On Wed, 20 Mar 2002 11:53:00 -0500 (EST) JOHN HEMMER <[EMAIL PROTECTED]> wrote:
> > On Tue, 19 Mar 2002, James wrote: > > > On Tue, 19 Mar 2002 20:36:36 -0800 (PST) > > "David Guntner" <[EMAIL PROTECTED]> wrote: > > > > > Tom Brinkman grabbed a keyboard and wrote: > > > > > > > > On Tuesday 19 March 2002 13:13, David Guntner wrote: > > > >> > > > >> I went to AMD's site, and while I could find a PDF document titled > > > >> "AMD-K6- 2 Processor Data Sheet," the Thermal Design section only says > > > >> that it's supposed to run with a case temprature within a > > > >> certain range. They also don't mention the 550MHz chip. > > > > > > > > Well, maybe you can get the info somewhere, but it should be on > > > > their site. FWIW, my 1.4/266 Tbird is spec'd at 95C, but the 1.4 is > > > > also the hottest cpu AMD makes. Your K6 should be lower, 80C, maybe > > > > 85C is probly a decent guess on the high end, but it could be in the > > > > 70's. > > > > > > At least when I reboot to look at it in the BIOS, it's well below that. > > > > > > I'll keep looking, but if it isn't in the "Themal Design" section of the > > > Processor Data Sheet, I'm kind-of at a loss for where to look... :-) > > > > > > Thanks again for all the information and suggestions. > > > > > > --Dave > > > > Dave when you switched CPU's did you use the same fan? If it isn't moving enough >air it would cause them both to do the same thing. Having run a lot of k-6's from >300 - 500 mhz I've found that ideal temp for the "stock" fan is about 50 celcius and >with a high end fan you can get down to about 42 to 45 (it improves benchmarks ever >so slightly) under normal load. > > > > James > > > > I have a 450MHz K6 cpu in my tower box. I use to leave it > running all the time; however, as time went on it windows > 98 crashed constantly. After reinstalling windows several > times, I installed a dual boot Linux. I use Linux almost > exclusively now, because everytime I reinstall Windows it > crashes after a couple of days... to the severity of where > it is easier to reinstall windows, than it is diagnose the > fix the problem. > > Anyways, if I leave my computer on constantly, it freezes > after 20 hours or so, even running Linux; however, I can > fix Linux by running fsck. > > As a result of all this I turn my computer off each night, > so it usually only runs 16 to 18 hours a day. Doing this > I don't seem to have problems, at least with Linux. > > After several years of repairing Minicomputer to the actual > bad logic gate, I have no desired to do that again. So my > question is can any recommend a good reliable fan, without > getting into the engineering specs, that will let me run > trouble free. > > Thanks, > > John > > PS. If it does run trouble free, I promise...I won't go back > to using windows. :-) I've had good luck with just about any of the Cylindrical fans (or as we call them squirrel cage.) or at least all the versions I've tried have worked. I'd tell you the name of the fan on this box but I can't spin my eyes fast enough *grin* Also look for a taller heat sink. To many of the stock k-6 fans had a low profile heat sink and as such even if the fan is at full tilt it doesn't have enough "surface area" to properly cool a box. The final thing we found. Don't use the fans that get power from the mobo. For some reason we found that the same fan powered from the mobo was turning slower and moving less air than one that got power straight from the power supply. (yep we actually put a stobe tach for cars on it and read the results.. god was that a kludge) The mobo ones seemed to be about 10-13% slower than the same model that connected to the power supply directly. To check the fan go into your bios and watch the temp of the cpu rise. With the larger fans it's a ! noticably slower rise and it seems to level out about 7-10 degrees cooler. Also for long live look for one that is ball bearing not sleeve. The sleeves last about 6months running 24-7 before the first one goes. The ball bearing seem to last about 2 - 3 years. (Field results of about 100 boxes all over the US and Canada.) James > > >
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