Cisco Systems 57712, UCSCPCIEBTG Intel VT-d Coherency Support, Intel VT-d ATS Support

BIOS Parameters by Server Model

Advanced BIOS Parameters for C22 and C24 Servers

Name	Description
Intel VT	Whether the processor uses Intel Virtualization Technology
	(VT), which allows a platform to run multiple operating systems
	and applications in independent partitions. This can be one of
	the following:
	• Disabled—The processor does not permit virtualization.
	• Enabled—The processor allows multiple operating
		systems in independent partitions.
	Note	If you change this option, you must power cycle the
		server before the setting takes effect.
Intel VT-d	Whether the processor uses Intel Virtualization Technology for
	Directed I/O (VT-d). This can be one of the following:
	• Disabled—The processor does not use virtualization
		technology.
	• Enabled—The processor uses virtualization technology.
Intel VT-d Coherency Support	Whether the processor supports Intel VT-d Coherency. This can
	be one of the following:
	• Disabled—The processor does not support coherency.
	• Enabled—The processor uses VT-d Coherency as
		required.
Intel VT-d ATS Support	Whether the processor supports Intel VT-d Address Translation
	Services (ATS). This can be one of the following:

• Disabled—The processor does not support ATS.

• Enabled—The processor uses VT-d ATS as required.

Cisco UCS C-Series Servers Integrated Management Controller CLI Configuration Guide, Release 1.5

OL-28893-01 185