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Reblogged by cstanhope@social.coop ("Your friendly 'net denizen"):

kenshirriff@oldbytes.space ("Ken Shirriff") wrote:

The Pentium processor had a minor error in the division algorithm. This error cost Intel $475 million to replace the faulty chips. I've tracked down the FDIV error to this circuit on the die:

Attachments:

• A closeup of the Pentium die showing complex circuitry. This image shows the middle of three metal layers. The image shows complex horizontal and metal lines, reddish golden in color. (remote)