Intel Desktop Board D975XBX2 Technical Product Specification
34
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 supports Alert Standard Format (ASF) 2.0 and
Intel Active Management Technology (Intel AMT).
1.11.2 RJ-45 LAN Connector with Integrated LEDs
Two LEDs are built into the RJ-45 LAN connector (shown in Figure 12 below).
Link LED
(Green)
Data Rate LED
(Green/Yellow)
OM18329
Figure 12. LAN Connector LED Locations
Table 6 describes the LED states when the board is powered up and the LAN
subsystem is operating.
Table 6. LAN Connector LED States
LED LED Color LED State Condition
Off LAN link is not established.
On LAN link is established.
Link Green
Blinking LAN activity is occurring.
Off 10 Mbits/sec data rate is selected.
Green 100 Mbits/sec data rate is selected.
Data Rate Green/Yellow
Yellow 1000 Mbits/sec data rate is selected.
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