The latest supported BIOS and iDRAC firmware version for Series 4, 4S, 5, and 6 appliances are available to download and apply. To obtain the latest security fixes and firmware enhancements, RSA strongly recommends updating systems with the updates provided below.
RSA has qualified these firmware versions and have verified it will NOT affect operation of the NW. Server, Decoder, Concentrator, Broker, Archiver, ESA, Malware, AIO and Hybrid hosts once applied. Reboot is required after applying iDRAC and BIOS updates.
Important: Please use the following instructions for updating Series 4S, 5, and 6 firmware: http://www.dell.com/support/article/us/en/04/sln292363/poweredge-server-updating-firmware-through-the-idrac?lang=en#idrac78
Dell EMC Server PowerEdge BIOS R740/R740xd/R640/R940/7920R Version 2.1.8
iDRAC with Lifecycle Controller v. 126.96.36.199Download and Release Notes
iDRAC with Lifecycle Controller 188.8.131.52
iDRAC with Lifecycle Controller v. 184.108.40.206
Dell iDRAC Monolithic Release 2.92