Intel SR1500 - AXXMINIDIMM DDR-2 RAID Controller Cache... User manual

Intel®Server Chassis SR2500
Intel®Server System SR2500AL
Technical Product Specification
Intel order number D31980-009
Revision – 1.6
November 2008
Enterprise Platforms and Services Division – Marketing

Revision History Intel® Server System SR2500AL
Revision – 1.6
Intel order number D31980-009
ii
Revision History
Date Revision
Number Modifications
June 2006 1.0 Initial release.
August 2006 1.1 Updated Active Midplane Diagram.
Updated single power supply population rules.
Updated fan numbering orientation.
January 2007 1.2 Updated ASR2500FHR population table.
Updated figure 16.
Updated regulatory section.
February 2007 1.3 Updated power supply illustrations to show proper placement when using only
one power supply.
August 2007 1.4 Updated figure 18 to reflect proper fan circuitry. Edited processor support and
platform control section.
October 2007 1.5 Updated Power Sub-System. Updated Table 54.
November 2008 1.6 Add introduction of Midplane2

Intel® Server System SR2500AL Disclaimers
Revision – 1.6
Intel order number D31980-009 iii
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 or warranties relating to fitness for a particular
purpose, merchantability, or infringement of any patent, copyright or other intellectual property
right. Intel products are not intended for use in medical, life saving, or life sustaining
applications. Intel may make changes to specifications and product descriptions at any time,
without notice.
Designers must not rely on the absence or characteristics of any features or instructions marked
"reserved" or "undefined." Intel reserves these for future definition and shall have no
responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
The Intel® Server System SR2500AL may contain design defects or errors known as errata
which may cause the product to deviate from published specifications. Current characterized
errata are available on request.
This document and the software described in it is furnished under license and may only be used
or copied in accordance with the terms of the license. The information in this manual is
furnished for informational use only, is subject to change without notice, and should not be
construed as a commitment by Intel Corporation. Intel Corporation assumes no responsibility or
liability for any errors or inaccuracies that may appear in this document or any software that may
be provided in association with this document.
Except as permitted by such license, no part of this document may be reproduced, stored in a
retrieval system, or transmitted in any form or by any means without the express written consent
of Intel Corporation.
Intel, Pentium, Itanium, and Xeon are trademarks or registered trademarks of Intel Corporation.
*Other brands and names may be claimed as the property of others.
Copyright © Intel Corporation 2007.

Table of Contents Intel® Server System SR2500AL
Revision – 1.6
Intel order number D31980-009
iv
Table of Contents
1. Product Overview.................................................................................................................1
1.1 Chassis Views .........................................................................................................1
1.2 Chassis Dimensions................................................................................................2
1.3 System Components ...............................................................................................2
1.4 System Boards ........................................................................................................3
1.5 Control Panel Options..............................................................................................4
1.6 Hard Drive and Peripheral Bays ..............................................................................7
1.7 Power Sub-system...................................................................................................7
1.8 System Cooling........................................................................................................8
1.9 Chassis Security......................................................................................................8
1.10 Rack and Cabinet Mounting Options.......................................................................8
1.11 Front Bezel Features...............................................................................................9
2. Power Sub-System.............................................................................................................11
2.1 Mechanical Overview.............................................................................................11
2.2 Single Power Supply Module Population...............................................................12
2.3 Handle and Retention Mechanism.........................................................................12
2.4 Hot-swap Support..................................................................................................12
2.5 Airflow....................................................................................................................13
2.6 AC Power Cord Specification Requirements.........................................................13
2.7 Output Cable Harness...........................................................................................13
2.7.1 P1 – Server Board Power Connector ....................................................................14
2.7.2 P2 – Processor Power Connector .........................................................................14
2.7.3 P3 – Power Signal Connector................................................................................15
2.7.4 P4 – Backplane Power Connector.........................................................................15
2.7.5 P5 Mid-plane Power Connector.............................................................................15
2.8 AC Input Requirements .........................................................................................15
2.8.1 Efficiency ...............................................................................................................16
2.8.2 AC Input Voltage Specification..............................................................................16
2.8.3 AC Line Dropout / Holdup......................................................................................16
2.8.4 AC Line 5 VSB Holdup ..........................................................................................16
2.8.5 AC Inrush...............................................................................................................17
2.9 Protection Circuits..................................................................................................17
2.9.1 Over-Current Protection (OCP)..............................................................................17
2.9.2 Over-Voltage Protection (OVP) .............................................................................17
2.9.3 Over-Temperature Protection (OTP) .....................................................................18

