Intel CM8063501287403 User Manual

 

126

Intel® Xeon® Processor E5-1600 v2/E5-2600 v2 Product Families 

Datasheet Volume One of Two

VSA

Variable power supply for the processor system agent units. These 

include logic (non-I/O) for the integrated I/O controller, the 

integrated memory controller (iMC), the Intel® QPI agent, and the 

Power Control Unit (PCU). The output voltage of this supply is 

selected by the processor, using the serial voltage ID (SVID) bus.
Note: VSA has a Vboot setting of 0.9V. Refer to the compatible 

VR12.0 PWM controller.

VSS

Processor ground node.

VTTA
VTTD

Combined fixed analog and digital power supply for I/O sections of 

the processor Intel QPI interface, Direct Media Interface Gen 2 

(DMI2) interface, and PCI Express* interface. These signals will 

also be referred to as VTT.