Date: Wed, 28 Jan 1998 23:46:21 -0800 (PST) From: Howard Lew <digital@www2.shoppersnet.com> To: Greg Lehey <grog@lemis.com> Cc: FreeBSD hardware Users <freebsd-hardware@FreeBSD.ORG> Subject: Re: Heat sinks and coolers: grease or pad? Message-ID: <Pine.BSF.3.96.980128233603.22730A-100000@www2.shoppersnet.com> In-Reply-To: <19980129154037.61654@lemis.com>
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On Thu, 29 Jan 1998, Greg Lehey wrote: > I recently bought an AMD K6/233, and I'm still looking for a cooler > which will keep it cool enough. Today I got a thing double the size > of the last (well-dimensioned) one, and mounted it. It look bovine > rc564 3 minutes to overheat the processor. > > I'm wondering what to do next. Both this cooler (which claims a > thermal resistance of 0.8°C/W) and the previous one have a pad stuck > on to the processor side, presumably in order to facilitate heat > transfer. What's the best way to use this? Should I use thermal > grease anyway? Should I use it instead? Any other bright ideas? Yes, use thermal grease. I have seen an instance where a K6-233 cpu without the heatsink grease will not boot up Win95 completely, but when the grease is applied it works like a charm. I think because of this AMD makes heatsink grease mandatory. If the heatsink is getting good thermal contact, the heatsink-fan should be very hot... (a fast fan helps to cool the heatsink too...) Otherwise, you are not getting good thermal contact. If you still have problems, it may be a remarked cpu or perhaps a Cyrix fan may help given that it does spin 3X faster and the heatsink is about a whole inch high.
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