Chapter 4: AMI BIOS

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Network Stack
Select Enabled to enable PXE (Preboot Execution Environment) or UEFI (Unied
Extensible Firmware Interface) for network stack support. The options are Enabled
and Disabled.
Ipv4 PXE Support (Available when Network Stack is set to Enabled)
Select Enabled to enable Ipv4 PXE (Preboot Execution Environment) for boot
support. If this feature is set to Disabled, Ipv4 PXE boot option will not be
supported. The options are Enabled and Disabled.
Ipv6 PXE Support (Available when Network Stack is set to Enabled)
Select Enabled to enable Ipv6 PXE (Preboot Execution Environment) for boot
support. If this feature is set to Disabled, Ipv6 PXE boot option will not be
supported. The options are Enabled and Disabled.
ACPI Settings
High Precision Timer
Select Enabled to activate the High Performance 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 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.
ACPI Sleep State
This feature selects the ACPI Sleep State that the system will enter into when the
suspend button is activated. The options are Suspend Disabled, S1 only (CPU Stop
Clock), S3 only (Suspend to RAM), and Both S1 and S3.
Trusted Computing (Available when a TPM Device is
Detected)
Conguration
Security Device Support
Select Enable for the AMI BIOS to automatically download the drivers needed
to provide Trusted Computing platform support for this machine to ensure date
integrity and network security. The options are Disable and Enable.