Intel D845GBV Technical Product Specification for Intel Desktop Boards using t - Page 31

CNR

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Product Description 1.10.3 LAN Subsystem Software LAN software and drivers are available from Intel's World Wide Web site. For information about Obtaining LAN software and drivers Refer to Section 1.2, page 12 1.11 CNR The CNR connector provides an interface that supports the audio, modem, and LAN interfaces of the Intel 845G chipset14. The interfaces supported by the CNR include the following: • AC '97 interface: supports audio and/or modem functions on the CNR card. • LAN interfaces: supports Platform LAN Connection (PLC) based devices through an eight- pin interface • SMBus interface: provides Plug-and-Play functionality for the CNR card. The CNR connector includes power signals required for power management and for CNR card operation. To learn more about the CNR, refer to the CNR specification. The onboard two-channel audio subsystem can be upgraded to four- or six-channel audio using a CNR audio upgrade card in a slave configuration. CNR audio upgrade cards are available in multiple configurations from several vendors supporting analog or S/P-DIF digital connections. For information about CNR audio upgrade cards Refer to http://developer.intel.com/technology/cnr/ # INTEGRATOR'S NOTES • If you install a CNR card that cannot support a multichannel audio upgrade, the Desktop Boards' integrated audio codec will be disabled. This only applies to Desktop Boards that have both the onboard audio subsystem and a CNR connected. • The brand and type of audio codec used on the CNR card must match that of the Desktop Boards' codec (Analog Devices AD1981A). • Check with your CNR vendor to ensure that the CNR card has been tested with ICH4based systems. • There is no USB interface routed to the CNR connector. For information about Obtaining the CNR specification Refer to Section 1.4, page 13 14 The CNR connector and the LAN subsystem are mutually exclusive features. Contact your Intel sales representative to determine which of these features is present on your Intel Desktop Board. 31

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Product Description
31
1.10.3
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 12
1.11 CNR
The CNR connector provides an interface that supports the audio, modem, and LAN interfaces of
the Intel 845G chipset
14
.
The interfaces supported by the CNR include the following:
•
AC
’
97 interface:
supports audio and/or modem functions on the CNR card.
•
LAN interfaces:
supports Platform LAN Connection (PLC) based devices through an eight-
pin interface
•
SMBus interface:
provides Plug-and-Play functionality for the CNR card.
The CNR connector includes power signals required for power management and for CNR card
operation.
To learn more about the CNR, refer to the CNR specification.
The onboard two-channel audio subsystem can be upgraded to four- or six-channel audio using a
CNR audio upgrade card in a slave configuration.
CNR audio upgrade cards are available in
multiple configurations from several vendors supporting analog or S/P-DIF digital connections.
For information about
Refer to
CNR audio upgrade cards
#
INTEGRATOR
’
S NOTES
•
If you install a CNR card that cannot support a multichannel audio upgrade, the Desktop
Boards
’
integrated audio codec will be disabled.
This only applies to Desktop Boards that
have both the onboard audio subsystem and a CNR connected.
•
The brand and type of audio codec used on the CNR card must match that of the Desktop
Boards
’
codec (Analog Devices AD1981A).
•
Check with your CNR vendor to ensure that the CNR card has been tested with ICH4-
based systems.
•
There is no USB interface routed to the CNR connector.
For information about
Refer to
Obtaining the CNR specification
Section 1.4, page 13
14
The CNR connector and the LAN subsystem are mutually exclusive features.
Contact your Intel sales
representative to determine which of these features is present on your Intel Desktop Board.