ECS P4VXAD(V3.1A) motherboard specifications

CPU socket type:	Socket 478
Chipset:	VIA P4X266A & VT8233A

ECS P4VXAD(V3.1A) CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
RK80531RC029128 BX80531P170G128	1.7 GHz	128K, 400MHz, Socket 478	1.2b	V3.1A
RK80531RC033128 BX80531P180G128 RK80532RC033128 BX80532RC1800B	1.8 GHz	128K, 400MHz, Socket 478	1.2b	V3.1A
RK80531RC041128 BX80531P200G128 RK80532RC041128 BX80532RC2000B	2.0 GHz	128K, 400MHz, Socket 478	1.2b	V3.1A
RK80532RC045128 BX80532RC2100B	2.1 GHz	128K, 400MHz, Socket 478	1.2b	V3.1A
RK80532RC049128 BX80532RC2200B	2.2 GHz	128K, 400MHz, Socket 478	1.2b	V3.1A
RK80532RC052128 BX80532RC2300B	2.3 GHz	128K, 400MHz, Socket 478	1.2b	V3.1A
RK80532RC056128 BX80532RC2400B	2.4 GHz	128K, 400MHz, Socket 478	1.2b	V3.1A
RK80532RC060128 BX80532RC2500B	2.5 GHz	128K, 400MHz, Socket 478	1.2b	V3.1A
RK80532RC064128 BX80532RC2600B	2.6 GHz	128K, 400MHz, Socket 478	1.2b	V3.1A
RK80532RC068128 BX80532RC2700B	2.7 GHz	128K, 400MHz, Socket 478	1.2b	V3.1A
RK80532RC072128 BX80532RC2800B	2.8 GHz	128K, 400MHz, Socket 478	1.2b	V3.1A
Intel Celeron D
RK80546RE083256 NE80546RE083256 BX80546RE3066C	345	3.06 GHz, 256K, 533MHz, Socket 478, Prescott	1.2b	V3.1A
Intel Pentium 4
RK80531PC025G0K BX80531NK160G	1.6 GHz	256K, 400MHz, Socket 478, Willamette	1.2b	V3.1A
RK80532PC025512 BX80532PC1600D	1.6A GHz	256K, 400MHz, Socket 478, Northwood	1.2b	V3.1A
RK80531PC029G0K BX80531NK170G	1.7 GHz	256K, 400MHz, Socket 478, Willamette	1.2b	V3.1A
RK80531PC033G0K BX80531NK180G	1.8 GHz	256K, 400MHz, Socket 478, Willamette	1.2b	V3.1A
RK80532PC033512 BX80532PC1800D	1.8A GHz	512K, 400MHz, Socket 478, Northwood	1.2b	V3.1A
RK80531PC037G0K BX80531NK190G	1.9 GHz	256K, 400MHz, Socket 478, Willamette	1.2b	V3.1A
RK80531PC041G0K BX80531NK200G	2.0 GHz	256K, 400MHz, Socket 478, Willamette	1.2b	V3.1A
RK80532PC041512 BX80532PC2000D	2.0A GHz	512K, 400MHz, Socket 478, Northwood	1.2b	V3.1A
RK80532PC049512 BX80532PC2200D	2.2 GHz	512K, 400MHz, Socket 478, Northwood	1.2b	V3.1A
RK80532PC056512 BX80532PC2400D	2.4 GHz	512K, 400MHz, Socket 478, Northwood	1.2b	V3.1A

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.