AMD EPYC 9004 Genoa Under-the-Lid – ServeTheHome

Re:AMD EPYC 9004 Genoa Under-the-Lid – ServeTheHome by tpmx on Tuesday February 21, 2023 @04:16AM (#34878716)

Under the lids is.. another layer of lids?

[ Parent | on HN ]

Re:AMD EPYC 9004 Genoa Under-the-Lid – ServeTheHome by rbanffy on Tuesday February 21, 2023 @04:28AM (#34878817)

It’s lids all the way down. Still, quite an impressive number of them.

[ Parent | on HN ]

Re:AMD EPYC 9004 Genoa Under-the-Lid – ServeTheHome by actionfromafar on Tuesday February 21, 2023 @04:50AM (#34879009)

Each pair of lids make up a NAND gate.

[ Parent | on HN ]

Re:AMD EPYC 9004 Genoa Under-the-Lid – ServeTheHome by pclmulqdq on Tuesday February 21, 2023 @09:58AM (#34881873)

Those "lids" are the backs of silicon wafers, so not actually "lids." The silicon chips are flipped over to attach to the surface of the blue PCB there.

[ Parent | on HN ]

Re:AMD EPYC 9004 Genoa Under-the-Lid – ServeTheHome by tpmx on Wednesday February 22, 2023 @07:43PM (#34905282)

Thanks for the explanation (that the article writer clearly didn't know about)!

[ Parent | on HN ]