Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
RK80530RY005256 BX80530F1100256	1.1A G	100 MHz FSB	Any	4.x
FV80524RX333128 BX80524P333128	333	66 MHz FSB	Any	4.x
FV80524RX366128 BX80524P366128	366	66 MHz FSB	Any	4.x
FV80524RX400128 BX80524P400128	400	66 MHz FSB	Any	4.x
FV80524RX433128 BX80524P433128	433	66 MHz FSB	Any	4.x
FV80524RX466128 BX80524P466128	466	66 MHz FSB	Any	4.x
FV80524RX500128 BX80524P500128	500	66 MHz FSB	Any	4.x
FV80524RX533128 BX80524P533128 RB80526RX533128 BX80526F533128	533	66 MHz FSB	Any	4.x
RB80526RX566128 BX80526F566128	566	66 MHz FSB	Any	4.x
RB80526RX600128 BX80526F600128	600	66 MHz FSB	Any	4.x
RB80526RX633128 BX80526F633128	633	66 MHz FSB	Any	4.x
RB80526RX667128 BX80526F667128	667	66 MHz FSB	Any	4.x
RB80526RX700128 BX80526F700128	700	66 MHz FSB	Any	4.x
RB80526RX733128 BX80526F733128	733	66 MHz FSB	Any	4.x
RB80526RX766128 BX80526F766128	766	66 MHz FSB	Any	4.x
RB80526RY800128 BX80526F800128	800	100 MHz FSB	Any	4.x
RB80526RY850128 BX80526F850128	850	100 MHz FSB	Any	4.x
RB80526RY900128 BX80526F900128	900	100 MHz FSB	Any	4.x
RB80526RY950128 BX80526F950128	950	100 MHz FSB	Any	4.x
RB80526RY005128 BX80526F1100128 RK80530RY005256 BX80530F1100256	1.10 GHz	100 MHz FSB	Any	4.x
RK80530RY009256 BX80530F1200256	1.2 GHz	100 MHz FSB	Any	4.x
RK80530RY013256 BX80530F1300256	1.3 GHz	100 MHz FSB	Any	4.x
RK80530RY017256 BX80530F1400256	1.4 GHz	100 MHz FSB	Any	4.x
Intel Pentium III
RB80526PY500256 BX80526F500256	500	100 MHz FSB, Coppermine	Any	4.x
RB80526PY550256 BX80526F550256	550	100 MHz FSB, Coppermine	Any	4.x
RB80526PY600256 BX80526F600256	600	100 MHz FSB, Coppermine	Any	4.x
RB80526PZ600256 BX80526C600256	600	133 MHz FSB, Coppermine		4.x	Not supported
RB80526PY650256 BX80526F667256	650	100 MHz FSB, Coppermine	Any	4.x
RB80526PZ667256 BX80526F667256	667	133 MHz FSB, Coppermine		4.x	Not supported
RB80526PY700256 BX80526F700256	700	100 MHz FSB, Coppermine	Any	4.x
RB80526PZ733256 BX80526F733256	733	133 MHz FSB, Coppermine		4.x	Not supported
RB80526PY750256 BX80526F750256	750	100 MHz FSB, Coppermine	Any	4.x
RB80526PZ800256 BX80526C800256E	800	133 MHz FSB, Coppermine		4.x	Not supported
RB80526PY850256 BX80526F850256	850	100 MHz FSB, Coppermine	Any	4.x
RB80526PZ866256 BX80526C866256 RK80526PZ866256	866	133 MHz FSB, Coppermine		4.x	Not supported
RB80526PZ933256 BX80526C933256 RK80526PZ933256	933	133 MHz FSB, Coppermine		4.x	Not supported
RB80526PZ001256 BX80526C1000256 RK80526PZ001256 BX80526C1000256	1.0 GHz	133 MHz FSB, Coppermine		4.x	Not supported
RK80530PZ006256 BX80530C1133256 RK80530KZ006512 RK80530KZ00651E BX80530C1133512	1.13 GHz	133 MHz FSB, Tualatin		4.x	Not supported
RK80530PZ009256 BX80530C1200256	1.20 GHz	133 MHz FSB, Tualatin		4.x	Not supported
RK80530KZ012512 RK80530KZ01251E BX80530C1266512	1.266 GHz	133 MHz FSB, Tualatin		4.x	Not supported
RK80530PZ017256 RK80530PZ01725E RK80530KZ017512 RK80530KZ01751E BX80530C1400512	1.4 GHz	133 MHz FSB, Tualatin		4.x	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.