ASRock 775i65PE motherboard specifications

CPU socket type:

Socket 775

ASRock 775i65PE CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron D
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	P1.30
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	P1.30
JM80547RE072256 BX80547RE2800C	335J	2.8 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
JM80547RE072256 BX80547RE2800C	335J	2.8 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
JM80547RE072CN HH80547RE072CN BX80547RE2800CN	336	2.8 GHz, 533 MHz FSB, 256 KB cache, Prescott	P1.30
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	P1.30
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	P1.30
HH80552RE083512 BX80552347	347	3.06 GHz, 533 MHz FSB, 512 KB cache, Cedar Mill, Stepping C1	P1.70		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
JM80547RE088CN HH80547RE088CN BX80547RE3200CN	351	3.2 GHz, 533 MHz FSB, 256 KB cache, Prescott	P1.30
HH80552RE088512 BX80552352	352	3.2 GHz, 533 MHz FSB, 512 KB cache, Cedar Mill, Stepping C1	P1.70
HH80552RE088512 BX80552352	352	3.2 GHz, 533 MHz FSB, 512 KB cache, Cedar Mill, Stepping C1	P1.70		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
BX80547RE3330CN HH80547RE093CN	355	3.33 Ghz, 533 MHz FSB, 256 KB cache, Prescott	P1.60
HH80552RE093512 BX80552356	356	3.33 GHz, 533 MHz FSB, 512 KB cache, Cedar Mill	P1.60		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552RE093512 BX80552356	356	3.33 GHz, 533 MHz FSB, 512 KB cache, Cedar Mill, Stepping C1	P1.70		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552RE093512 BX80552356	356	3.33G, 533 MHz FSB, 512 KB cache, Cedar Mill	P1.60
JM80547RE099256	360	3.46 GHz, 533 MHz FSB, 512 KB cache, Prescott, Stepping D0	P2.00
HH80552RE104512 BX80552365	365	3.6 GHz, 533 MHz FSB, 512 KB cache, Cedar Mill, Stepping D0	P2.00
HH80552RE104512 BX80552365	365	3.6 GHz, 533 MHz FSB, 512 KB cache, Cedar Mill, Stepping D0	P2.00		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
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	P1.30
JM80547PE0671MN HH80547PE0671MN BX80547PE2667EN	506	2.66 GHz, 533 MHz FSB, 1 MB cache, Prescott, Stepping G1	P1.60
JM80547PE0721MN HH80547PE0721MN BX80547PE2800EN	511	2.8 GHz, 533 MHz FSB, 1 MB cache, Prescott	P1.30
JM80547PE0721MN HH80547PE0721MN BX80547PE2800EN	511	2.8G, 533 MHz FSB, 1 MB cache, Prescott	P1.30
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	P1.30
JM80547PE0771MN HH80547PE0771MN BX80547PE2933EN	516	2.93 GHz, 533 MHz FSB, 1 MB cache, Prescott, Stepping G1	P1.60
JM80547PE0831MN HH80547PE0831MN BX80547PE3066EN	519K	3.06 GHz, 533 MHz FSB, 1 MB cache, Prescott, Stepping G1	P1.60
JM80547PG0721M HH80547PG0721M BX80547PG2800E	520	2.8 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0721M HH80547PG0721M BX80547PG2800E	520	2.8 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0721M HH80547PG0721M BX80547PG2800E	520J	2.8 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0721M HH80547PG0721M BX80547PG2800E	520J	2.8 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0721MM HH80547PG0721MM BX80547PG2800EK	521	2.8 GHz, 800 MHz FSB, 1 MB cache, Prescott	P1.30
HH80547PE0831MM BX80547PE3066E	524	3.06 GHz, 533 MHz FSB, 1 MB cache, Prescott, Stepping G1	P1.60
JM80547PG0801M HH80547PG0801M BX80547PG3000E	530	3 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0801M HH80547PG0801M BX80547PG3000E	530	3 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0801M HH80547PG0801M BX80547PG3000E	530J	3 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0801M HH80547PG0801M BX80547PG3000E	530J	3 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0801MM HH80547PG0801MM BX80547PG3000EK	531	3 GHz, 800 MHz FSB, 1 MB cache, Prescott	P1.30
JM80547PG0881M HH80547PG0881M BX80547PG3200E	540	3.2 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0881M HH80547PG0881M BX80547PG3200E	540	3.2 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0881M HH80547PG0881M BX80547PG3200E	540J	3.2 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0881M HH80547PG0881M BX80547PG3200E	540J	3.2 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0881MM HH80547PG0881MM BX80547PG3200EK	541	3.2 GHz, 800 MHz FSB, 1 MB cache, Prescott	P1.30
JM80547PG0961M BX80547PG3400E	550	3.4 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0961M BX80547PG3400E	550	3.4 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0961M BX80547PG3400E	550J	3.4 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0961M BX80547PG3400E	550J	3.4 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0961MM HH80547PG0961MM BX80547PG3400EK BX80547PG3400EKT	551	3.4 GHz, 800 MHz FSB, 1 MB cache, Prescott	P1.30
JM80547PG0961MM HH80547PG0961MM BX80547PG3400EK BX80547PG3400EKT	551	3.4 GHz, 800 MHz FSB, 1 MB cache, Prescott, Stepping G1	P1.60
JM80547PG1041M BX80547PG3600E	560	3.6 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG1041M BX80547PG3600E	560	3.6 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG1041M BX80547PG3600E	560J	3.6 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG1041M BX80547PG3600E	560J	3.6 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG1041MM BX80547PG3600EK	561	3.6 GHz, 800 MHz FSB, 1 MB cache, Prescott	P1.30
