Chapter 4: BIOS
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USB Mass Storage Driver Support
Select Enabled for USB mass storage device support. The options are Disabled and Enabled.
USB hardware delays and time-outs:
USB transfer time-out
Use this feature to set the time out value for Control, Bulk, and Interrupt transfers. The options
are 1 sec, 5 sec, 10 sec, and 20 sec.
Device reset time-out
Use this feature to set the USB mass storage device Start Unit command time out. The
options are 10 sec, 20 sec, 30 sec, and 40 sec.
Device power-up delay
Use this feature to set the maximum time the device will take before it reports itself to the
host controller. The options are Auto and Manual.
PCIe/PCI/PnP Conguration
Onboard Video Option ROM
Use this feature to select which rmware function to be loaded for LAN1 used for system
boot. The options are Disabled and Legacy (if the Boot Mode Select feature under the Boot
tab is set to Legacy), Disabled and EFI (if the Boot Mode Select feature under the Boot tab
is set to UEFI), and Disabled, Legacy, and EFI (if the Boot Mode Select feature under the
Boot tab is set to Dual).
Above 4GB MMIO BIOS assignment
Select Enabled to decode a PCI device that supports 64-bit in the space above 4G Address.
The options are Disabled and Enabled.
NVMe Firmware Source
The feature determines which type of NVMe rmware should be used in your system. The
options are Vendor Dened Firmware and AMI Native Support.
Storage Option ROM/UEFI Driver
TThis feature controls the execution of UEFI and Legacy storage option ROM. The options
are Do not launch, UEFI, and Legacy.
PCIe/PCI/PnP Conguration