Chapter 6: BIOS
75
North Bridge
UPI (Ultra Path Interconnect) Conguration
• Number of CPU
• Number of IIO
• Current UPI Link Speed
• Current UPI Link Frequency
• UPI Global MMIO Low Base/Limit
• UPI Global MMIO High Base/Limit
•
Degrade Precedence
Use this feature to select the degrading precedence option for Ultra Path Interconnect
connections. Select Topology Precedent to degrade UPI features if system options are in
The options are Topology Precedence and Feature Precedence.
Link L0p Enable
Select Enable to enable Link L0p. The options are Disable, Enable, and Auto.
Link L1 Enable
Select Enable to enable Link L1 (Level 1 link). The options are Disable, Enable, and Auto.
IO Directory Cache
Select Enable for the IODC (I/O Directory Cache) to generate snoops instead of generating
memory lockups for remote IIO (InvIToM) and/or WCiLF (Cores). Select Auto for the IODC to
generate snoops (instead of memory lockups) for WCiLF (Cores). The options are Disable,
Auto, Enable for Remote InvItoM Hybrid Push, InvItoM AllocFlow, Enable for Remote
InvItoM Hybrid AllocNonAlloc, and Enable for Remote InvItoM and Remote WViLF.
Isoc Mode
Select Enable to enable Isochronous support to meet QoS (Quality of Service) requirements.
This feature is especially important for Virtualization Technology. The options are Disable,
Enable, and Auto.
To Next Page
Loading...
