Chapter 3 – AMI BIOS Setup 60Mobile NVR VPC-3350S3.7 Se tup submenu: BootOp tions SummaryQuiet Boot DisabledEnabled Optimal Default, FailsafeEnables or disables Quiet Boot option.CSM Support DisabledEnabled Optimal Default, FailsafeEnable/Disable CSM SupportLaunch PXE ROM Disabled Optimal Default, FailsafeEnabledControls the execution of UEFI and Legacy PXE OpROMN etwork Stack Disabled Optimal Default, FailsafeEnabledEnable/Disable UEFI Network Stack