Intel Desktop Board D915GAV/D915GAG Technical Product Specification
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1.11.1.2 RJ-45 LAN Connector with Integrated LEDs
Two LEDs are built into the RJ-45 LAN connector (shown in Figure 12).
Green LED
Yellow LED
OM15076
Figure 12. LAN Connector LED Locations
Table 8 describes the LED states when the board is powered up and the 10/100 Mbits/sec LAN
subsystem is operating.
Table 8. LAN Connector LED States
LED Color LED State Condition
Off LAN link is not established.
On LAN link is established.
Green
Blinking LAN activity is occurring.
Off 10 Mbits/sec data rate is selected Yellow
On 100 Mbits/sec data rate is selected
1.11.2 Gigabit LAN Subsystem
The Gigabit (10/100/1000 Mbits/sec) LAN subsystem includes the Marvel Yukon 88E50 and an
RJ-45 LAN connector with integrated status LEDs.
NOTE
The Gigabit LAN subsystem is a manufacturing option available only with the D915GAG board.
1.11.2.1 Marvel Yukon 88E8050 PCI Express 1.0a Integrated MAC/PHY Gigabit
Ethernet Controller
The Marvel 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
