ASRock B550 Steel Legend User Manual - Page 93

CSM Compatibility Support Module, Launch PXE OpROM Policy, Launch Storage OpROM Policy, Bootup Num-

Page 93 highlights

CSM (Compatibility Support Module) B550 Steel Legend CSM Enable to launch the Compatibility Support Module. Please do not disable unless you're running a WHCK test. Launch PXE OpROM Policy Select UEFI only to run those that support UEFI option ROM only. Select Legacy only to run those that support legacy option ROM only. Select Do not launch to not execute both legacy and UEFI option ROM. Launch Storage OpROM Policy Select UEFI only to run those that support UEFI option ROM only. Select Legacy only to run those that support legacy option ROM only. Select Do not launch to not execute both legacy and UEFI option ROM. Bootup Num-Lock Select whether Num Lock should be turned on or off when the system boots up. Full Screen Logo Enable to display the boot logo or disable to show normal POST messages. 87 English

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English
87
B550 Steel Legend
CSM (Compatibility Support Module)
CSM
Enable to launch the Compatibility Support Module. Please do not disable unless
you’re running a WHCK test.
Launch PXE OpROM Policy
Select UEFI only to run those that support UEFI option ROM only. Select Legacy
only to run those that support legacy option ROM only. Select Do not launch to not
execute both legacy and UEFI option ROM.
Launch Storage OpROM Policy
Select UEFI only to run those that support UEFI option ROM only. Select Legacy
only to run those that support legacy option ROM only. Select Do not launch to not
execute both legacy and UEFI option ROM.
Bootup Num-Lock
Select whether Num Lock should be turned on or off when the system boots up.
Full Screen Logo
Enable to display the boot logo or disable to show normal POST messages.