Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
FV80524RX300128	300A	PPGA, 66 MHz FSB
FV80524RX333128 BX80524P333128	333	PPGA, 66 MHz FSB
FV80524RX366128 BX80524P366128	366	PPGA, 66 MHz FSB
FV80524RX400128 BX80524P400128	400	PPGA, 66 MHz FSB
FV80524RX433128 BX80524P433128	433	PPGA, 66 MHz FSB
FV80524RX466128 BX80524P466128	466	PPGA, 66 MHz FSB
FV80524RX500128 BX80524P500128	500	PPGA, 66 MHz FSB

When part numbers are not supplied by motherboard manufacturers, we use best guess approach to determine part numbers based on CPU model, frequency and features. In some cases our guess may be incorrect or incomplete. Please always verify part numbers before committing to buying the CPU.