INTEL SL3FY
Used, Tested OK. Never overclocked. Always stock speeds with stock cooler.

General information
TypeCPU / Microprocessor
FamilyIntel Celeron
Part numberFV80524RX500128
Processor markingsFV524RX500 128
Frequency  ? 500 MHz
Bus speed  ? 66 MHz
Clock multiplier  ? 7.5
Package type370-pin PPGA
Socket typeSocket 370
Architecture / Microarchitecture / Other
CPUID0665h
Core steppingB0
Processor coreMendocino
Manufacturing technology0.25 micron
L2 cache size  ? 128 KB
Core voltage  ? 2V
Case temperature  ? 70°C