3 ms·
The bus thing sounds like coprocessors on x86 up to and including 386 (though presumably not in separate chips here). Later there was no real bus anymore (486
by ahartmetz 7y ago
The bus thing sounds like coprocessors on x86 up to and including 386 (though presumably not in separate chips here).
Later there was no real bus anymore (486 SX "FPU" replaced the main CPU) or the only(?) kind of coprocessor ever used, the FPU, became integrated into the CPU.