Tyan Thunder K8QW (S4881) motherboard specifications

CPU socket type:

Socket 940

Tyan Thunder K8QW (S4881) CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
AMD Dual-Core Opteron
OSK860CCWOF OSK860FAA6CC	860HE	2 MB L2
OST865FAA6CC OSA865CCWOF OSA865FAA6CC OSA865FKM6BS OST865FKQ6BS	865	2 MB L2
OSK865CCWOF OSK865FAA6CC	865HE	2 MB L2
OSA870CCWOF OSA870FAA6CC OST870FKQ6BS OSA870FKM6BS OST870FAA6CC	870	2 MB L2
OSK870CCWOF OSK870FAA6CC	870HE	2 MB L2
OST875FAA6CC OSA875FKM6BS OST875FKQ6BS OSA875CCWOF OSA875FAA6CC	875	2 MB L2
OSK875CCWOF OSK875FAA6CC	875HE	2 MB L2
OST880FAA6CC OSA880CCWOF OSA880FAA6CC	880	2 MB L2
OST885FAA6CC OSA885CCWOF OSA885FAA6CC	885	2 MB L2
OSA890CCWOF OSA890FAA6CC	890	2 MB L2
AMD Opteron
OSA840CCO5AI OSA840CEP5AM OSA840AVWOF OSA840CEP5AV	840	1 MB L2
OSB840CSP5AV	840EE	1 MB L2
OSA842CEP5AM OSA842CCO5AI OSA842AVWOF OSA842CEP5AV OSA842BMWOF OSA842FAA5BM	842	1 MB L2
OSA844CCO5AI OSA844BMWOF OSA844FAA5BM OSA844CEP5AM OSA844AVWOF OSA844CEP5AV	844	1 MB L2
OSA846CEP5AM OSA846BMWOF OSA846FAA5BM OSA846AVWOF OSA846CEP5AV	846	1 MB L2
OSK846AVWOF OSK846CMP5AV OSK846FAA5BM	846HE	1 MB L2
OSA848AVWOF OSA848CEP5AV OSA848CEP5AM OSA848BMWOF OSA848FAA5BM	848	1 MB L2
OSK848BMWOF OSK848FAA5BM	848HE	1 MB L2
OSA850AVWOF OSA850CEP5AV OSA850BMWOF OSA850FAA5BM	850	1 MB L2
OSK850BMWOF OSK850FAA5BM	850HE	1 MB L2
OSA852BMWOF OSA852FAA5BM OSP852FAA5BM	852	1 MB L2
OSA854BMWOF OSA854FAA5BM OSP854FAA5BM	854	1 MB L2
OSA856BMWOF OSA856FAA5BM	856	1 MB L2

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.