Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
RK80532RC045128 BX80532RC2100B	2.1 GHz	128K, 400MHz, Socket 478	08/03/07	V1.0
RK80532RC049128 BX80532RC2200B	2.2 GHz	128K, 400MHz, Socket 478	08/03/07	V1.0
RK80532RC052128 BX80532RC2300B	2.3 GHz	128K, 400MHz, Socket 478	08/03/07	V1.0
RK80532RC056128 BX80532RC2400B	2.4 GHz	128K, 400MHz, Socket 478	08/03/07	V1.0
RK80532RC060128 BX80532RC2500B	2.5 GHz	128K, 400MHz, Socket 478	08/03/07	V1.0
RK80532RC064128 BX80532RC2600B	2.6 GHz	128K, 400MHz, Socket 478	08/03/07	V1.0
Intel Celeron D
RK80546RE072256 NE80546RE072256 BX80546RE2800C	335	2.8 GHz, 256K, 533MHz, Socket 478, Prescott	08/03/07	V1.0
Intel Pentium 4
RK80532PC041512 BX80532PC2000D	2.0A GHz	512K, 400MHz, Socket 478, Northwood	08/03/07	V1.0
RK80532PE051512 BX80532PE2266D	2.26 GHz	512K, 533MHz, Socket 478, Northwood	08/03/07	V1.0
RK80532PC056512 BX80532PC2400D	2.4 GHz	512K, 400MHz, Socket 478, Northwood	08/03/07	V1.0
RK80532PG056512 BX80532PG2400D	2.4C GHz	512K, 800MHz, Socket 478, HT, Northwood	08/03/07	V1.0
RK80532PG064512 BX80532PG2600D	2.6C GHz	512K, 800MHz, Socket 478, HT, Northwood	08/03/07	V1.0
RK80532PE067512 BX80532PE2667D	2.66 GHz	512K, 533MHz, Socket 478, Northwood	08/03/07	V1.0
RK80532PG072512 BX80532PG2800D	2.8C GHz	512K, 800MHz, Socket 478, HT, Northwood	08/03/07	V1.0
RK80532PE083512 BX80532PE3066D	3.06 GHz	512K, 533MHz, Socket 478, HT, Northwood	08/03/07	V1.0

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.