AOpen AX4B motherboard specifications

CPU socket type:

Socket 478

AOpen AX4B CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
BX80531P170G128 RK80531RC029128	1.7 GHz	17x, FSB 400 MHz, Willamette	R1.05
BX80531P180G128 RK80531RC033128	1.8 GHz	18x, FSB 400 MHz, Willamette	R1.05
BX80532RC2000B RK80532RC041128	2 GHz	20x, FSB 400 MHz, Northwood	R1.06
BX80532RC2000B RK80532RC041128	2.0 GHz	20x, FSB 400 MHz, Northwood	R1.06
BX80532RC2100B RK80532RC045128	2.1 GHz	21x, FSB 400 MHz, Northwood	R1.06
BX80532RC2200B RK80532RC049128	2.2 GHz	22x, FSB 400 MHz, Northwood	R1.06
BX80532RC2300B RK80532RC052128	2.3 GHz	23x, FSB 400 MHz, Northwood	37/R1.07
BX80532RC2400B RK80532RC056128	2.4 GHz	24x, FSB 400 MHz, Northwood	37/R1.07
BX80532RC2500B RK80532RC060128	2.5 GHz	25x, FSB 400 MHz, Northwood	37/R1.07
BX80532RC2600B RK80532RC064128	2.6 GHz	26x, FSB 400 MHz, Northwood	37/R1.07
BX80532RC2800B RK80532RC072128	2.8 GHz	28x, FSB 400 MHz, Northwood	37/R1.07
Intel Pentium 4
BX80531NK150G RK80531PC021G0K	1.5 GHz	15x, FSB 400 MHz, Willamette	R1.05
BX80532PC1600D RK80532PC025512	1.6 GHz	16x, FSB 400 MHz, L2 512 KB, Northwood, 0.13 micron	R1.05
BX80531NK160G RK80531PC025G0K	1.6 GHz	16x, FSB 400 MHz, Willamette	R1.05
BX80531NK170G RK80531PC029G0K	1.7 GHz	17x, FSB 400 MHz, Willamette	R1.05
BX80532PC1800D RK80532PC033512	1.8 GHz	18x, FSB 400 MHz, L2 512 KB, Northwood, 0.13 micron	R1.05
BX80531NK180G RK80531PC033G0K	1.8 GHz	18x, FSB 400 MHz, Willamette	R1.05
BX80531NK190G RK80531PC037G0K	1.9 GHz	19x, FSB 400 MHz, Willamette	R1.05
BX80532PC2000D RK80532PC041512	2 GHz	20x, FSB 400 MHz, L2 512 KB, Northwood, 0.13 micron	R1.05
BX80531NK200G RK80531PC041G0K	2 GHz	20x, FSB 400 MHz, Willamette	R1.05
BX80532PC2000D RK80532PC041512	2.0 GHz	20x, FSB 400 MHz, L2 512 KB, Northwood, 0.13 micron	R1.05
BX80531NK200G RK80531PC041G0K	2.0 GHz	20x, FSB 400 MHz, Willamette	R1.05
BX80532PC2200D RK80532PC049512	2.2 GHz	22x, FSB 400 MHz, Northwood	R1.05
BX80532PC2400D RK80532PC056512	2.4 GHz	24x, FSB 400 MHz, Northwood	R1.05
BX80532PC2500D RK80532PC060512	2.5 GHz	25x, FSB 400 MHz, Northwood	R1.05
BX80532PC2600D RK80532PC064512	2.6 GHz	26x, FSB 400 MHz, Northwood	R1.05

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.