Intel D850GB Intel Desktop Board D850GB/D850GBAL Product Guide English - Page 17
LAN Subsystem Software, RJ-45 LAN Connector LEDs, Enhanced Diagnostic LEDs, Speaker, Battery - motherboard drivers
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Desktop Board Features LAN Subsystem Software For LAN software and drivers, refer to the D850GB link on Intel's World Wide Web site at: http://support.intel.com/support/motherboards/desktop RJ-45 LAN Connector LEDs Two LEDs are built into the RJ-45 LAN connector. Table 2 describes the LED states when the board is powered up and the LAN subsystem is operating. Table 2. RJ-45 LAN Connector LEDs LED Color Green Yellow LED State Off On Off On (steady state) On (brighter and pulsing) Indicates 10 Mbit/sec data rate is selected. 100 Mbit/sec data rate is selected. LAN link is not established. LAN link is established. The computer is communicating with another computer on the LAN. Enhanced Diagnostic LEDs Four dual-colored enhanced diagnostic LEDs are located on the back panel. The LEDs report POST failures. See page 80 for information about the LEDs. Speaker A 47 Ω inductive speaker is mounted on the desktop board. The speaker provides audible error code (beep code) information during the Power-On Self-Test (POST). Battery A battery on the board keeps the values in CMOS RAM and the clock current when the computer is turned off. See Chapter 2 for instructions on how to replace the battery. 17