Intel 253666-024US - Manual (Page 234)

3-188 Vol. 2A CPUID—CPU Identification
INSTRUCTION SET REFERENCE, A-M
EAX
=
80000002H:
EAX ← Processor Brand String;
EBX ← Processor Brand String, continued;
ECX ← Processor Brand String, continued;
EDX ← Processor Brand String, continued;
BREAK;
EAX
= 80000003H:
EAX ← Processor Brand String, continued;
EBX ← Processor Brand String, continued;
ECX ← Processor Brand String, continued;
EDX ← Processor Brand String, continued;
BREAK;
EAX
= 80000004H:
EAX ← Processor Brand String, continued;
EBX ← Processor Brand String, continued;
ECX ← Processor Brand String, continued;
EDX ← Processor Brand String, continued;
BREAK;
EAX
= 80000005H:
EAX ← Reserved = 0;
EBX ← Reserved = 0;
ECX ← Reserved = 0;
EDX ← Reserved = 0;
BREAK;
EAX
= 80000006H:
EAX ← Reserved = 0;
EBX ← Reserved = 0;
ECX ← Cache information;
EDX ← Reserved = 0;
BREAK;
EAX
= 80000007H:
EAX ← Reserved = 0;
EBX ← Reserved = 0;
ECX ← Reserved = 0;
EDX ← Reserved = 0;
BREAK;
EAX
= 80000008H:
EAX ← Reserved = 0;
EBX ← Reserved = 0;
ECX ← Reserved = 0;
EDX ← Reserved = 0;
BREAK;
DEFAULT: (* EAX
= Value outside of recognized range for CPUID. *)