Chapter 4: BIOS
85
ACPI Settings
WHEA Support
Select Enabled to support the Windows Hardware Error Architecture (WHEA) platform 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 Disabled and
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 reducing the dependency on other
timestamp calculation devices, such as an x86 RDTSC Instruction embedded in the CPU.
The High Performance Event Timer is used to replace the 8254 Programmable Interval Timer.
The options are Disabled and
Enabled
.
Native PCIE Enable
Use this feature to enable PCI-E Native Hot Plug/Power Management Events controls. The
options are Disabled and
Enabled
.
Native ASPM
Use this feature to select which system will control the Active State Power Management
(ASPM). Select Eanbled for OS-controlled ASPM. Select Disabled for BIOS-controlled ASPM.
The options are
Auto
, Enabled, and Disabled.
Numa
This setting enables
or disables Non-Uniform Memory Access (NUMA), a feature that im-
proves memory-to-processor communication and performance. The options are Disabled and
Enabled
.
Boot Feature
Fast Boot
Use this feature to reduce boot time by initializing a minimal set of devices required to launch
an active boot option. Enabling this feature has no effect on BBS boot options. The options
are
Disabled
and Enabled.
Quiet Boot
Use this feature to select the screen display between the POST messages and the OEM logo
upon bootup. Select Disabled to display the POST messages. Select Enabled to display the
OEM logo instead of the normal POST messages. The options are Disabled and
Enabled
.
