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Chapter 4: AMI BIOS
Serial ATA Port 0~5
Hot Plug
This feature designates the port specified for hot plugging. Set this fea-
ture to Enabled for hot-plugging support, which will allow the user to
replace a SATA disk drive without shutting down the system. The options
are Disabled and Enabled.
Spin Up Device
When this feature is disabled, all drives will spin up at boot. When this
option is enabled, it will perform Staggered Spin Up on any drive this
option is activated. The settings are Disabled and Enabled.
SATA Device Type
Use this feature to identify the type of HDD that is connected to the SATA
port. The options are Hard Disk Drive and Solid State Drive.
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 moni-
toring. 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 educing 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 replacce the 8254 Program-
mable Interval Timer. The options are Disabled and Enabled.
Native PCIE Enable
This feature enables native PCIE support. The options are Disabled and
Enabled.
Native ASPM
This feature enables operating system controlled ASPM. Selecting Dis-
abled will allow the BIOS to control ASPM. The default is Auto.
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