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®
Intel Server Board 
SE7520JR2 
Technical Product Specification 
 
 
Revision 1.0
October 2004
Enterprise Platforms and Services Marketing
 
 
                                                                                                                                                                                                                                                                                                                                                                  
                    
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                        Revision History Intel® Server Board SE7520JR2  Revision History    Date  Revision Modifications  Number  December 2003 0.5 Preliminary Release  June 2004 0.9 Memory Sub-system rewrite, BIOS Chapter Updated,  Management Chapter  re-write, Error Handling chapter re-write, several changes made to better  reflect final design   October 2004 1.0 First non-NDA release; Updated IRQ routing diagrams, Updated mBMC  Sensor tables,  Updates to Regulatory Information,  Updated Sensor data  tables      ii R
                    
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                        Intel® Server Board SE7520JR2 Disclaimers      Disclaimers  ® Information in this document is provided in connection with Intel products. No license, express or  implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except  as provided in Intel's Terms and Conditions of Sale for such products, Intel assumes no liability  whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel  products including liability
                    
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                        Table of Contents Intel® Server Board SE7520JR2  Table of Contents  1. Introduction ........................................................................................................................19  1.1 Chapter Outline......................................................................................................19  1.2 Server Board Use Disclaimer ................................................................................20  2. Server Board Overview...........................
                    
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                        Intel® Server Board SE7520JR2 Table of Contents  3.2.2 PCI-X Hub (PXH)...................................................................................................33  3.2.2.1 Full-height Riser Slot..........................................................................................33  3.2.2.2 Low Profile Riser Slot.........................................................................................33  3.2.2.3 I/OxAPIC Controller.....................................................
                    
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                        Table of Contents Intel® Server Board SE7520JR2  3.4.3 Interrupt Routing ....................................................................................................52  3.4.3.1 Legacy Interrupt Routing....................................................................................52  3.4.3.2 APIC Interrupt Routing .......................................................................................53  3.4.3.3 Legacy Interrupt Sources ................................................
                    
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                        Intel® Server Board SE7520JR2 Table of Contents  4.3 BIOS Power On Self Test (POST).........................................................................81  4.3.1 User Interface ........................................................................................................81  4.3.1.1 System Activity Window .....................................................................................82  4.3.1.2 Splash Screen/Diagnostic Window ...................................................
                    
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                        Table of Contents Intel® Server Board SE7520JR2  5.1 Platform Management Architecture Overview .....................................................115  5.1.1 5V Standby ..........................................................................................................116  5.1.2 IPMI Messaging, Commands, and Abstractions xxx............................................116  5.1.3 IPMI ‘Sensor Model’.............................................................................................
                    
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                        Intel® Server Board SE7520JR2 Table of Contents  5.3.17.2 User Model.....................................................................................................134  5.3.17.3 Request/Response Protocol ..........................................................................134  5.3.17.4 Host to mBMC Communication Interface.......................................................134  5.3.17.5 LAN Interface ....................................................................................
                    
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                        Table of Contents Intel® Server Board SE7520JR2  6.4.2 Diagnostic LEDs ..................................................................................................167  6.4.3 POST Code Checkpoints.....................................................................................168  6.4.4 Bootblock Initialization Code Checkpoints...........................................................170  6.4.5 Bootblock Recovery Code Checkpoint .........................................................
                    
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                        Intel® Server Board SE7520JR2 Table of Contents  8. Design and Environmental Specifications.....................................................................202  8.1 Server Board SE7520JR2 Design Specification..................................................202  8.2 Power Supply Requirements ...............................................................................202  8.2.1 Output Connectors...............................................................................................2
                    
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                        Table of Contents Intel® Server Board SE7520JR2  Appendix A: Integration and Usage Tips..............................................................................221  Glossary...................................................................................................................................222  Reference Documents ............................................................................................................225      xii Revision 1.0  C78844-002                     
                    
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                        Intel® Server Board SE7520JR2 List of Figures  List of Figures  Figure 1. SE7520JR2 Board Layout ...........................................................................................23  Figure 2. Server Board Dimensions............................................................................................25  Figure 3. Server Board SE7520JR2 Block Diagram ...................................................................26  Figure 4. CEK Processor Mounting ............................
                    
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                        List of Tables Intel® Server Board SE7520JR2  List of Tables  Table 1: Baseboard Layout Reference .......................................................................................24  Table 2: Processor Support Matrix .............................................................................................28  Table 3: Supported DDR-266 DIMM Populations .......................................................................39  Table 4: Supported DDR-333 DIMM Populations .................
                    
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                        Intel® Server Board SE7520JR2 List of Tables  Table 33:  BIOS Setup, Boot Device Priority Sub-menu Selections ...........................................97  Table 34:  BIOS Setup, Hard Disk Drive Sub-Menu Selections..................................................97  Table 35:  BIOS Setup, Removable Drives Sub-menu Selections..............................................97  Table 36:  BIOS Setup, CD/DVD Drives Sub-menu Selections..................................................97  Table 37:  B
                    
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                        List of Tables Intel® Server Board SE7520JR2  Table 68: Error Codes and Messages ......................................................................................162  Table 69: Error Codes Sent to the Management Module .........................................................164  Table 70: BIOS Generated Beep Codes...................................................................................165  Table 71: Troubleshooting BIOS Beep Codes..................................................
                    
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                        Intel® Server Board SE7520JR2 List of Tables  Table 103: External USB Connector Pin-out ............................................................................197  Table 104: Internal 1x10 USB Connector Pin-out (J1F1) .........................................................198  Table 105: Internal 2x5 USB Connector (J1G1) .......................................................................198  Table 106: CPU1/CPU2 Fan Connector Pin-out (J5F2, J7F1) ......................................
                    
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                        List of Tables Intel® Server Board SE7520JR2      < This page intentionally left blank. >      xviii Revision 1.0  C78844-002                                                                                                                                                                                                                                                                                                                                                                                       
                    
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                        Intel® Server Board SE7520JR2 Introduction  1. Introduction  This Technical Product Specification (TPS) provides detail to the architecture and feature set of  ® the Intel Server Board SE7520JR2.   The target audience for this document is anyone wishing to obtain more in depth detail of the  server board than what is generally made available in the board’s Users Guide. It is a technical  document meant to assist people with understanding and learning more about the specific  features of the boar
                    
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                        Introduction Intel® Server Board SE7520JR2  1.2 Server Board Use Disclaimer  Intel Corporation server boards contain a number of high-density VLSI and power delivery  components that need adequate airflow to cool. Intel ensures through its own chassis  development and testing that when Intel server building blocks are used together, the fully  integrated system will meet the intended thermal requirements of these components. It is the  responsibility of the system integrator who chooses not to u