| Part Number | Frequency | Features | BIOS | PCB | Notes |
| Intel Celeron |
RK80531RC029128 BX80531P170G128 | 1.7 GHz | 400 FSB, L2 cache:128KB | 1007.002 | Any | |
RK80531RC033128 BX80531P180G128 RK80532RC033128 BX80532RC1800B | 1.8 GHz | 400 FSB, L2 cache:128KB | 1007.002 | Any | |
RK80531RC041128 BX80531P200G128 RK80532RC041128 BX80532RC2000B | 2.0 GHz | 400 FSB, L2 cache:128KB | 1010 | Any | |
RK80532RC045128 BX80532RC2100B | 2.1 GHz | 400 FSB, L2 cache:128KB | 1010 | Any | |
RK80532RC049128 BX80532RC2200B | 2.2 GHz | 400 FSB, L2 cache:128KB | 1010 | Any | |
| Intel Pentium 4 |
RK80531PC017G0K BX80531NK140G | 1.4 GHz | Socket478, 400 FSB, L2 cache:256KB | Any | Any | |
RK80531PC021G0K BX80531NK150G | 1.5 GHz | Socket478, 400 FSB, L2 cache:256KB | Any | Any | |
RK80531PC025G0K BX80531NK160G | 1.6 GHz | Socket478, 400 FSB, L2 cache:256KB | Any | Any | |
RK80532PC025512 BX80532PC1600D | 1.6A GHz | Socket478, 400 FSB, L2 cache:512KB | 1002 | Any | |
RK80531PC029G0K BX80531NK170G | 1.7 GHz | Socket478, 400 FSB, L2 cache:256KB | Any | Any | |
RK80531PC033G0K BX80531NK180G | 1.8 GHz | Socket478, 400 FSB, L2 cache:256KB | Any | Any | |
RK80532PC033512 BX80532PC1800D | 1.8A GHz | Socket478, 400 FSB, L2 cache:512KB | 1002 | Any | |
RK80531PC037G0K BX80531NK190G | 1.9 GHz | Socket478, 400 FSB, L2 cache:256KB | Any | Any | |
RK80531PC041G0K BX80531NK200G | 2 GHz | Socket478, 400 FSB, L2 cache:256KB | Any | Any | |
RK80532PC041512 BX80532PC2000D | 2A GHz | Socket478, 400 FSB, L2 cache:512KB | 1002 | Any | |
RK80532PC049512 BX80532PC2200D | 2.20 GHz | 400 FSB, L2 cache:512KB | 1002 | Any | |
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.
3G + p4b266
i want to use p4 cpu 3.0GHz 478 1M cache FSB800 by P4B266!
Is can be ok!?
ASUS P4B266 supports only FSB400 processors.
possible cpu?
Does this list apply to the Sony OEM board: Asus P4b266-LM?
also, there are 2.40 and 2.60 Northwood FSB 400mhz out there, are these compatible with this board?
My Sony PCV-RX650 was beeping for every three seconds, after removing and installing Memory Ram. I did CPU upgrade to 2.0Ghz 40MHz 512MB, beeping stopped but I see no display and keyboard only lights up when I press power and lights down forever. Sony Support only can help me if I pay them aprox. $49.95
P4 2.4ghz Works fine..
Im using a 2.4ghz p4 and it works fine.