• partial_accumen
    link
    fedilink
    English
    45 months ago

    While an FPU (Floating Point Unit aka math coprocessor) would be nice, the 386SX is still a 16-bit CPU. The 386DX is a 32-bit CPU (and would still need a 387 for a dedicated FPU). In the 486 line SX meant no FPU, while DX meant FPU inside.