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From: "Carlos E.R." <robin_listas@es.invalid>
Newsgroups: comp.os.linux.misc
Subject: Re: Uh Oh ... Newest Nvidia Chips OVERHEAT
Date: Wed, 27 Nov 2024 13:33:57 +0100
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On 2024-11-21 20:59, rbowman wrote:
> 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.

That's a curious one. :-)

-- 
Cheers, Carlos.