Intel Desktop Board D945GRW BLKD945GRWLK User Manual

Product codes
BLKD945GRWLK
Page of 90
Product Description 
 33 
1.11 LAN Subsystem 
The LAN subsystem includes the Intel
®
 82573 Gigabit (10/100/1000 Mbits/sec) Ethernet 
Controller and an RJ-45 LAN connector with integrated status LEDs. 
1.11.1 Intel
®
 82573E/82573L Gigabit Ethernet Controller 
The Intel
®
 82573E/82573L Gigabit Ethernet Controller supports the following features: 
•  PCI Express link 
•  10/100/1000 IEEE 802.3 compliant 
•  Compliant to IEEE 802.3x flow control support 
•  Jumbo frame support 
•  TCP, IP, UDP checksum offload 
•  Transmit TCP segmentation 
•  Advanced packet filtering 
•  Full device driver compatibility 
•  PCI Express Power Management Support 
The 82573E Gigabit Ethernet Controller also supports Alert Standard Format (ASF) 2.0.   
1.11.2  RJ-45 LAN Connector with Integrated LEDs 
Two LEDs are built into the RJ-45 LAN connector (as shown in Figure 11).  Table 5 describes the 
LED states when the board is powered up and the Gigabit LAN subsystem is operating. 
Green LED
Green/Yellow LED
OM16513
 
Figure 11.  LAN Connector LED Locations 
Table 5. 
LAN Connector LED States 
LED Color LED 
State 
Condition 
Off 
LAN link is not established. 
On 
LAN link is established. 
Left Green 
Blinking 
LAN activity is occurring. 
N/A 
Off 
10 Mbits/sec data rate is selected. 
Green 
On 
100 Mbits/sec data rate is selected. 
Right 
Yellow 
On 
1000 Mbits/sec data rate is selected.