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Can a cpu be underclocked to a degree that.....

Depends what CPU, but yes with ease.

There is a thread on XS about someone underclocking until they just had the heatspreader and a 90mm fan at 5v cooling the cpu! (3000+ athlon 64)

//Edit they also managed to get it up to stock speed with just a BGA ramsink
:D
 
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I'd imagine the toniq tower could handle some cpus a little overclocked with no fan, putting my finger in my arctic silver 64 pro it takes ages for the temps to get really high, the heatsink does most of the job.
 
Raikiri said:
Depends what CPU, but yes with ease.

There is a thread on XS about someone underclocking until they just had the heatspreader and a 90mm fan at 5v cooling the cpu! (3000+ athlon 64)

//Edit they also managed to get it up to stock speed with just a BGA ramsink
:D
Click to expand...


Linkage?
 
Yeh it's possible. Closest I've got is Running an Athlon64 3000@ 1.8Ghz 1.16V 32M stable on an Akasa Evo 120. Fan would kick in time to time (low rpm albeit) to keep it under 38*c.

I'm trying to get it to run near passive in my server.

Mul
 
Not exactly top of the range, but I run my Celeron800 in the my download box passive. Ive simply replaced the stock hsf with an Athlon XP heatsink. CPU temp is stable at about 29-32degrees after running for 3-4weeks non stop :)
 
If you can find a decent sized heatsink, I don't see why not.

Hell, I know of a Pentium 200MMX which has had a passive heatsink for years! Saying that, I did use a fairly decent sized heatsink from my overclocked Celeron 400. ;)
 
meh, after bringing my system back from a lan party i turned it on and thought nothing of it. i won't lie it did crash when this happened but only after a couple hours of gaming. i checked the case to see why and the wire from the fan on my zally 120mm sink had gotten caught up so the fan wasn't running for a couple days. it was on 24/7, a bit toasty and stood up to full load gaming for long periods. this was a 4400+ @ 2.6Ghz@ 1.5v , pretty sure it woulda been fine at stock voltage and speed.

chucking a thermaltake sonic tower thing on it soon(had it for ages, just haven't been bothered to install). might run it semi-passive. extraction fan will still be drawing air through it to a point as its fairly close, as well as psu fan. unless you've got a really crummy fan on the heatsink for cpu its rarely the loudest thing i find in cases. chipset fans, psu's, case fans, gpu fans.
 
why would u want to do this? and there is a heatsing that is designed for this its called scythe something fanless buy it does state u have to use a fan with cpu's over a certain limit
 
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