
h.
> >> But you are right, it is a little dangerous...
> >> (In any case, that voids your warranty)

What warrantee?  Apple dropped me like a fly...

> >A question for experiencer: Do I need some additional CPU fan?
>=20
> Yes, actually. The 68030 max. temperature is 70=B0c. At 25 MHz and withou=
t
> CPU fan, it is allready really hot (Check yourself). The heat given out b=
y
> a given CPU is proportional to the frequency square. As a result, the CPU
> gives out 80% more heat at 33MHz than at 25MHz.
> Without heat fan, a boosted 33 MHz 68030 is likely to drop quickly to 0 M=
Hz. :-(

Do I need an additional fan?  Or can I just pop out the current one and=20
place it directly on the chip?

--Rick C. Petty,  aka Snoopy
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