ASROCK EPYC3451D4I2-2T User Manual page 67

OCU2_3 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.)
OCU4_5 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.)
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