Reply 60 of 94, by Sphere478
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debs3759 wrote on 2022-06-11, 01:22:I don't see any suggestion of a 387 from Sphere, he only said math coprocessor. As it's for socket 3, I take that to mean he wants to be able to run the i487 on it's own, which seems perfectly reasonable.
Currently I am not attempting to do a math co processor. It might get added to the pcb later down the road though if it’s determined that it is practical to do so. It was mentioned that there is a particular variant that is super common that would be encouraging to look into this further. But for now, gotta focus on the pin mods and make sure they are understood and stable.
Gonna need the help of someone with soldering skills and a vast socket 1/2/3 processor collection who is willing to do some pin mod experiments. To verify that these mods will work once they are wired.
It may make sense to get the alpha all setup with traces and have a alpha tester order one as a quick way to test the mods themselves and debug the design. This is still nowhere near release stage. So no one should be ordering this yet obviously.