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Intel Desktop Board D845HV/D845WN Technical Product Specification

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NOTE

If you install a CNR card that cannot support a multichannel audio upgrade, the D845HV and

D845WN boards’ integrated audio codec will be disabled. This only applies to D845HV and

D845WN boards that have both the onboard audio subsystem and a CNR.

✏

NOTE

The brand and type of audio codec used on the CNR card must match that of the

D845HV/D845WN boards’ codec (Analog Devices AD1885).

For information about Refer to

Obtaining the CNR specification Section 1.5, page 18

1.13 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

• Thermal and voltage monitoring

• Chassis intrusion detection

For information about Refer to

The WfM specification Section 1.5, page 18

1.13.1 Hardware Monitor Component (Optional)

The hardware monitor component provides low-cost instrumentation capabilities. The features of

the component include:

• Internal ambient temperature sensing

• Remote thermal diode sensing for direct monitoring of processor temperature

• Power supply monitoring (+5 V, +3.3 V, +1.5 V, 3.3 VSB, Vccp) to detect levels above or

below acceptable values

• SMBus interface

1.13.2 Fan Monitoring

The SMSC LPC47M142 I/O controller provides two fan tachometer inputs. Monitoring can be

implemented using third-party software.

For information about Refer to

The functions of the fan connectors Section 1.14.2.2, page 42

The location of the fan connectors Figure 12, page 60

The signal names of the fan connectors Section 2.8.2.2, page 58

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