Supermicro X8DTU-6TF+ User Manual Page 92
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X8DTU-6F+/X8DTU-6TF+/X8DTU-6(T)F+-LR Motherboard User’s Manual
CPU Overheat Alarm
This option allows the user to select the CPU Overheat Alarm setting which de-
termines when the CPU OH alarm will be activated to provide warning of possible
CPU overheat.
Warning! 1.Any temperature that exceeds the CPU threshold tempera-
ture predefi ned by the CPU manufacturer may result in CPU overheat or
system instability. When the CPU temperature reaches this predefi ned
threshold, the CPU and system cooling fans will run at full speed. 2. To
avoid possible system overheating, please be sure to provide adequate
airfl ow to your system.
The options are:
The Early Alarm: Select this setting if you want the CPU overheat alarm (includ-
•
ing the LED and the buzzer) to be triggered as soon as the CPU temperature
reaches the CPU overheat threshold as predefi ned by the CPU manufacturer.
The Default Alarm
• : Select this setting if you want the CPU overheat alarm
(including the LED and the buzzer) to be triggered when the CPU temperature
reaches about 5
o
C above the threshold temperature as predefi ned by the CPU
manufacturer to give the CPU and system fans additional time needed for CPU
and system cooling. In both the alarms above, please take immediate action
as shown below.
CPU 1 Temperature/CPU 2 Temperature/System Temperature
This feature displays current temperature readings for the CPU and the System.
The following items will be displayed for your reference only:
CPU1 Temperature/CPU2 Temperature
The CPU thermal technology that reports absolute temperatures (Celsius/Fahr-
enheit) has been upgraded to a more advanced feature by Intel in its newer
processors. The basic concept is each CPU is embedded by unique temperature
information that the motherboard can read. This ‘Temperature Threshold’ or ‘Tem-
perature Tolerance’ has been assigned at the factory and is the baseline on which
the motherboard takes action during different CPU temperature conditions (i.e., by
increasing CPU Fan speed, triggering the Overheat Alarm, etc). Since CPUs can
have different ‘Temperature Tolerances’, the installed CPU can now send informa-
tion to the motherboard what its ‘Temperature Tolerance’ is, and not the other way
around. This results in better CPU thermal management.
Supermicro has leveraged this feature by assigning a temperature status to certain
thermal conditions in the processor (Low, Medium and High). This makes it easier
for the user to understand the CPU’s temperature status, rather than by just simply
- X8DTU-6F+ 1
- X8DTU-6TF+ 1
- X8DTU-6F+-LR 1
- X8DTU-6TF+-LR 1
- About This Motherboard 3
- Manual Organization 3
- Contacting Supermicro 5
- Table of Contents 6
- Chapter 4 Troubleshooting 8
- Chapter 5 BIOS 8
- Chapter 1 9
- Quick Installation Guide 9
- Chapter 2 13
- Overview 13
- Motherboard Features 19
- System Block Diagram 22
- 2-2 Chipset Overview 23
- 2-3 Special Features 24
- 2-4 PC Health Monitoring 24
- 2-5 ACPI Features 25
- 2-6 Power Supply 25
- 2-8 Super I/O 26
- Chapter 3 27
- Installation 27
- Removing the Passive Heatsink 31
- Installing an Active Heatsink 32
- Removing the Active Heatsink 33
- Removing Memory Modules 34
- Memory Support 35
- Installed 36
- 1.35V DIMMs 37
- Installing the Motherboard 40
- 3. IPMI-Dedicated LAN 45
- 1. Rear UID Switch 46
- 2. Rear UID LED (LED 2) 46
- 3. FP UID Switch 46
- 4. FP UID LED 46
- B. PWR LED 48
- A. HDD LED 49
- B. FP UID Switch 49
- C. NIC1 Link LED 49
- D. NIC1 Activity LED 49
- A. NIC 2 Link LED 50
- B. NIC 2 Activity LED 50
- D. UID LED (Blue) 50
- A. PWR Fail LED 51
- B. Reset Button 51
- A. PWR Button 52
- 3-6 Connecting Cables 53
- A. Internal Speaker (Buzzer) 55
- A. DOM PWR 56
- B. Overheat LED 56
- A. T-SGPIO-1 57
- B. T-SGPIO-2 57
- C. PWR SMB 57
- A. UIO Power Connector 58
- B. SAS Battery-Backup Unit 58
- A. TPM Connector 59
- 3-7 Jumper Settings 60
- A. Clear CMOS 61
- B. Watch Dog Enable 61
- A. SAS Enable 63
- 3-8 Onboard LED Indicators 64
- A. UID LED 66
- B. BMC Heartbeat LED 66
- State Defi nition 66
- Blinking BMC: Normal 66
- LED Status 67
- SAS Error LED 67
- Connections 68
- Chapter 4 69
- Troubleshooting 69
- No Video 70
- System Boot Failure 70
- Memory Errors 71
- Chapter 5 75
- 5-2 Main Setup 76
- Boot Features 78
- Processor and Clock Options 79
- Advanced Chipset Control 82
- QPI and IMC Confi guration 82
- South Bridge Confi guration 85
- IDE/SATA Confi guration 86
- PCI/PnP Confi guration 89
- Remote Access Confi guration 90
- Hardware Health Monitor 91
- ACPI Confi guration 94
- Intel TXT(LT) Confi guration 95
- Trusted Computing (Optional) 96
- IPMI Confi guration 97
- View BMC System Event Log 97
- Set LAN Confi guration 98
- Event Log Confi guration 99
- 5-4 Security Settings 100
- 5-5 Boot Confi guration 101
- 5-6 Exit Options 102
- Motherboard User’s Manual 104
- BIOS Error Beep Codes 105
- Appendix A 105
- Appendix B 107
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