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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.
Table 7.
LAN Connector LED States
LED
Color
Left
Green
N/A
Green
Right
Yellow
Green LED
Figure 14. LAN Connector LED Locations
LED State
Off
On
Blinking
Off
On
On
Green/Yellow LED
OM16513
Condition
LAN link is not established.
LAN link is established.
LAN activity is occurring.
10 Mbits/sec data rate is selected.
100 Mbits/sec data rate is selected.
1000 Mbits/sec data rate is selected.
Product Description
35
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