this post was submitted on 16 Mar 2024
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Floating Point Unit. The thing that does mathematical operations on floating point numbers. It used come separately from the CPU as an add-on chip, but around the 486 era, manufacturers started integrating it on the same die as the CPU. Of course, as these things go, from the system programmers point of view, there is still no difference between an add-on FPU and an integrated one.
The one pictured here is an add-on FPU for an Intel 80386 CPU.
Thank you. Didn't know that was a thing. I never had to buy an fpu so it was just built with the cpu so I never learned what it was.
What you can by is a ~~FPGU~~ FPGA :)
Basically a lego kit for a CPU you can program for different use cases which dont warrant cpu manufacturing at scale or prototyping
FPGA, but close enough.
ty
Now I really want a lego kit of a mechanical computer. That would be so cool.