Comment by polpo

16 hours ago

Interestingly, AMD's previous gen processors, the K6/K6-2/K6-III, were all lidded flip chips. A delidded K6-era CPU looks remarkably similar to the early Athlons which did away with the lid.

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polpo

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3453f4f  15 hours ago

There are three good pieces of history for you to look at.

First, the NexGen Nx686 prototype... that became the K6 after AMD bought NexGen.

https://web.archive.org/web/19990901212245/http://www.sandpi...

https://web.archive.org/web/20000831030211/http://www.sandpi...

https://web.archive.org/web/20000831030227/http://www.sandpi...

Second, the AMD K6 prototype... which came in a small footprint ceramic package.

https://www.cpushack.com/chippics/AMD/K6/AMDK6-Processor-CA-...

Third, the AMD K7... which also came in that small footprint ceramic package, on a Slot A PCB, with L2 cache chips.

http://www.cpu-galerie.de/html/amdk7athlonslot.html

Enjoy!