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3.6.1 CSM Parameters
CSM
Enable to launch the Compatibility Support Module. Please do not disable unless
you’re running a WHCK test. If you are using Windows Server 2012 R2 or later ver-
sions 64-bit UEFI and all of your devices support UEFI, you may also disable CSM
for faster boot speed.
M2_1/OCU1 Slot OpROM
To select Slot Storage and Network Option ROM policy. In Auto option, the default is Dis-
abled with NVMe device, but it is Legacy with other devices. (This item can’t select Video
Option ROM policy.)
PCIE7/OCU4/OCU3 Slot OpROM
To select Slot Storage and Network Option ROM policy. In Auto option, the default is Dis-
abled with NVMe device, but it is Legacy with other devices. (This item can’t select Video
Option ROM policy.)
PCIE5/OCU6/OCU5 Slot OpROM
To select Slot Storage and Network Option ROM policy. In Auto option, the default is Dis-
abled with NVMe device, but it is Legacy with other devices. (This item can’t select Video
Option ROM policy.)
