Intel® Server Board SDS2 Latest BIOS Updates The current Intel® Server Board SDS2 production BIOS is BIOS 3.1 build 51, BMC v.35, HSC 0.08, and FRUSDR V5.0.E. The recommended BIOS upgrade method is as follows: CMOS clear BMC Upgrade HSC Upgrade FRU/SDR Update BIOS CMOS clear Important: Please be sure to read the instruction files and Release Notes prior to installing any firmware or BIOS.