JM80547PG1121M BX80547PG3800E	570J	3.8 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG1121M BX80547PG3800E	570J	3.8 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG1121MM BX80547PG3800EK	571	3.8 GHz, 800 MHz FSB, 1 MB cache, Prescott	P1.30
JM80547PG0802MM HH80547PG0802MM BX80547PG3000F	630	3 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
JM80547PG0802MM HH80547PG0802MM BX80547PG3000F	630	3 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
HH80552PG0802M BX80552631	631	3 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill	P1.60		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG0802M BX80552631	631	3 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping D0	P2.00		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG0802M BX80552631	631	3 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping D0	P2.00		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG0802M BX80552631	631	3.0G, 800 MHz FSB, 2 MB cache, Cedar Mill	P1.60		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
JM80547PG0882MM HH80547PG0882MM BX80547PG3200F	640	3.2 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
JM80547PG0882MM HH80547PG0882MM BX80547PG3200F	640	3.2 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
HH80552PG0882M BX80552641	641	3.2 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill	P1.60		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG0882M BX80552641	641	3.2 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping D0	P2.00		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG0882M BX80552641	641	3.2 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping D0	P2.00		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG0882M BX80552641	641	3.2G, 800 MHz FSB, 2 MB cache, Cedar Mill	P1.60		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
JM80547PG0962MM HH80547PG0962MM BX80547PG3400F	650	3.4 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
JM80547PG0962MM HH80547PG0962MM BX80547PG3400F	650	3.4 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
HH80552PG0962M BX80552651	651	3.4 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill	P1.60		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG0962M BX80552651	651	3.4 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping C1	P1.70		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG0962M BX80552651	651	3.4 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping C1	P1.70		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG0962M BX80552651	651	3.4 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping D0	P2.00		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG0962M BX80552651	651	3.4 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping D0	P2.00		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG0962M BX80552651	651	3.4G, 800 MHz FSB, 2 MB cache, Cedar Mill	P1.60		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
JM80547PG1042MM HH80547PG1042MM BX80547PG3600F	660	3.6 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
JM80547PG1042MM HH80547PG1042MM BX80547PG3600F	660	3.6 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
HH80552PG1044M BX80552661	661	3.6 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill	P1.60		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG1042M BX80552661	661	3.6 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping C1	P1.70		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG1042M BX80552661	661	3.6 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping C1	P1.70		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG1044M BX80552661	661	3.6 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping D0	P2.00		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG1044M BX80552661	661	3.6 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping D0	P2.00		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80552PG1042M BX80552661	661	3.6G, 800 MHz FSB, 2 MB cache, Cedar Mill	P1.60		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80547PG1042MP HH80547PG1042MH	662	3.6 GHz, 800 MHz FSB, 2 MB cache, Prescott	P1.60
JM80547PG1122MM HH80547PG1122MM BX80547PG3800F BX80547PG3600FT	670	3.8 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
JM80547PG1122MM HH80547PG1122MM BX80547PG3800F BX80547PG3600FT	670	3.8 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
HH80547PG1122MH	672	3.8 GHz, 800 MHz FSB, 2 MB cache, Prescott	P1.60
JM80547PH1092MM BX80547PH3730F	EE	3.73 GHz, 1066 MHz FSB, 2 MB cache, Prescott	Any
Intel Pentium D
