>> >A question for experiencer: Do I need some additional CPU fan?
>>
>> Yes, actually. The 68030 max. temperature is 70=83c. 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
>>MHz. :-(
>
>Do I need an additional fan?  Or can I just pop out the current one and
>place it directly on the chip?
>

Excuse me, i mixed up cpu fan and heat fan. What you need is a heat sink :
a piece of metal to stuck over the cpu. A fan cools the cpu better than a
sink but it not necessary at all here. (Leave the current fan where it is ;-=
)).

-- Francois Pays