Supermicro 2027R-E1R24L User Manual page 104

Chapter 7: BIOS
IIO 2 PCIe Port Bifurcation Control
This submenu confi gures the following IO PCIe Port Bifurcation Control settings
for IIO 2 PCIe ports to determine how the available PCI-Express lanes to be
distributed between the PCI-Exp. Root ports.
QPI Confi guration
Current QPI Link
This item displays the current status of the QPI Link.
Current QPI Frequency
This item displays the 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 Enabled and Disabled.
QPI (Quick Path Interconnect) Link Speed Mode
Use this feature to select data transfer speed for QPI Link connections. The
options are Slow and Fast.
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 Confi guration
This section displays the following DIMM information.
Current Memory Mode
This item displays the current memory mode.
Current Memory Speed
This item displays the current memory speed.
Mirroring (Available when supported by the motherboard)
Memory mirroring creates a duplicate copy of the data stored in the memory to
enhance data security.
Sparing (Available when supported by the motherboard)
Memory sparing enhances system reliability, availability, and serviceability.
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