Intel D850EMV2 motherboard specifications

CPU socket type:	Socket 478
* Motherboard D850EMV supports a single Pentium® 4 processor with a system bus frequency of 400 MHz or 533 MHz. 1. The following board revisions (AA numbers) support these processors: C18361-601 or later C18369-601 or laterSee the board revision note below, for an explanation.Please review the new cooling requirements. 2. All board revisions support these processors

Intel D850EMV2 CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Pentium 4
BX80531NK140G RK80531PC017G0K	1.40 GHz	400 MHz FSB, 256 KB	P10 or greater		Note 2
BX80531NK150G RK80531PC021G0K	1.50 GHz	400 MHz FSB, 256 KB	P10 or greater		Note 2
BX80531NK160G RK80531PC025G0K	1.60 GHz	400 MHz FSB, 256 KB	P10 or greater		Note 2
BX80532PC1600D RK80532PC025512	1.60A GHz	400 MHz FSB, 512 KB	P10 or greater		Note 2
BX80531NK170G RK80531PC029G0K	1.70 GHz	400 MHz FSB, 256 KB	P10 or greater		Note 2
RK80532PC029512	1.70A GHz	400 MHz FSB, 512 KB	P10 or greater		Note 2
BX80531NK180G RK80531PC033G0K	1.80 GHz	400 MHz FSB, 256 KB	P10 or greater		Note 2
BX80532PC1800D RK80532PC033512	1.80A GHz	400 MHz FSB, 512 KB	P10 or greater		Note 2
BX80531NK190G RK80531PC037G0K	1.90 GHz	400 MHz FSB, 256 KB	P10 or greater		Note 2
BX80531NK200G RK80531PC041G0K	2 GHz	400 MHz FSB, 256 KB	P10 or greater		Note 2
	2A GHz	400 MHz FSB, 512 KB	P10 or greater		Note 2
BX80532PC2200D RK80532PC049512	2.20 GHz	400 MHz FSB, 512 KB	P10 or greater		Note 2
BX80532PE2266D RK80532PE051512 RK80546PE051512	2.26 GHz	533 MHz FSB, 512 KB	P10 or greater		Note 2
BX80532PC2400D RK80532PC056512	2.40 GHz	400 MHz FSB, 512 KB	P10 or greater		Note 2
	2.40B GHz	533 MHz FSB, 512 KB	P15 or greater		Note 2
BX80532PC2500D RK80532PC060512	2.50 GHz	400 MHz FSB, 512 KB	P15 or greater		Note 2
BX80532PE2533D RK80532PE061512	2.53 GHz	533 MHz FSB, 512 KB	P10 or greater		Note 2
BX80532PC2600D RK80532PC064512	2.60 GHz	400 MHz FSB, 512 KB	P15 or greater		Note 2
BX80532PE2667D RK80532PE067512	2.66 GHz	533 MHz FSB, 512 KB	P15 or greater		Note 2
BX80532PE2800D RK80532PE072512	2.80 GHz	533 MHz FSB, 512 KB	P15 or greater		Note 2
BX80532PE3066D RK80532PE083512	3.06 GHz	533 MHz FSB, 512 KB	P21 or greater		Note 1

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.