Intel® Server System SR2500AL Table of Contents
Revision – 1.6
Intel order number D31980-009 v
2.10 DC Output Specification ........................................................................................18
2.10.1 Output Power / Currents........................................................................................18
2.10.2 Standby Output / Standby Mode............................................................................18
2.11 Power Supply Status LED .....................................................................................19
3. Cooling Sub-System ..........................................................................................................20
3.1 Non-redundant Fan Module...................................................................................21
3.2 Redundant System Fan Module ............................................................................23
3.3 Air Flow Support....................................................................................................25
3.3.1 Power Supply Zone ...............................................................................................25
3.3.2 Full Height Riser Zone...........................................................................................25
3.3.3 CPU / Memory / Low Profile PCI Zone ..................................................................26
3.4 Drive Bay Population.............................................................................................26
4. Platform Control.................................................................................................................27
4.1 Overview................................................................................................................27
5. System Board Interconnects.............................................................................................28
5.1 Mid-plane...............................................................................................................28
5.2 Bridge Board..........................................................................................................36
5.3 Hot-Swap SATA/SAS Backplane...........................................................................36
6. Peripheral and Hard Drive Sub-System............................................................................44
6.1 Slimline Drive Bay..................................................................................................44
6.2 Hard Drive Bays.....................................................................................................46
6.2.1 Hot-swap Drive Trays ............................................................................................46
6.3 Optional Tape Drive or 6th Hard Drive Flex Bay.....................................................47
6.4 Mid-plane Options..................................................................................................48
6.4.1 Passive Mid-plane .................................................................................................48
6.4.2 Active Mid-plane with SAS /SAS RAID Support ....................................................49
6.4.3 Active Midplane2 with SAS/SAS RAID Support.....................................................49
6.5 Hot-Swap SAS/SATA Backplane...........................................................................52
6.5.1 SAS/SATA Backplane Layout................................................................................53
6.5.2 SAS/SATA Backplane Functional Architecture......................................................55
7. Standard Control Panel .....................................................................................................57
7.1 Control Panel Buttons...........................................................................................57
7.2 Control Panel LED Indicators ................................................................................58
7.2.1 Power / Sleep LED ................................................................................................60
7.2.2 System Status LED................................................................................................60
7.2.3 Drive Activity LED..................................................................................................61
7.2.4 System Identification LED......................................................................................61
7.3 Control Panel Connectors......................................................................................62

Table of Contents Intel® Server System SR2500AL
Revision – 1.6
Intel order number D31980-009
vi
7.4 Internal Control Panel Interconnect.......................................................................63
8. Intel®Local Control Panel..................................................................................................65
8.1 LED Functionality...................................................................................................66
8.1.1 Power / Sleep LED ................................................................................................67
8.1.2 System Status LED................................................................................................67
8.1.3 Drive Activity LED..................................................................................................68
8.1.4 System Identification LED......................................................................................68
8.2 Intel®Local Control Panel Interconnects ...............................................................69
9. PCI Riser Cards and Assembly.........................................................................................71
9.1 Riser Card Options................................................................................................72
9.2 PCI Riser Card Mechanical Drawings ...................................................................73
10. Supported Intel®Server Boards........................................................................................77
10.1 Intel®Server Board S5000PAL / S5000XAL Feature Set......................................77
10.1.1 Processor Support.................................................................................................79
11. Environmental and Regulatory Specifications...............................................................80
11.1 System Level Environmental Limits.......................................................................80
11.2 Serviceability and Availability.................................................................................80
11.3 Replacing the Back up Battery ..............................................................................81
11.4 Product Regulatory Compliance............................................................................82
11.5 Use of Specified Regulated Components..............................................................82
11.6 Electromagnetic Compatibility Notices ..................................................................84
11.6.1 USA .......................................................................................................................84
11.6.2 FCC Verification Statement...................................................................................85
11.6.3 ICES-003 (Canada)...............................................................................................85
11.6.4 Europe (CE Declaration of Conformity) .................................................................85
11.6.5 Japan EMC Compatibility ......................................................................................85
11.6.6 BSMI (Taiwan).......................................................................................................86
11.6.7 RRL (Korea)...........................................................................................................86
11.6.8 CNCA (CCC-China)...............................................................................................86
11.7 Product Ecology Compliance.................................................................................87
11.8 Other Markings......................................................................................................89
Appendix A: Chassis Integration and Usage Tips.................................................................91
Appendix B: POST Code Diagnostic LED Decoder...............................................................92
Appendix C: POST Error Beep Codes.....................................................................................96
Glossary.....................................................................................................................................97
Reference Documents..............................................................................................................98

