M.2 drives not detecting after VROC install on ASUS server

M.2 drives not detecting after VROC install on ASUS server

Issue: 

M.2 drives not detecting on ASUS Server

Cause: 

VROC doesn’t work if CSM mode enabled. Also Broadcom menu item will disappear if CSM mode enabled (Broadcom BIOS will use legacy tool for RAID creation).

Solution:

Re-flashed the BIOS

Compatibility Support Module
The Compatibility Support Module (CSM) is a component of the UEFI firmware that provides legacy BIOS compatibility by emulating a BIOS environment, allowing legacy operating systems and some option ROMs that do not support UEFI to still be used.

CSM also provides required legacy System Management Mode (SMM) functionality, called CompatibilitySmm, as an addition to features provided by the UEFI SMM. This is optional, and highly chipset and platform specific. An example of such a legacy SMM functionality is providing USB legacy support for keyboard and mouse, by emulating their classic PS/2 counterparts.





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