Chapter 4: BIOS
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MEBx Resolution Settings
Non-UI Mode Resolution
This feature controls the resolution for non-UI text mode. The options are Auto, 80x25,
and 100x31.
UI Mode Resolution
This feature controls the resolution for UI text mode. The options are Auto, 80x25, and
100x31.
Graphics Mode Resolution
This feature controls the resolution for graphics mode. The options are Auto, 640x480,
800x600, and 1024x768.
ACPI Settings
WHEA Support
Enable this feature to support the Windows Hardware Error Architeture (WHEA) platform and
provide a common infrastructure for the system to handle hardware errors within the Windows
OS environment in order to reduce system crashes and enhance system recovery and health
monitoring. The options are Disabled or Enabled.
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 and educing the depenency on other
timestamp calculation devices, such as an x86 RDTSC Instruction embedded in the CPU. The
High Performance Event Timer is used to replacce the 8254 Programmable Interval Timer.
The options are Disabled or Enabled.
Native PCIE Enable
This feature enables native PCIE. The options are Disabled or Enabled.
Native ASPM
This feature enables native ASPM. If set to Enabled, the native ASPM will be OS Controlled.
If set to Disabled, the native ASPM will be BIOS Controlled. The default option is Disabled.
PCIe/PCI/PnP Conguration
Video
This feature controls which option ROM to execute for the Video device. The options are Do
Not Launch, UEFI, and Legacy.
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