This Windows® application executes and displays the return data from the CPUID instruction set and displays Hypertransport™ information if the processor supports it. This application also shows the maximum speed of the processor. AMD CPUInfo displays a variety of information pertaining to the system and to each processor in the system. The initial release displays:
BIOS Version
Processor name
Processor speed
Family.Model.Step
64-bit support
3DNow!™ support
3DNow!™ extensions support
MMX™ support
MMX™ extensions support
SSE support
SSE2 support
L1 data cache size
L1 instruction cache size
L2 cache size
DIMM ECC enable
Memory bus speed

For AMD Athlon (tm) 64 processors and AMD Opteron (tm) processors,
it also displays the following:
HyperTransport link frequency for each link in the system
HyperTransport link width for each link in the system