Intel S5500HCVR Datasheet Page 77
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Intel® Server Boards S5520HC and S5500HCV TPS Platform Management
Revision 1.2
Intel order number E39529-009
63
BIOS fails to get the Thermal SDRs, then it uses the Memory Reference Code (MRC) default
settings for the memory throttling settings.
The <F2> BIOS Setup Utility provides options to set the fan profile or operating mode the
platform will operate under. Each operating mode has a predefined profile for which specific
platform targets are configured, which in turn determines how the system fans operate to meet
those targets. Platform profile targets are determined by which type of platform is selected when
running the FRUSDR utility and by the BIOS settings configured using the <F2> BIOS Setup.
4.3.2.2.1 Fan Domains
System fan speeds are controlled through pulse width modulation (PWM) signals, which are
driven separately for each domain by integrated PWM hardware. Fan speed is changed by
adjusting the duty-cycle, which is the percentage of time the signal is driven high in each pulse.
Refer to Appendix D for system specific fan domains.
Table 17. S5520HC and S5500HCV Fan Domain Table
Fan Domain Onboard Fan Header
Fan Domain 0 CPU 1 Fan, CPU 2 Fan
Fan Domain 1 System Fan 5
Fan Domain 2 System Fan 1, System Fan 2
Fan Domain 3 System Fan 3, System Fan 4
4.3.2.3 Configuring the Fan Profile Using the BIOS Setup Utility
The BIOS uses options set in the <F2> BIOS Setup Utility to determine what fan profile the
system should operate under. These options include “THROTTLING MODE”, “ALTITUDE”, and
“SET FAN PROFILE”. Refer to “Section 5.3.2.2.7 System Acoustic and Performance
Configuration” for details of the BIOS options.
The “ALTITUDE” option is used to determine appropriate memory performance settings based
on the different cooling capability at different altitudes. At high altitude, memory performance
must be reduced to compensate for thinner air. Be advised, selecting an Altitude option to a
setting that does not meet the operating altitude of the server may limit the system fans’ ability
to provide adequate cooling to the memory. If the air flow is not sufficient to meet the needs of
the server even after throttling has occurred, the system may shut down due to excessive
platform thermals.
By default, the Altitude option is set to 301 m – 900 m which is believed to cover the majority of
the operating altitudes for these server platforms.
You can set the “SET FAN PROFILE” option to either the Performance mode (Default) or
Acoustics mode. Refer to the following sections for details describing the differences between
each mode. Changing the fan profile to Acoustics mode may affect system performance. The
“SET FAN PROFILE” BIOS option is hidden when CLTT is selected as the THROTTLING
MODE option.
- Server Boards S5520HC and 1
- S5500HCV 1
- Revision History 2
- Disclaimers 3
- Table of Contents 4
- List of Figures 9
- Revision 1.2 10
- List of Tables 11
- 1. Introduction 15
- 2. Overview 16
- Server Board Layout 19
- 3. Functional Architecture 31
- 3.1 Intel 34
- 5520 and 5500 I/O Hub (IOH) 34
- 3.1.5 Controller Link (CL) 35
- 3.2 Processor Support 36
- Revision 1.2 38
- 3.3 Memory Subsystem 40
- 3.3.2 Supported Memory 42
- Configuration 43
- 3.3.5 Memory Interleaving 46
- 3.3.6 Memory Test 47
- 3.3.7 Memory Scrub Engine 47
- 3.3.8 Memory RAS 47
- 3.4 ICH10R 53
- 3.4.2 USB 2.0 Support 56
- 3.5 PCI Subsystem 57
- 3.6 Intel 60
- Accessory) 60
- 3.6.1 SAS RAID Support 61
- 3.8 Serial Ports 65
- 3.9 Floppy Disk Controller 65
- 3.11 Video Support 65
- 3.11.1 Video Modes 66
- 3.11.2 Dual Video 66
- 3.13 ACPI Support 68
- 3.14 Intel 68
- Virtualization Technology 68
- 3.15 Intel 68
- I/O Acceleration Technology 68
- 4. Platform Management 69
- 4.2.3 Media Redirection 72
- 4.2.5 Embedded Web server 74
- 4.3 Platform Control 75
- 4.3.2 Fan Speed Control 76
- Fan Domain 1 System Fan 5 77
- 4.4 Intel 79
- 5. BIOS Setup Utility 81
- 5.3.1 Operation 82
- 5.3.2.1 Main Screen 85
- 5.3.2.2.2 Memory Screen 91
- 5.3.2.2.6 PCI Screen 99
- Revision 1.2 103
- Redirection 105
- Information 107
- 6.2 Power Connectors 120
- 6.3.2 LCP / IPMB Header 122
- 6.3.1 Intel 122
- 6.4 Front Panel Connector 123
- 6.5 I/O Connectors 124
- 6.5.3 SATA Connectors 126
- 6.5.4 SAS Module Slot 126
- 6.5.5 Serial Port Connectors 127
- 6.5.6 USB Connector 127
- 6.6 Fan Headers 129
- 7. Jumper Blocks 131
- 7.1.1 Clearing the CMOS 132
- 7.1.2 Clearing the Password 132
- 7.3 BIOS Recovery Jumper 133
- 8. Intel 135
- Light Guided Diagnostics 135
- 8.2 Fan Fault LED’s 136
- A. System ID LED 137
- B. System Status LED 137
- 8.4 DIMM Fault LEDs 139
- 9.1 Intel 141
- Specifications 141
- 9.2 MTBF 141
- Table 71. MTBF Estimate 142
- 9.4.1 Grounding 145
- 9.4.2 Stand-by Outputs 145
- 9.4.3 Remote Sense 145
- 9.4.4 Voltage Regulation 146
- 9.4.5 Dynamic Loading 146
- 9.4.6 Capacitive Loading 147
- 9.4.7 Ripple / Noise 147
- 9.4.8 Timing Requirements 147
- FCC (USA) 153
- ICES-003 (Canada) 155
- VCCI (Japan) 155
- BSMI (Taiwan) 155
- RRL KCC (Korea) 156
- CNCA (CCC-China) 156
- 10.7 CA Perchlorate Warning 159
- Appendix B: Compatible Intel 162
- Server Chassis 162
- POST Error Beep Codes 185
- Glossary 188
- Reference Documents 192
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