BIOS Setup Utility
Advanced Setup Configurations
3-13
Themis Computer
Air Flow (Closed Loop/Open Loop)
This is the air flow speed to the DIMM modules. Each step is one mm/sec. The
default is
[1500]
. Press “+” or “-” on your keyboard to change this value.
Altitude (Closed Loop/Open Loop)
This feature defines how many meters above or below sea level the system is
located. Options are
Sea Level or Below,
1~300, 301~600, 601~900, 901~1200,
1201~1500, 1501~1800, 1801~2100, 2101~2400, 2401~2700, and 2701~3000.
DIMM Pitch (Closed Loop/Open Loop)
This is the physical space between each DIMM module. Each step is in 1/1000 of an
inch. The default is
[400]
. Press “+” or “-” on your keyboard to change this value.
3.3.3.10 Intel VT-d
Select Enabled to enable Intel's Virtualization Technology support for Direct I/O VT-
d by reporting the I/O device assignments to VMM through the DMAR ACPI
Tables. This feature offers fully-protected I/O resource-sharing across the Intel plat-
forms, providing the user with greater reliability, security and availability in net-
working and data-sharing. The settings are Enabled and
Disabled
.
3.3.3.11 SR-IOV Support
Single Root I/O Virtualization is an industry-standard mechanism that allow devices
to advertise their capability to be simultaneously shared among several virtual
machines. SR-IOV is capable of partitioning a PCI function into several virtual
interfaces for sharing the resources of a PCI Express (PCI-E) device under a virtual
environment. The options are
Disabled
and Enabled.
3.3.3.12 NUMA Support
Select Enabled to use the feature of Non-Uniform Memory Access to improve CPU
performance. The options are Enabled
and
Disabled
and NUMA for SLES 11.
3.3.3.13 Intel I/OAT
The Intel I/OAT (I/O Acceleration Technology) significantly reduces CPU overhead
by leveraging CPU architectural improvements, freeing resources for other tasks.
The options are Disabled and
Enabled
.
