Microcode, which is a no-go for modern designs

[Eric Smith]

On Wed, Jan 2, 2019 at 9:12 PM dwight via cctalk <cctalk at classiccmp.org>
wrote:

> I believe that is the one. Intel tried to say it wasn't an issue until it
> was shown that the error was significant when using floating point numbers
> near integer values. I suspect that the fellow that forgot to include the
> mask file for that ROM got a bad review.
>

The majority of the ROM contents were present. Apparently five entries were
missing.
http://www.verifsudha.com/2017/09/11/pentium-fdiv-bug-curious-engineer/