Formerly About Advanced Micro Devices Message Board

STOCKTALK

We've detected that you're using an ad content blocking browser plug-in or feature. Ads provide a critical source of revenue to the continued operation of Silicon Investor. We ask that you disable ad blocking while on Silicon Investor in the best interests of our community. If you are not using an ad blocker but are still receiving this message, make sure your browser's tracking protection is set to the 'standard' level.

Politics : Formerly About Advanced Micro Devices

Public Reply Prvt Reply Mark as Last Read File

Previous 10 Next 10 Previous Next

To: John F. Dowd who wrote (122993)	8/23/2000 9:19:29 PM
From: Dan3	Read Replies (1) of 1578617

Re: 80 degrees C = 176 degrees F. Is this really a problem? Where has this been documented? Sounds like FUD to me. JFD Hi John, The temperature inside the case is usually 10 to 20 degrees above ambient. And most OEMs consider 80C OK. But the fastest current parts have a max at 62C - a little less than 144 Fahrenheit. Think of one of those tiny 40 watt light halogen bulbs inside of a box. Mount it on a thermally insulating fiberglass board so all the heat must be removed from one side. Now make it an absolute requirement that the bulb never ever get warmer than 144 degrees. That's the situation with Intel's 1GHZ and higher processors (the original 1GHZ P3s had a 60C max!) Even keeping an Athlon below 90C (194F) requires a decent fan. But there's a lot more margin with the Athlon - everything doesn't have to be perfect. Here's a copy of an earlier post of mine: Dan ============================================ The thermal requirements for Thunderbird haven't changed. The spec still tolerates a max 90 degree centigrade CPU temperature at all speeds - no special requirement for the higher speed processors. Plenty of headroom - a nice, robust chip. amd.com Meanwhile, the latest stepping of the PIII 700-866MHZ chips will tolerate 80 degrees, but the 933 requires cooling (to 5 degress C less than a standard P3), the 1.0 GHZ requires special cooling (to 10 degrees C below a standard P3) and 1.13 GHZ basically needs a kryotech case (requiring cooling to 18 degrees C below a standard p3). developer.intel.com It appears that, despite all the publicity, Intel's C0 stepping has failed to bring coppermine binsplits anywhere near to AMD's speed grades. Interestingly, the spectre of Duron seems to have collapsed PIII pricing for parts running 733 and lower. PIII, Celeron, Duron, and K6 systems all seem to sell for about the same price at a given MHZ where each is available. Message 14220656

Report TOU Violation

Share This Post

Public Reply Prvt Reply Mark as Last Read File

Previous 10 Next 10 Previous Next