Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
RK80530RY001256 BX80530F1000256	1AG	Tualatin, 100 MHz FSB	W6321VMS.520	2	Not supported
RK80530RY005256 BX80530F1100256	1.1AG	Tualatin, 100 MHz FSB	W6321VMS.520	2	Not supported
FV80524RX300128	300A	PPGA, 66 MHz FSB	W6321VMS.520	2
FV80524RX333128 BX80524P333128	333	PPGA, 66 MHz FSB	W6321VMS.520	2
FV80524RX366128 BX80524P366128	366	PPGA, 66 MHz FSB	W6321VMS.520	2
FV80524RX400128 BX80524P400128	400	PPGA, 66 MHz FSB	W6321VMS.520	2
FV80524RX433128 BX80524P433128	433	PPGA, 66 MHz FSB	W6321VMS.520	2
FV80524RX466128 BX80524P466128	466	PPGA, 66 MHz FSB	W6321VMS.520	2
FV80524RX500128 BX80524P500128	500	PPGA, 66 MHz FSB	W6321VMS.520	2
FV80524RX533128 BX80524P533128	533	PPGA, 66 MHz FSB	W6321VMS.520	2
RB80526RX600128 BX80526F600128	600	66 MHz FSB	W6321VMS.520	2
RB80526RX633128 BX80526F633128	633	66 MHz FSB	W6321VMS.520	2
RB80526RX667128 BX80526F667128	667	66 MHz FSB	W6321VMS.520	2
RB80526RX700128 BX80526F700128	700	66 MHz FSB	W6321VMS.520	2
RB80526RX733128 BX80526F733128	733	66 MHz FSB	W6321VMS.520	2
RB80526RX766128 BX80526F766128	766	66 MHz FSB	W6321VMS.520	2
RK80530RY009256 BX80530F1200256	1.2 GHz	Tualatin, 100 MHz FSB	W6321VMS.520	2	Not supported
RK80530RY013256 BX80530F1300256	1.3 GHz	Tualatin, 100 MHz FSB	W6321VMS.520	2	Not supported
RK80530RY017256 BX80530F1400256	1.4 GHz	Tualatin, 100 MHz FSB	W6321VMS.520	2	Not supported
Intel Celeron Coppermine
RB80526RY800128 BX80526F800128	800	100 MHz FSB	W6321VMS.520	2
RB80526RY850128 BX80526F850128	850	100 MHz FSB	W6321VMS.520	2
RB80526RY900128 BX80526F900128	900	100 MHz FSB	W6321VMS.520	2
RB80526RY950128 BX80526F950128	950	100 MHz FSB	W6321VMS.520	2
RB80526RY001128 BX80526F1000128	1 GHz	100 MHz FSB	W6321VMS.520	2
RB80526RY005128 BX80526F1100128	1.1 GHz	100 MHz FSB	W6321VMS.520	2
Intel Pentium III
RK80530PZ006256 BX80530C1133256 RK80530KZ006512 RK80530KZ00651E BX80530C1133512	1.13AG	Tualatin, 133 MHz FSB	W6321VMS.520	2	Not supported
RB80526PY500256 BX80526F500256	500E	Coppermine, 100 MHz FSB	W6321VMS.520	2
RB80526PY550256 BX80526F550256	550E	Coppermine, 100 MHz FSB	W6321VMS.520	2
RB80526PY600256 BX80526F600256	600E	Coppermine, 100 MHz FSB	W6321VMS.520	2
RB80526PZ600256 BX80526C600256	600EB	Coppermine, 133 MHz FSB	W6321VMS.520	2
RB80526PY650256 BX80526F667256	650	Coppermine, 100 MHz FSB	W6321VMS.520	2
RB80526PZ667256 BX80526F667256	667	Coppermine, 133 MHz FSB	W6321VMS.520	2
RB80526PY700256 BX80526F700256	700	Coppermine, 100 MHz FSB	W6321VMS.520	2
RB80526PZ733256 BX80526F733256	733	Coppermine, 133 MHz FSB	W6321VMS.520	2
RB80526PY750256 BX80526F750256	750	Coppermine, 100 MHz FSB	W6321VMS.520	2
RB80526PZ800256 BX80526C800256E	800EB	Coppermine, 133 MHz FSB	W6321VMS.520	2
RB80526PY850256 BX80526F850256	850	Coppermine, 100 MHz FSB	W6321VMS.520	2
RB80526PZ866256 BX80526C866256 RK80526PZ866256	866	Coppermine, 133 MHz FSB	W6321VMS.520	2
RB80526PZ933256 BX80526C933256 RK80526PZ933256	933	Coppermine, 133 MHz FSB	W6321VMS.520	2
RB80526PY001256 BX80526F1000256	1 GHz	Coppermine, 100 MHz FSB	W6321VMS.520	2
RB80526PY005256 BX80526F1100256	1.1 GHz	Coppermine, 100 MHz FSB	W6321VMS.520	2
RK80526PZ006256	1.13 GHz	Coppermine, 133 MHz FSB	W6321VMS.520	2
RK80530PZ009256 BX80530C1200256	1.2 GHz	Tualatin, 133 MHz FSB	W6321VMS.520	2	Not supported
RK80530KZ012512 RK80530KZ01251E BX80530C1266512	1.26 GHz	Tualatin, 133 MHz FSB	W6321VMS.520	2	Not supported
RK80530PZ017256 RK80530PZ01725E RK80530KZ017512 RK80530KZ01751E BX80530C1400512	1.4 GHz	Tualatin, 133 MHz FSB	W6321VMS.520	2	Not supported

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.