Intel® Server System SR2500AL List of Figures
Revision – 1.6
Intel order number D31980-009 vii
List of Figures
Figure 1. Front View with Optional Bezel......................................................................................1
Figure 2. Front View without Bezel (Shown with Standard Control Panel Option) .......................1
Figure 3. Back View – (Shown with 1+1 Power Supply Configuration).........................................1
Figure 4. Major Chassis Components...........................................................................................2
Figure 5. Back Panel Feature Overview.......................................................................................3
Figure 6. Control Panel Modules ..................................................................................................4
Figure 7. Standard Control Panel Overview .................................................................................5
Figure 8. LCD Control Panel Overview.........................................................................................6
Figure 9. Front Panel Feature Overview.......................................................................................7
Figure 10. Optional Front Bezel....................................................................................................9
Figure 11. Front Bezel Supporting Standard Control Panel..........................................................9
Figure 12. Front Bezel Supporting Intel®Local Control Panel....................................................10
Figure 13. Mechanical Drawing for Dual (1+1 configuration) Power Supply Enclosure with PDM11
Figure 14. Power Supply Blank...................................................................................................12
Figure 15. Non-Redundant Fan Module .....................................................................................21
Figure 16. Non-Redundant Fan Header Assignments on Mid-plane..........................................22
Figure 17. Fan Module Assembly...............................................................................................23
Figure 18. Redudant Fan Header Assignments on Mid-plane....................................................24
Figure 19. CPU Air Duct with Air Baffle ......................................................................................26
Figure 20. Drive Blank ................................................................................................................26
Figure 21. Passive Mid-plane Board...........................................................................................28
Figure 22. SAS/SAS RAID Mid-plane Board ..............................................................................29
Figure 22. Active SAS/SAS RAID Midplane 2 Board..................................................................35
Figure 23. Bridge Board..............................................................................................................36
Figure 24. Hot-Swap SAS/SATA Backplane (Front Side View)..................................................37
Figure 25. Hot-Swap SAS/SATA Backplane (Back Side View) ..................................................37
Figure 26. Optional 6th Hard Drive (Front View)..........................................................................44
Figure 27. Slim-Line Optical Drive Assembly..............................................................................44
Figure 28. 50-pin Connector to Slimline Optical Device .............................................................45
Figure 29. Hard Drive Tray Assembly.........................................................................................46
Figure 30. Optional 6th Hard Drive (Front View)..........................................................................47
Figure 31. Optional Tape Drive (Front View)..............................................................................47
Figure 32. Passive Mid-plane Board...........................................................................................48
Figure 33. Active Mid-plane with SAS / SAS RAID Support .......................................................49
Figure 34. Architecture Overview................................................................................................51

