User`s manual

4-12
X9DRH-7F/-iF/-7TF/-iTF Motherboard User’s Manual
Current QPI Link Frequency
This item displays the current frequency of the QPI Link.
Isoc
Select Enabled to enable Isochronous support to meet QoS (Quality of Service)
requirements. This feature is especially important for virtualization technology.
The options are Disabled and Enabled.
QPI (Quick Path Interconnect) Link Speed Mode
Use this feature to select data transfer speed for QPI Link connections. The
options are Fast and Slow.
QPI Link Frequency Select
Use this feature to select the desired QPI frequency. The options are Auto, 6.4
GT/s, 7.2 GT/s, and 8.0 GT/s.
DIMMConguration
•Current Memory Mode: This item displays the current memory mode.
•Current Memory Speed: This item displays the current memory speed.
•Mirroring: This item displays if memory mirroring is supported by the
motherboard.
•Sparing: This item displays if memory sparing can be supported by the
motherboard.
DIMM Information
The status of the memory modules detected by the BIOS will be displayed.
Memory Mode
When Independent is selected, all DIMMs are available to the operating system.
When Mirroring is selected, the motherboard maintains two identical copies of all
data in memory for data backup. When Lockstep is selected, the motherboard
uses two areas of memory to run the same set of operations in parallel. The
options are Independent, Mirroring, Lockstep and Sparing.
DRAM RAPL Mode
RAPL which stands for Running Average Power Limit is a feature that provides
mechanisms to enforce power consumption limits on supported processors The
options are DRAM RAPL MODE0, DRAM RAPL MODE1, and Disabled.