Tyan Thunder K8SRE (S2891) motherboard specifications

CPU socket type:

Socket 940

Tyan Thunder K8SRE (S2891) CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
AMD Dual-Core Opteron
OSK260CBBOX OSK260FAA6CB	260HE	2 MB L2	1.01 or higher
OSP265FAA6CB OSA265CBBOX OSA265CBWOF OSA265FAA6CB	265	2 MB L2	1.01 or higher
OSK265CBBOX OSK265FAA6CB	265HE	2 MB L2	1.01 or higher
OSP270FAA6CB OSA270CBBOX OSA270CBWOF OSA270FAA6CB OST270FAA6CB	270	2 MB L2	1.01 or higher
OSK270CBBOX OSK270FAA6CB	270HE	2 MB L2	1.01 or higher
OST275FAA6CB OSP275FAA6CB OSA275CBBOX OSA275CBWOF OSA275FAA6CB	275	2 MB L2	1.01 or higher
OSA280CBBOX OSA280CBWOF OSA280FAA6CB OSP280FAA6CB OST280FAA6CB	280	2 MB L2	1.01 or higher
OSA285CBBOX OSA285CBWOF OSA285FAA6CB OST285FAA6CB	285	2 MB L2	1.01 or higher
OSA290CBBOX OSA290CBWOF OSA290FAA6CB	290	2 MB L2	1.01 or higher
AMD Opteron
	240	1 MB L2, Rev. CG or higher
	242	1 MB L2, Rev. CG or higher
	244	1 MB L2, Rev. CG or higher
	246	1 MB L2, Rev. CG or higher
	248	1 MB L2, Rev. CG or higher
	250	1 MB L2, Rev. CG or higher
	252	1 MB L2, Rev. CG or higher
	254	1 MB L2, Rev. CG or higher
	256	1 MB L2, Rev. CG or higher

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.