List of Figures Intel® Server System SR2500AL
Revision – 1.6
Intel order number D31980-009
viii
Figure 35. Hot-swap SAS/SATA Backplane (Front Side View) ..................................................53
Figure 36. Hot-swap SAS/SATA Backplane (Back Side View)...................................................54
Figure 37. SAS/SATA Backplane Functional Block Diagram .....................................................55
Figure 38. Standard Control Panel Assembly Module................................................................57
Figure 39. Control Panel Buttons................................................................................................57
Figure 40. Control Panel LEDs...................................................................................................58
Figure 41. Standard Control Panel PCB.....................................................................................63
Figure 42. Intel®Local Control Panel Assembly Module.............................................................65
Figure 43. Intel®Local Control Panel Overview..........................................................................65
Figure 44. Low Profile PCIe* Riser.............................................................................................71
Figure 45. Low Profile Passive PCI Express* Riser Card...........................................................73
Figure 46. Full Height PCI Express* Riser Card.........................................................................74
Figure 47. Full Height Passive PCI-X* Riser Card......................................................................75
Figure 48. Full Height Active PCI-X* Riser Card.........................................................................76
Figure 49. Intel®Server Board S5000PAL..................................................................................78
Figure 50. Intel®Server Board S5000PAL Components.............................................................79
Figure 51. Diagnostic LED Placement Diagram .........................................................................92

Intel® Server System SR2500AL List of Tables
Revision – 1.6
Intel order number D31980-009 ix
List of Tables
Table 1. Chassis Dimensions .......................................................................................................2
Table 2. Power Harness Cable Definitions.................................................................................13
Table 3. P1 Main Power Connector............................................................................................14
Table 4. P2 Processor Power Connector....................................................................................14
Table 5. P3 Power Signal Connector..........................................................................................15
Table 6. P4 Hot Swap Backplane Power Connector ..................................................................15
Table 7. P5 Mid-plane Power Connector...................................................................................15
Table 8. Efficiency......................................................................................................................16
Table 9. AC Input Rating.............................................................................................................16
Table 10. Over-Current Protection Limits / 240VA Protection ....................................................17
Table 11. Over-Voltage Protection (OVP) Limits ........................................................................18
Table 12. LED Indicators ............................................................................................................19
Table 13 Nonredundant Cooling Zones.....................................................................................21
Table 14. Non-redundant Fan Connector Pin Assingment........................................................22
Table 15. Nonredundant Fan Header Assignment ....................................................................23
Table 16 Redundant Cooling Zones..........................................................................................23
Table 17 Redundant Fan Connector Pin Assingment................................................................24
Table 18 Redundant Fan Header Assignment...........................................................................25
Table 19. 120-pin Server Board-to-Mid-plane Bridge Board Connector Pin-out.........................29
Table 20. Mid-plane Fan Header Pin-outs..................................................................................31
Table 21. Mid-plane Power Connector Pin-out...........................................................................31
Table 22. Mid-plane-to-Backplane Card Edge Connector #1 Pin-out.........................................32
Table 23. Mid-plane-to-Backplane Card Edge Connector #2 Pin-out.........................................33
Table 24. Active Mid-plane SAS RAID Battery Backup Connector Pin-out ................................34
Table 25. Passive Mid-plane SATA/SAS Connector Pin-outs ....................................................34
Table 26. 2x4 SAS/SATA Backplane Power Connector Pin-out (J7L2) .....................................38
Table 27. 1x7 6th HDD / Tape Drive Option Power Connector Pin-out (J2M1)..........................38
Table 28. 6th HDD Option SATA/SAS I/O Connector Pin-out (J4L1).........................................38
Table 29. 2x22 Slim-Line IDE Optical Drive Connector Pin-out (J5N1)......................................38
Table 30. Slim-Line Optical Drive Slot Connector (J1A1)...........................................................39
Table 31. IDE Device Master/Slave Configuration Jumper (J6L1) .............................................39
Table 32. I2C Connector (J6L3)..................................................................................................40
Table 33. PCIe X4 Slot Connector from Mid-plane (J4N1).........................................................40
Table 34. PCIe* X4 Slot Connector from Mid-plane (J6N1)........................................................41
Table 35. USB Floppy Drive Connector (J2A1) ..........................................................................41

