Datasheet

Intel Desktop Board D845GEBV2/D845GERG2 Technical Product Specification
40
Table 12. 10/100 Ethernet LAN Connector LED States
LED Color LED State Condition
Off 10 Mbit/sec data rate is selected. Green
On 100 Mbit/sec data rate is selected.
Off LAN link is not established.
On (steady state) LAN link is established.
Yellow
On (brighter and pulsing) The computer is communicating with another computer on
the LAN.
Table 13 describes the LED states when the Desktop Board is powered up and the 10/100/1000
LAN subsystem is operating.
Table 13. 10/100/1000 Ethernet LAN Connector LED States
LED Color LED State Condition
Off 10 Mbit/sec data rate is selected.
Green 100 Mbit/sec data rate is selected.
Green/Yellow
Yellow 1 Gbit/sec data rate is selected.
Off LAN link is not established.
On (steady state) LAN link is established.
Yellow
On (brighter and
pulsing)
The computer is communicating with another computer on
the LAN.
1.11.4 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 1.3, page 19
1.12 CNR (Optional)
The Communication and Networking Riser (CNR) connector provides an interface that supports
the audio, modem, and LAN interfaces of the Intel 845GE chipset. Figure 9 shows the signal
interface between the riser and the ICH4.
Intel 82801DB
I/O Controller Hub
(ICH4)
Communication and
Networking Riser
(Up to two AC ’97 codecs
and one LAN device)
CNR Connector
AC ’97 Interface
LAN Interface
SMBus
OM14262
Figure 9. ICH4 and CNR Signal Interface