HH80551PE0672MN BX80551PE2666FN	805	2.66 GHz, 533 MHz FSB, 2 MB cache, Smithfield	P1.60		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80551PE0672MN BX80551PE2666FN	805	2.66G, 533 MHz FSB, 2 MB cache, Smithfield	P1.60		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80551PG0722MN BX80551PG2800FN BX80551PG2800FT	820	2.8 GHz, 800 MHz FSB, 2 MB cache, Smithfield	P1.40		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80551PG0722MN BX80551PG2800FN BX80551PG2800FT	820	2.8 GHz, 800 MHz FSB, 2 MB cache, Smithfield	P1.40		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80551PG0802MN BX80551PG3000FN BX80551PG3000FT	830	3 GHz, 800 MHz FSB, 2 MB cache, Smithfield	P1.40		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80551PG0802MN BX80551PG3000FN BX80551PG3000FT	830	3 GHz, 800 MHz FSB, 2 MB cache, Smithfield	P1.40		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80551PG0802MN BX80551PG3000FN BX80551PG3000FT	830	3 GHz, 800 MHz FSB, 2 MB cache, Smithfield, Stepping B0	P1.60		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80551PG0802MN BX80551PG3000FN BX80551PG3000FT	830	3 GHz, 800 MHz FSB, 2 MB cache, Smithfield, Stepping B0	P1.60		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80551PG0882MN BX80551PG3200FN BX80551PG3200FT	840	3.2 GHz, 800 MHz FSB, 2 MB cache, Smithfield	P1.40		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80551PG0882MN BX80551PG3200FN BX80551PG3200FT	840	3.2 GHz, 800 MHz FSB, 2 MB cache, Smithfield	P1.40		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0724MN BX80553915 BX80553915R	915	2.8 GHz, 800 MHz FSB, 4 MB cache, Presler	P1.70		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0724MN BX80553915 BX80553915R	915	2.8 GHz, 800 MHz FSB, 4 MB cache, Presler	P1.70		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0724M BX80553920 BX80553920T	920	2.8 GHz, 800 MHz FSB, 4 MB cache, Presler	P1.60		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0724M BX80553920 BX80553920T	920	2.8G, 800 MHz FSB, 4 MB cache, Presler	P1.60		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0804MN BX80553925	925	3 GHz, 800 MHz FSB, 4 MB cache, Presler	P1.70		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0804MN BX80553925	925	3 GHz, 800 MHz FSB, 4 MB cache, Presler	P1.70		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0804M BX80553930 BX80553930T	930	3 GHz, 800 MHz FSB, 4 MB cache, Presler	P1.60		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0804M BX80553930 BX80553930T	930	3 GHz, 800 MHz FSB, 4 MB cache, Presler	P1.60		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0804M BX80553930 BX80553930T	930	3 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping C1	P1.70		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0804M BX80553930 BX80553930T	930	3 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping C1	P1.70		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0884M BX80553940 BX80553940T	940	3.2 GHz, 800 MHz FSB, 4 MB cache, Presler	P1.60		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0884M BX80553940 BX80553940T	940	3.2 GHz, 800 MHz FSB, 4 MB cache, Presler	P1.60		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0884M BX80553940 BX80553940T	940	3.2 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping C1	P1.70		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0884M BX80553940 BX80553940T	940	3.2 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping C1	P1.70		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0964MN BX80553945 BX80553945R	945	3.4 GHz, 800 MHz FSB, 4 MB cache, Presler	P1.70		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0964MN BX80553945 BX80553945R	945	3.4 GHz, 800 MHz FSB, 4 MB cache, Presler	P1.70		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0964M BX80553950 BX80553950T	950	3.4 GHz, 800 MHz FSB, 4 MB cache, Presler	P1.60		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0964M BX80553950 BX80553950T	950	3.4 GHz, 800 MHz FSB, 4 MB cache, Presler	P1.60		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0964M BX80553950 BX80553950T	950	3.4 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping C1	P1.70		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG0964M BX80553950 BX80553950T	950	3.4 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping C1	P1.70		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG1044M BX80553960	960	3.6 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping C1	P1.70		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PG1044M BX80553960	960	3.6 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping C1	P1.70		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
Intel Pentium Extreme Edition
HH80551PG0882MM BX80551PG3200F	840EE	3.2 GHz, 800 MHz FSB, 2 MB cache, Smithfield	P1.40		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80551PG0882MM BX80551PG3200F	840EE	3.2 GHz, 800 MHz FSB, 2 MB cache, Smithfield	P1.40		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80551PG0882MM BX80551PG3200F	840EE	3.2 GHz, 800 MHz FSB, 2 MB cache, Smithfield, Stepping B0	P1.60		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80551PG0882MM BX80551PG3200F	840EE	3.2 GHz, 800 MHz FSB, 2 MB cache, Smithfield, Stepping B0	P1.60		Supported only with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PH0994M BX80553955	955	3.46 GHz, 1066 MHz FSB, 4 MB cache, Presler	P1.60		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.
HH80553PH1094M BX80553965	965	3.73 GHz, 1066 MHz FSB, 4 MB cache, Presler	P1.80		The CPU with " *" mark are only supported with PCB version R1.03 or higher, and Bios version P1.40 or higher.

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.