List of Tables Intel® Server System SR2500AL
Revision – 1.6
Intel order number D31980-009
x
Table 36. Intel®Local Control Panel (LCP) Connector (J9A1)...................................................42
Table 37. Control Panel Slot Connector (J9B1)..........................................................................42
Table 38. SAS/SATA Hard Drive Connector Pin-outs (J2C3, J2B1, J4C1, J4B1, J7C1)............43
Table 39. J1L1 50-pin Connector to Slimline Optical Device......................................................45
Table 40. Hard Drive LED Function Definitions..........................................................................56
Table 41. Hard Drive Activity LED Functionality.........................................................................56
Table 42. Control Button and Intrusion Switch Functions...........................................................58
Table 43. Control Panel LED Functions......................................................................................59
Table 44. SSI Power LED Operation..........................................................................................60
Table 45. Control Panel LED Operation .....................................................................................60
Table 46. External USB Connectors (J1B1) ...............................................................................62
Table 47. Video Connector (J1A1)..............................................................................................62
Table 48. 64-pin Control Panel Connector (J6B1)......................................................................64
Table 49. Control Panel LED Functions......................................................................................66
Table 50. SSI Power LED Operation..........................................................................................67
Table 51. Control Panel LED Operation .....................................................................................67
Table 52. 50-pin Control Panel Connector..................................................................................69
Table 53. Internal USB Header...................................................................................................70
Table 54. System Environmental Limits Summary .....................................................................80
Table 55. Product Safety & Electromagnetic (EMC) Compliance...............................................83
Table 56: POST Progress Code LED Example ..........................................................................92
Table 57. Diagnostic LED POST Code Decoder........................................................................93
Table 58. POST Error Beep Codes ............................................................................................96
Table 59. BMC Beep Codes.......................................................................................................96

Intel® Server System SR2500AL List of Tables
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Intel order number D31980-009 xi
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Intel® Server System SR2500AL 0BProduct Overview
Revision – 1.6
Intel order number D31980-009 1
1. Product Overview
The Intel®Server Chassis SR2500 is a 2U server chassis that is designed to support the Intel®
Server Board S5000PAL. The server board and the chassis have features that are designed to
support the high-density server market. This chapter provides a high-level overview of the
chassis features. Greater detail for each major chassis component or feature is provided in the
following chapters.
The chassis differs from previous generation products in that the majority of cables have been
removed from the system and in their place are a series of board-to-board interconnects. The
benefits of using board-to-board interconnects are simplification of platform integration and
improved airflow for more reliable cooling.
A second significant change from the previous generation is the introduction of the mid-plane
circuit board. There are two options for the mid-plane circuit board: the first option provides
SAS RAID support. The second option is a passive SATA/SAS mid-plane that can be used with
either the SATA only connectors from the server board, or SATA/SAS connectors from an add-
in card.
1.1 Chassis Views
TP02091
Figure 1. Front View with Optional Bezel
TP02092
Figure 2. Front View without Bezel (Shown with Standard Control Panel Option)
TP02093
Figure 3. Back View – (Shown with 1+1 Power Supply Configuration)

0BProduct Overview Intel® Server System SR2500AL
Revision – 1.6
Intel order number D31980-009
2
1.2 Chassis Dimensions
Table 1. Chassis Dimensions
Height 87.30 mm 3.44”
Width without rails 430 mm 16.93”
Width with rails 451.3 mm 17.77”
Depth without CMA 704.8 mm 27.75”
Depth with CMA 838.2 mm 33.0”
Max. Weight 29.5 kg 65 lbs
1.3 System Components
TP02094
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Figure 4. Major Chassis Components
A. Rack Handles H. CPU Air Duct
B. SAS/SATA Backplane I. System Fan Assembly
C. Air Baffles J. Standard Control Panel
D. Power Distribution Module K. Flex Bay – 6th HDD or Tape (Optional)
E. Power Supply Modules L. Hard Drive Bays
F. Riser Card Assembly M. Slim-Line Optical Drive Bay
G. System Memory N. Front Bezel (Optional)

