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Chapter 4: AMI BIOS
Video
This feature controls how the system executes UEFI (Unified Extensible Firmware
Interface), and legacy Option ROM. Select Legacy Only to boot the system using a
legacy video device. The options are Do not launch, UEFI Only and Legacy Only.
VGA Priority
This feature allows the user to select the graphics adapter to be used as the primary
boot device. The options are Onboard and Offboard.
Onboard LAN Option ROM Type
Use this item to select the device type for onboard LAN Option ROM for system
boot. The options are EFI and Legacy.
Onboard LAN 1 OPROM/Onboard LAN 2 OPROM
Select iSCSI to use the iSCSI Option ROM to boot the computer using a iSCSI
network device. Select PXE (Preboot Execution Environment) to use an PXE Op-
tion ROM to boot the computer using a PXE network device. The default option
for Onboard LAN 1 is PXE and for Onboard LAN 2 is Disabled.
ACPI Settings
High Precision Event Timer
Select Enabled to activate the High Precision Event Timer (HPET) that produces
periodic interrupts at a much higher frequency than a Real-time Clock (RTC) does
in synchronizing multimedia streams, providing smooth playback, reducing the de-
pendency on other timestamp calculation devices, such as an x86 RDTSC Instruc-
tion embedded in the CPU. The High Performance Event Timer is used to replace
the 8254 Programmable Interval Timer. The options are Enabled and Disabled.
WHEA Support
Select Enabled to support the Windows Hardware Error Architecture (WHEA) plat-
form and provide a common infrastructure for the system to handle hardware errors
within the Windows OS environment to reduce system crashes and to enhance
system recovery and health monitoring. The options are Enabled and Disabled.
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