Intel® 82551Qm Integrated 10/100 Lan Controller; Lan Connector With Integrated Leds; Figure 11. Lan Connector Led Locations - Intel SE7221BA1 Technical Manual

Input Output Subsystem
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Compliant to 802.3x flow control support
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Jumbo frame support
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TCP, IP, UDP checksum offload
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Automatic MDI/MDIX crossover
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Full device driver compatibility
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Configuration EEPROMs that contain the MAC address and ASF 2.0 support
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Wake On LAN technology power management support
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PCI Express* Active State Power Management Support (L0s)
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ASF 2.0 support
5.2.2 Intel® 82551QM Integrated 10/100 LAN controller
The Intel® 8255QM Fast Ethernet controller provides the following functions:
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Basic 10/100 Ethernet LAN connectivity
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IEEE 802.3 10Base-T and 100Base-TX Compatible PHY
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IEEE 802.3x 100Base-TX Flow Control Support
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IEEE 802.3u Auto-Negotiation support
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TCP, IP, UDP checksum offload
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Full device driver compatibility
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Wake On LAN technology power management support.
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Wired for management
5.2.3 RJ-45 LAN Connector with Integrated LEDs
Two LEDs are built into the RJ-45 LAN connectors (as shown in Figure 11).
Table 11 describes the LED states when the board is powered up and the Gigabit LAN
subsystem is operating.
28
NIC 1 NIC 2
Green LED

Figure 11. LAN Connector LED Locations

Intel® Entry Server Board SE7221BA1-E TPS
Green/Yellow LED
OM16513
Revision 1.5