Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
RK80531RC029128 BX80531P170G128	1.70 GHz	400 MHz FSB, 128 KB cache, Willamette	Any
RK80531RC033128 BX80531P180G128	1.80 GHz	400 MHz FSB, 128 KB cache, Willamette	Any
RK80532RC041128 BX80532RC2000B	2.00 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC045128 BX80532RC2100B	2.10 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC049128 BX80532RC2200B	2.20 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC052128 BX80532RC2300B	2.30 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC056128 BX80532RC2400B	2.40 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC060128 BX80532RC2500B	2.50 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC064128 BX80532RC2600B	2.60 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC068128 BX80532RC2700B	2.70 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC072128 BX80532RC2800B	2.80 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
Intel Celeron D
RK80546RE046256 NE80546RE046256 BX80546RE2130C	310	2.13 GHz, 533 MHz FSB, 256 KB cache, Prescott	P1.70
RK80546RE051256 NE80546RE051256 BX80546RE2267C	315	2.26 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
RK80546RE056256 NE80546RE056256 BX80546RE2400C	320	2.40 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
RK80546RE061256 NE80546RE061256 BX80546RE2533C	325	2.53 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
JM80547RE061256 BX80547RE2533C	325J	2.53 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
JM80547RE061CN HH80547RE061CN BX80547RE2533CN	326	2.53 GHz, 533 MHz FSB, 256 KB cache, Prescott	P1.60
RK80546RE067256 NE80546RE067256 BX80546RE2667C	330	2.66 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
JM80547RE067256 BX80547RE2667C	330J	2.66 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
JM80547RE067CN HH80547RE067CN BX80547RE2667CN	331	2.66 GHz, 533 MHz FSB, 256 KB cache, Prescott	P1.60
RK80546RE072256 NE80546RE072256 BX80546RE2800C	335	2.80 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
JM80547RE072256 BX80547RE2800C	335J	2.80 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
JM80547RE072CN HH80547RE072CN BX80547RE2800CN	336	2.80 GHz, 533 MHz FSB, 256 KB cache, Prescott	P1.60
RK80546RE077256 NE80546RE077256 BX80546RE2933C	340	2.93 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
JM80547RE077256 BX80547RE2933C	340J	2.93 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
JM80547RE077CN HH80547RE077CN BX80547RE2933CN	341	2.93 GHz, 533 MHz FSB, 256 KB cache, Prescott	P1.60
RK80546RE083256 NE80546RE083256 BX80546RE3066C	345	3.06 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
JM80547RE083256 BX80547RE3066C	345J	3.06 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
JM80547RE083CN HH80547RE083CN BX80547RE3066CN	346	3.06 GHz, 533 MHz FSB, 256 KB cache, Prescott	P1.60
RK80546RE088256 NE80546RE088256 BX80546RE3200C	350	3.20 GHz, 533 MHz FSB, 256 KB cache, Prescott	P1.60
JM80547RE088CN HH80547RE088CN BX80547RE3200CN	351	3.20 GHz, 533 MHz FSB, 256 KB cache, Prescott	P1.60
Intel Pentium 4
JM80547PE0671M BX80547PE2667E	505	2.66 GHz, 533 MHz FSB, 1 MB cache, Prescott	Any
JM80547PE0671MN HH80547PE0671MN BX80547PE2667EN	506	2.66 GHz, 533 MHz FSB, 1 MB cache, Prescott	P1.60
JM80547PE0771M	515	2.93 GHz, 533 MHz FSB, 1 MB cache, Prescott	Any
JM80547PE0771MN HH80547PE0771MN BX80547PE2933EN	516	2.93 GHz, 533 MHz FSB, 1 MB cache, Prescott	P1.60
JM80547PG0721M HH80547PG0721M BX80547PG2800E	520	2.80 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0721M HH80547PG0721M BX80547PG2800EJ	520J	2.80 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0721MM HH80547PG0721MM BX80547PG2800EK	521	2.80 GHz, 800 MHz FSB, 1 MB cache, Prescott	P1.60
JM80547PG0801M HH80547PG0801M BX80547PG3000E	530	3.00 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0801M HH80547PG0801M BX80547PG3000EJ	530J	3.00 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0801MM HH80547PG0801MM BX80547PG3000EK	531	3.00 GHz, 800 MHz FSB, 1 MB cache, Prescott	P1.60
