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Intel D925XBC Manual Do Utilizador

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Product Description 
1.12 LAN Subsystem 
The LAN subsystem includes the Marvell Yukon 88E50 Gigabit (10/100/1000 Mbits/sec) Ethernet 
Controller and an RJ-45 LAN connector with integrated status LEDs. 
1.12.1  Marvell Yukon 88E8050 PCI Express 1.0a Integrated MAC/PHY 
Gigabit Ethernet Controller 
The Marvell Yukon 88E8050 provides the following functions: 
•  x1 PCI Express link 
•  Basic 10/100/1000 Ethernet LAN connectivity 
•  IEEE 802.1p and 802.1q support 
•  10/100/1000 IEEE 802.3 compliant 
•  Compliant to 802.3x flow control support 
•  Jumbo frame support 
•  TCP, IP, UDP checksum offload 
•  Automatic MDI/MDIX crossover 
•  Full device driver compatibility 
•  Configuration EEPROMs that contain the MAC address and ASF 2.0 support 
•  Wake On LAN technology power management support 
•  PCI Express Active State Power Management Support (L0s) 
•  ASF 2.0 support  
1.12.2  RJ-45 LAN Connector with Integrated LEDs 
Two LEDs are built into the RJ-45 LAN connector (as shown in Figure 14).  Table 7 describes the 
LED states when the board is powered up and the Gigabit LAN subsystem is operating. 
Green LED
Green/Yellow LED
OM16513
 
Figure 14.  LAN Connector LED Locations 
Table 7. 
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. 
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