Intel® Server System SR2500AL 0BProduct Overview
Revision – 1.6
Intel order number D31980-009 3
The I/O connector locations on the back of the chassis are pre-cut, so the use of an I/O shield is
not required. The supplied EMI gasket must be installed to maintain Electromagnetic
Interference (EMI) compliance levels.
TP02095
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Figure 5. Back Panel Feature Overview
A. Low Profile PCIe* Add-in Card Slots I. USB 6
B. Full Height PCI Add-in Card Slots J. USB 5
C. Upper Power Supply Module K. Video
D. Upper Power Receptacle L. DB-9 Serial A Connector
E. Lower Power Receptacle M. NIC 2
F. Lower Power supply Module N. NIC 1
G. Intel®Remote Management Module NIC (Optional) O. RJ45 Serial B Connector
H. Intel®I/O Expansion Module (Optional) P. PS2* Keyboard and Mouse
Connectors
1.4 System Boards
The complete system includes the use of several system boards which are used as internal
interconnects and provide feature accessibility. The following provides a brief description for
each.
•Bridge Board – PCB used to route signals from the server board to the mid-plane and
control panel boards.
•Mid-plane – A PCB used to determine the desired hard drive interface for the system.
Two mid-plane options are available for this system:
oActive SAS/SAS RAID – cable less solution with onboard SAS controller
oPassive SATA – cabled to SATA ports on the server board or from add-in
adapter.
•Backplane – Hot swap backplane capable of supporting both SATA and SAS hard
drives.
•Riser Cards – PCI riser cards used to provide up to five add-in card slots to the system.
Available riser card options for this system include:
oLow profile, two slot PCI Express*
oFull height, three slot PCI-X* (passive)
oFull height, three slot PCI-X (active) with onboard PXH PCI bridge chip
oFull height, two PCI Express slots + one PCI-X slot

0BProduct Overview Intel® Server System SR2500AL
Revision – 1.6
Intel order number D31980-009
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•Optical Drive Interposer Card – Used to interface optical drive with 44-pin IDE cable as
cabled from the server board.
•Control Panel – A PCB providing system status and control functionality features. Two
control panel options are available for this system
oStandard Control Panel
oIntel®Local Control Panel with LCD support
•RAID Activation Keys – The system provides different RAID options depending on the
mid-plane option selected. Two RAID Activation Keys are available for this system
oHardware RAID Activation Key – Used on the Active SAS/SAS RAID Mid-plane
to enable hardware RAID support.
oSoftware SATA RAID 5 Activation Key – This RAID key plugs into a connector on
the server board. It is used to enable the software SATA RAID 5 functionality of
the Intel®6321ESB I/O Controller Hub SATA ports of the server board when
cabled to the passive mid-plane.
1.5 Control Panel Options
The chassis can support either of two control panels: a Standard Control Panel and an Intel®
Local Control Panel with LCD support. The control panel assemblies are pre-assembled and
modular in design. The entire module assembly slides into a predefined slot in the front of the
chassis.
TP02097
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Figure 6. Control Panel Modules

Intel® Server System SR2500AL 0BProduct Overview
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Intel order number D31980-009 5
The standard control panel supports several push buttons and status LEDs, along with USB and
video ports to centralize system control, monitoring, and accessibility. The following diagram
overviews the layout and functions of the control panel.
TP02098
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Figure 7. Standard Control Panel Overview
A. NIC #2 Activity LED G. System Identification LED
B. NIC #1 Activity LED H. System Identification Button
C. Power / Sleep Button I. System Reset Button
D. Power / Sleep LED J. USB 2.0 Connector
E. Hard Drive Activity LED K. Recessed NMI Button (Tool Required)
F. System Status LED L. Video Connector

