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Intel D845GEBV2 BLKD845GEBV2L-10PK User Manual

Product codes
BLKD845GEBV2L-10PK
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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 Connec
to
r
AC ’97 Interface
LAN Interface
SMBus
OM14262
 
Figure 9.  ICH4 and CNR Signal Interface