Intel CM8063501287403 User Manual

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Power Management
98
Intel® Xeon® Processor E5-1600 v2/E5-2600 v2 Product Families 
Datasheet Volume One of Two
The I/O buffer for an unused signal should be tristated (output driver disabled), the 
input receiver (differential sense-amp) should be disabled. The input path must be 
gated to prevent spurious results due to noise on the unused signals (typically handled 
automatically when input receiver is disabled).
4.4
DMI2/PCI Express* Power Management
Active State Power Management (ASPM) support using L1 state, L0s is not supported.
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