HPE has provided an updated System ROM for the Proliant m710x cartridge. The System ROM version 1.64 dated 27.02.2018 is available here
Today, HPE remove the System ROM from it’s download pages due to issues.
HPE has provided a new System ROM for the Proliant m710x cartridge to mitigate the Spectre and Meltdown vulnerabilities.
The System ROM version 1.60 dated 12.12.2017 is available here
Use the CLI & chassis manager or HPE SUM to update the firmware.