Intel D845GRG Technical Product Specification for Intel Desktop Boards using t - Page 32

Hardware Management Subsystem

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Technical Product Specification for Intel Desktop Boards using the Intel 845G Chipset 1.12 Hardware Management Subsystem The hardware management features enable the boards to be compatible with the Wired for Management (WfM) specification. The board has several hardware management features, including the following: • Fan monitoring and control (through the I/O controller or the Hardware monitoring and fan control ASIC) • Thermal and voltage monitoring • Chassis intrusion detection For information about The WfM specification Refer to Section 1.4, page 13 1.12.1 Hardware Monitoring ASICs The Desktop Boards provide one of the following15: • A hardware monitoring ASIC • A hardware monitoring and fan control ASIC The features of these components are described in this section. 1.12.1.1 Hardware Monitoring ASIC The features of the hardware monitoring ASIC (Analog Devices ADM1025, Philips Semiconductor NE1619, or equivalent) include: • Internal ambient temperature sensor • Remote thermal diode sensor for direct monitoring of processor temperature • Power supply monitoring of four voltages (+5 V, +3.3 V, +2.5 V, and +VCCP1) to detect levels above or below acceptable values • SMBus interface For information about The Analog Devices ADM1025 The Philips Semiconductor NE1619 Refer to http://www.analogdevices.com http://www.philipssemiconductor.com 15 Contact your Intel sales representative to determine which type of hardware monitoring ASIC is present on your Intel Desktop Board. 32

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Technical Product Specification for Intel Desktop Boards using the Intel 845G Chipset
32
1.12 Hardware Management Subsystem
The hardware management features enable the boards to be compatible with the Wired for
Management (WfM) specification.
The board has several hardware management features,
including the following:
•
Fan monitoring and control (through the I/O controller or the Hardware monitoring and fan
control ASIC)
•
Thermal and voltage monitoring
•
Chassis intrusion detection
For information about
Refer to
The WfM specification
Section 1.4, page 13
1.12.1
Hardware Monitoring ASICs
The Desktop Boards provide one of the following
15
:
•
A hardware monitoring ASIC
•
A hardware monitoring and fan control ASIC
The features of these components are described in this section.
1.12.1.1
Hardware Monitoring ASIC
The features of the hardware monitoring ASIC (Analog Devices ADM1025, Philips
Semiconductor NE1619, or equivalent) include:
•
Internal ambient temperature sensor
•
Remote thermal diode sensor for direct monitoring of processor temperature
•
Power supply monitoring of four voltages (+5 V, +3.3 V, +2.5 V, and +VCCP1) to detect
levels above or below acceptable values
•
SMBus interface
For information about
Refer to
The Analog Devices ADM1025
The Philips Semiconductor NE1619
15
Contact your Intel sales representative to determine which type of hardware monitoring ASIC is present on
your Intel Desktop Board.