3 ms·
Yes, they didn't market it that way, but CPUID returned '5', where a 486 returned '4', a 386 '3', etc. You'll find the 586 references in lots of Intel document
by tyingq 5y ago
Yes, they didn't market it that way, but CPUID returned '5', where a 486 returned '4', a 386 '3', etc. You'll find the 586 references in lots of Intel documentation.
- anyfoo 5y agoIt's also in the DX register (DH specifically) after reset. Earlier CPUs did not have CPUID, so that's what the BIOS most likely used. "DX holds a component identifier and revision number after RESET as Figure 10-1 illustrates. DH contains 3, which indicates an 80386 component."