Re: Uh Oh ... Newest Nvidia Chips OVERHEAT

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.