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Datasheet 73

Land Listing and Signal Descriptions

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VSS_MB_

REGULATION

Output

This land is provided as a voltage regulator feedback sense point for

. It is connected internally in the processor package to the sense

point land V27 as described in the Voltage Regulator-Down (VRD)

10.1 Design Guide for Desktop Socket 775.

VTT Miscellaneous voltage supply.

VTT_OUT_LEFT

VTT_OUT_RIGHT

Output

The VTT_OUT_LEFT and VTT_OUT_RIGHT signals are included to

provide a voltage supply for some signals that require termination to

on the motherboard.

VTT_SEL Output

The VTT_SEL signal is used to select the correct V

voltage level for

the processor. This land is connected internally in the package to

VTTPWRGD Input

The processor requires this input to determine that the V

voltages

are stable and within specification.

Table 25. Signal Description (Sheet 1 of 9)

Name Type Description

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 94 95

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