Intel Desktop Board D915GLVG Technical Product Specification
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Table 5 describes the LED states when the board is powered up and the 10/100 Mbits/sec LAN
subsystem is operating.
Table 5. LAN Connector LED States
LED Color LED State Condition
Off LAN link is not established.
On LAN link is established.
Green
Blinking LAN activity is occurring.
Off 10 Mbits/sec data rate is selected Yellow
On 100 Mbits/sec data rate is selected
1.9.2 LAN Subsystem Software
LAN software and drivers are available from Intel’s World Wide Web site.
For information about Refer to
Obtaining LAN software and drivers Section 1.2, page 15
1.10 Hardware Management Subsystem
The hardware management features enable the Desktop Boards to be compatible with the Wired for
Management (WfM) specification. The Desktop Board has several hardware management features,
including the following:
• Fan monitoring and control (through the hardware monitoring and fan control ASIC)
• Thermal and voltage monitoring
• Chassis intrusion detection
1.10.1 Hardware Monitoring and Fan Control ASIC
The features of the hardware monitoring and fan control ASIC include:
• Internal ambient temperature sensor
• Two remote thermal diode sensors for direct monitoring of processor temperature and ambient
temperature sensing
• Power supply monitoring of five voltages (+5 V, +12 V, +3.3 VSB, +1.5 V, and +VCCP) to
detect levels above or below acceptable values
• Thermally monitored closed-loop fan control, for all three fans, that can adjust the fan speed or
switch the fans on or off as needed
• SMBus interface
For information about Refer to
The location of the fan connectors and sensors for thermal monitoring Figure 12, page 31
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