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Path: ...!news.roellig-ltd.de!open-news-network.org!weretis.net!feeder8.news.weretis.net!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: rbowman <bowman@montana.com> Newsgroups: comp.os.linux.misc Subject: Re: Uh Oh ... Newest Nvidia Chips OVERHEAT Date: 21 Nov 2024 19:59:06 GMT Lines: 23 Message-ID: <lq9ho9F2tegU3@mid.individual.net> References: <kPCcnXzSs9DzI6f6nZ2dnZfqnPqdnZ2d@earthlink.com> <vhlroj$aj9r$1@dont-email.me> <lq7s6oFp7qgU5@mid.individual.net> <cmg31lxl0d.ln2@Telcontar.valinor> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Trace: individual.net U+quG0DhRPKi5uW/i4kXhwIjNLW5ojX6Zy1PCn0Nt9OsdsTo35 Cancel-Lock: sha1:uPoYbsl7BQVCAeqHdoBAum3vTys= sha256:dyDbyfX6hhCYOe76Jomtb2AuSr9dLuQIQK+GuWZ7G7Q= User-Agent: Pan/0.149 (Bellevue; 4c157ba) Bytes: 1978 On Thu, 21 Nov 2024 12:04:12 +0100, Carlos E.R. wrote: > On 2024-11-21 05:45, rbowman wrote: >> On Thu, 21 Nov 2024 07:35:47 +0800, Woozy Song wrote: >> >>> 1000 watts TDP? >>> Seems just making more powerful chips by brute force has to end >>> soon. >> >> Faster == hotter. I remember a seminar about 40 years ago when CMOS was >> coming into its own and touted as low power. The dirty little secret >> was the power required to switch capacitive loads is a function of the >> voltage and frequency so the dynamic power dissipation exceeded that of >> 74LS parts when you drove them hard. > > Still, they are fantastic for things like a battery powered clock. Or > processors that stay a lot of the time waiting. Definitely. Like all design decisions they have their place. To really date myself I sent my Osborne 1 back to the factory for the 100 column and DS/DD floppy upgrade. The new video would work for a while and then die. I isolated the problem chip with a can of cooler. It was CMOS and when I replaced it with the equivalent 74LS problem solved.