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2 gigabit lan subsystem – chiliGREEN D915GAGL User Manual

Page 36

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Intel Desktop Board D915GAV/D915GAG Technical Product Specification

36

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