Intel SE7520JR2

Table of Contents Intel® Server Board SE7520JR2
Revision 1.0
C78844-002
iv
Table of Contents
1. Introduction ........................................................................................................................19
1.1 Chapter Outline...................................................................................................... 19
1.2 Server Board Use Disclaimer ................................................................................ 20
2. Server Board Overview...................................................................................................... 21
2.1 Server Board SE7520JR2 SKU Availability ........................................................... 21
2.2 Server Board SE7520JR2 Feature Set.................................................................. 21
3. Functional Architecture ..................................................................................................... 26
3.1 Processor Sub-system........................................................................................... 27
3.1.1 Processor Voltage Regulators ............................................................................... 27
3.1.2 Reset Configuration Logic ..................................................................................... 27
3.1.3 Processor Module Presence Detection .................................................................27
3.1.4 GTL2006................................................................................................................27
3.1.5 Common Enabling Kit (CEK) Design Support........................................................ 28
3.1.6 Processor Support ................................................................................................. 28
3.1.6.1 Processor Mis-population Detection .................................................................. 29
3.1.6.2 Mixed Processor Steppings ...............................................................................29
3.1.6.3 Mixed Processor Models....................................................................................29
3.1.6.4 Mixed Processor Families .................................................................................. 29
3.1.6.5 Mixed Processor Cache Sizes ........................................................................... 29
3.1.6.6 Jumperless Processor Speed Settings .............................................................. 29
3.1.6.7 Microcode........................................................................................................... 30
3.1.6.8 Processor Cache................................................................................................ 30
3.1.6.9 Hyper-Threading Technology............................................................................. 30
3.1.6.10 Intel® SpeedStep® Technology....................................................................... 30
3.1.6.11 EM64T Technology Support ............................................................................30
3.1.7 Multiple Processor Initialization ............................................................................. 30
3.1.8 CPU Thermal Sensors........................................................................................... 31
3.1.9 Processor Thermal Control Sensor .......................................................................31
3.1.10 Processor Thermal Trip Shutdown ........................................................................ 31
3.1.11 Processor IERR ..................................................................................................... 31
3.2 Intel® E7520 Chipset............................................................................................. 31
3.2.1 Memory Controller Hub (MCH) .............................................................................. 32
3.2.1.1 Front Side Bus (FSB) ......................................................................................... 32
3.2.1.2 MCH Memory Sub-System Overview................................................................. 32
3.2.1.3 PCI Express ....................................................................................................... 32
3.2.1.4 Hub Interface...................................................................................................... 33