Intel Core i7 Processor I7-940 AT80601000921AA User Manual

Product codes
AT80601000921AA
Page of 102
Datasheet 
9
Introduction
1
Introduction
The Intel
®
 Core™ i7 processor Extreme Edition and Intel
®
 Core™ i7 processor are 
intended for high performance high-end desktop, Uni-processor (UP) server, and 
workstation systems. Several architectural and microarchitectural enhancements have 
been added to this processor including four processor cores in the processor package 
and increased shared cache.
The Intel
®
 Core™ i7 processor Extreme Edition and Intel
®
 Core™ i7 processor is the 
first desktop multi-core processor to implement key new technologies:
• Integrated memory controller
• Point-to-point link interface based on Intel QPI
 shows the interfaces used with these new technologies.
Note:
In this document the Intel
®
 Core™ i7 processor Extreme Edition and Intel
®
 Core™ i7 
processor will be referred to as “the processor.”
Note:
The Intel Core™ i7 processor refers to the Intel Core™ i7 processors i7-940 and i7-920.
Note:
The Intel Core™ i7 processor Extreme Edition refers to the Intel Core™ i7 processor 
Extreme Edition i7-965.
The processor is optimized for performance with the power efficiencies of a low-power 
microarchitecture.
This document provides DC electrical specifications, differential signaling specifications, 
pinout and signal definitions, package mechanical specifications and thermal 
requirements, and additional features pertinent to the implementation and operation of 
the processor. For information on register descriptions, refer to the Intel
®
 Core™ i7 
Processor Extreme Edition and Intel
®
 Core™ i7 Processor Datasheet, Volume 2.
The processor is a multi-core processor built on the 45 nm process technology, that 
uses up to 130 W thermal design power (TDP). The processor features an Intel QPI 
point-to-point link capable of up to 6.4 GT/s, 8 MB Level 3 cache, and an integrated 
memory controller. 
Figure 1-1. High-Level View of Processor Interfaces
Processor
Intel
®
 QuickPath 
Interconnect (Intel
®
 QPI)
CH 0
CH 1
CH 2
System 
Memory 
(DDR3)