Intel D845PEBT2 Product Specification - Page 34
CNR Optional
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Intel Desktop Board D845PEBT2 Technical Product Specification 1.13.3 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 16 1.14 CNR (Optional) The Communication and Networking Riser (CNR) supports: • AC '97 interface: Supports audio and/or modem functions on the CNR card. • 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. ✏ NOTE The Desktop Board D845PEBT2 does not support USB and LAN functionality on CNR cards. Figure 8 shows the signal interface between the ICH4 and the CNR. CNR Connector Intel 82801DB I/O Controller Hub (ICH4) AC '97 Interface SMBus Communication and Networking Riser (Up to two AC '97 codecs) For information about CNR specification Figure 8. ICH4 and CNR Signal Interface OM14466 Refer to Section 1.4, page 17 34
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