Hardware Management Subsystem; Hardware Monitoring Asics - Intel D845GRG Using Manual

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

1.12.1 Hardware Monitoring ASICs

The Desktop Boards provide one of the following
•
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
15
Contact your Intel sales representative to determine which type of hardware monitoring ASIC is present on
your Intel Desktop Board.
32
15
:
Refer to
http://www.analogdevices.com
http://www.philipssemiconductor.com
Refer to
Section 1.4, page 13