0BProduct Overview Intel® Server System SR2500AL
Revision – 1.6
Intel order number D31980-009
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The Intel®Local Control Panel utilizes a combination of control buttons, LEDs, and an LCD
display to provide system accessibility, monitoring, and control functions. The following diagram
provides an overview of this control panel.
TP02099
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Figure 8. LCD Control Panel Overview
A USB 2.0 Port I Power/Sleep Button
B LCD Display J System Status LED
C Menu Control Button, Scroll up K NIC 2 Activity LED
D Menu Control Button, Scroll down L NIC 1 Activity LED
E Menu Control Button, Scroll left M Hard Disk Drive Activity LED
F Menu Control Button, Enter N Reset Button
G System Identification LED O USB 2.0 Port
H Power/Sleep LED

Intel® Server System SR2500AL 0BProduct Overview
Revision – 1.6
Intel order number D31980-009 7
1.6 Hard Drive and Peripheral Bays
The chassis is designed to support several different hard drive and peripheral configurations.
The system includes a hot swap backplane capable of supporting either SAS or SATA drives.
The sixth bay (see letter “B” in the figure below) can optionally be configured to support a sixth
hard drive or 3.5” tape drive.
TP02096
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Figure 9. Front Panel Feature Overview
A. Slimline Optical Drive Bay
B. 6th HDD Drive or Tape Drive Bay (Optional)
C. System Control Panel
D. 3.5” Hard Drive Bays (5)
1.7 Power Sub-system
The power subsystem of the chassis consists of an integrated power distribution board and
module enclosure which is capable of housing up to two 750 Watt power supply modules
supporting 1+0 or redundant 1+1 power configurations. In a 1+1 redundant configuration, each
power supply module is hot-swappable should one fail.
The power sub-system has several integrated management features including:
•Status LED on each power module
•Over-temperature protection circuitry
•Over-voltage protection circuitry
With the addition of server management software, the power subsystem is capable of
supporting several system management features including:
•Remote Power On/Off
•Status Alerting
•FRU Information Reporting

0BProduct Overview Intel® Server System SR2500AL
Revision – 1.6
Intel order number D31980-009
8
Each power supply module operates within the following voltage ranges and ratings:
PARAMETER MIN RATED MAX Start-up Vac Power Off
Vac
Max Input
AC Current
Max Rated
Input AC
Current
Line Voltage
(110) 90Vrms 100-127 Vrms 140Vrms 85Vac
±4Vac 75Vac ±5Vac 12 Arms1,3 11.0Arms 4
Line Voltage
(220) 180Vrms 200-240 Vrms 264Vrms - - 6.0 Arms2,3 5.5Arms 4
Frequency 47 Hz 50/60Hz 63 Hz
1 Maximum input current at low input voltage range shall be measured at 90Vac, at max load.
2 Maximum input current at high input voltage range shall be measured at 180VAC, at max load.
3 This is not to be used for determining agency input current markings.
4 Maximum rated input current is measured at 100VAC and 200VAC.
1.8 System Cooling
The chassis is offered with two system cooling options. The first option is a three fan solution
providing sufficient airflow to maintain internal system thermal requirements when the external
ambient temperature remains within specified limits. The second option is a 5+1 fan
configuration. Refer to section 3.2 for details. Should a single fan failure occur, this option
provides support for hot-swap fans and fan redundancy.
In addition to the system fan options, each power supply module installed provides two
additional non-redundant fans which pull air from inside the chassis out the back.
1.9 Chassis Security
The chassis provides support for a lockable front bezel which prevents unauthorized access to
the system control buttons and hard drives. In addition, a chassis intrusion switch is provided
allowing server management software to monitor removal of the top cover from the chassis.
1.10 Rack and Cabinet Mounting Options
The chassis was designed to support 19” wide by up to 30” deep server cabinets. The chassis
supports three rack mount options:
oA fixed mount relay rack / cabinet mount kit (Product order code - AXXBRACKETS ) which
can be configured to mount the system into either a 2-post rack or 4-post cabinet
oA tool-less full extracting slide rail kit (Product order code – AXXHERAIL) designed to
support an optional cable management arm (Product order code – AXXRACKCARM).
oA basic slide rail kit (Product order code – AXXBASICRAIL) designed to mount the chassis
into a standard (19” by up to 30” deep) EIA-310D compatible server cabinet.