JM80547PG0881M HH80547PG0881M BX80547PG3200E	540	3.20 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0881M HH80547PG0881M BX80547PG3200EJ	540J	3.20 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0881MM HH80547PG0881MM BX80547PG3200EK	541	3.20 GHz, 800 MHz FSB, 1 MB cache, Prescott	P1.60
JM80547PG0961M BX80547PG3400E	550	3.40 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0961M BX80547PG3400EJ	550J	3.40 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0961MM HH80547PG0961MM BX80547PG3400EK	551	3.40 GHz, 800 MHz FSB, 1 MB cache, Prescott	P1.60
JM80547PG1041M BX80547PG3600E	560	3.60 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG1041M BX80547PG3600EJ	560J	3.60 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG1041MM BX80547PG3600EK	561	3.60 GHz, 800 MHz FSB, 1 MB cache, Prescott	P1.60
JM80547PG1121M BX80547PG3800EJ	570J	3.80 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG1121MM BX80547PG3800EK	571	3.80 GHz, 800 MHz FSB, 1 MB cache, Prescott	P1.60
JM80547PG0802MM HH80547PG0802MM BX80547PG3000F	630	3.00 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
JM80547PG0882MM HH80547PG0882MM BX80547PG3200F	640	3.20 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
JM80547PG0962MM HH80547PG0962MM BX80547PG3400F	650	3.40 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
JM80547PG1042MM HH80547PG1042MM BX80547PG3600F	660	3.60 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
JM80547PG1122MM HH80547PG1122MM BX80547PG3800F	670	3.80 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
RK80531PC029G0K BX80531NK170G	1.70 GHz	400 MHz FSB, 256 KB cache, Willamette	Any
RK80531PC033G0K BX80531NK180G	1.80 GHz	400 MHz FSB, 256 KB cache, Willamette	Any
RK80531PC037G0K BX80531NK190G	1.90 GHz	400 MHz FSB, 256 KB cache, Willamette	Any
RK80532PC041512 BX80532PC2000D	2.00 GHz	400 MHz FSB, 512 KB cache, Northwood	Any
RK80532PC049512 BX80532PC2200D	2.20 GHz	400 MHz FSB, 512 KB cache, Northwood	Any
RK80532PE051512 BX80532PE2266D	2.26 GHz	533 MHz FSB, 512 KB cache, Northwood	Any
RK80532PC056512 BX80532PC2400D	2.40 GHz	400 MHz FSB, 512 KB cache, Northwood	Any
B80546PE0561M BX80546PE2400E	2.40 GHz	533 MHz FSB, 1 MB cache, Prescott	Any
RK80532PE056512 BX80532PE2400D	2.40 GHz	533 MHz FSB, 512 KB cache, Northwood	Any
RK80532PG056512 BX80532PG2400D	2.40 GHz	800 MHz FSB, 512 KB cache, Northwood	Any
RK80532PC060512 BX80532PC2500D	2.50 GHz	400 MHz FSB, 512 KB cache, Northwood	Any
RK80532PE061512 BX80532PE2533D	2.53 GHz	533 MHz FSB, 512 KB cache, Northwood	Any
RK80532PC064512 BX80532PC2600D	2.60 GHz	400 MHz FSB, 512 KB cache, Northwood	Any
RK80532PG064512 BX80532PG2600D	2.60 GHz	800 MHz FSB, 512 KB cache, Northwood	Any
RK80532PE067512 BX80532PE2667D	2.66 GHz	533 MHz FSB, 512 KB cache, Northwood	Any
RK80546PE0721M BX80546PE2800E	2.80 GHz	533 MHz FSB, 1 MB cache, Prescott	Any
RK80532PE072512 BX80532PE2800D	2.80 GHz	533 MHz FSB, 512 KB cache, Northwood	Any
RK80546PG0721M BX80546PG2800E	2.80 GHz	800 MHz FSB, 1 MB cache, Prescott	Any
RK80532PG072512 BX80532PG2800D	2.80 GHz	800 MHz FSB, 512 KB cache, Northwood	Any
RK80546PG0801M BX80546PG3000E	3.00 GHz	800 MHz FSB, 1 MB cache, Prescott	Any
RK80532PG080512 BX80532PG3000D	3.00 GHz	800 MHz FSB, 512 KB cache, Northwood	Any
RK80532PE083512 BX80532PE3066D	3.06 GHz	533 MHz FSB, 512 KB cache, Northwood	Any
RK80546PG0881M BX80546PG3200E	3.20 GHz	800 MHz FSB, 1 MB cache, Prescott	Any
RK80532PG088512 BX80532PG3200D	3.20 GHz	800 MHz FSB, 512 KB cache, Northwood	Any
RK80546PG0961M BX80546PG3400E	3.40 GHz	800 MHz FSB, 1 MB cache, Prescott	Any
RK80532PG096512 BX80532PG3400D	3.40 GHz	800 MHz FSB, 512 KB cache, Northwood	Any
JM80547PH1092MM BX80547PH3730F	EE	3.73 GHz, 1066 MHz FSB, 2 MB cache, Prescott	Any

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.