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On the 486, that chip was actually a full blown CPU there was no 487 co-processor. Instead, Intel sold a full 486DX chip labeled as 486 that disabled and replac
by snotrockets 13y ago
On the 486, that chip was actually a full blown CPU there was no 487 co-processor. Instead, Intel sold a full 486DX chip labeled as 486 that disabled and replaced the already mounted 486SX. (ref: https://en.wikipedia.org/wiki/Floating-point_unit#Add-on_FPUs https://en.wikipedia.org/wiki/Floating-point_unit#Add-on_FPU...)