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Intel Desktop Board D945GRW Product Guide
RJ-45 LAN Connector LEDs
Two LEDs are built into the RJ-45 LAN connector located on the back panel (see Figure 2).
Table 5 describes the LED states when the board is powered up and the 10/100/1000 Gigabit
Ethernet LAN subsystem is operating.
Table 5.
RJ-45 10/100/1000 Gigabit Ethernet LAN Connector LEDs
LED
LED Color
Left (A)
Green
Right (B)
N/A
Green
Yellow
Hi-Speed USB 2.0 Support
NOTE
Computer systems that have an unshielded cable attached to a USB port might not meet FCC
Class B requirements, even if no device or a low-speed USB device is attached to the cable.
Use a shielded cable that meets the requirements for a full-speed USB device.
The desktop board supports up to eight USB 2.0 ports via ICH7; six ports routed to the back
panel and two routed to one internal USB 2.0 header. USB 2.0 ports are backward compatible with
USB 1.1 devices. USB 1.1 devices will function normally at USB 1.1 speeds.
USB 2.0 support requires both an operating system and drivers that fully support USB 2.0 transfer
rates. Disabling Hi-Speed USB in the BIOS reverts all USB 2.0 ports to USB 1.1 operation. This
may be required to accommodate operating systems that do not support USB 2.0.
18
Figure 2. LAN Connector LEDs
LED State
Indicates
Off
LAN link is not established
On
LAN link is established
Blinking
LAN activity is occurring
Off
10 Mb/s data rate
On
100 Mb/s data rate
On
1000 Mb/s data rate
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