Intel BLKDZ68BC manual Board Status LEDs, Item/Callout, Activity Color Description

Intel Desktop Board DZ68BC Product Guide

Board Status LEDs

The Desktop Board includes thirteen LEDs that allow you to monitor the board’s progress through the BIOS Power-on Self-Test, Hard Drive activity, processor and voltage regulator temperature, and certain error conditions. At initial power on, all the LEDs are off. Figure 6 shows the location the LEDs and Table 5 briefly describes their function.

Table 5. Board Status LEDs

Item/Callout		LED
in Figure 6	Activity	Color	Description
A	Hard Drive Activity	Blue	This LED blinks on and off with hard
			drive activity.
B	Processor Hot	Red	When lit, this LED indicates an elevated
			temperature on the processor that
			could affect performance.
C	Voltage Regulator Hot	Red	When lit, this LED indicates an elevated
			temperature in the processor voltage
			regulator circuit that could affect
			performance.
D	Watch Dog Timer Fire/	Red	When the watch dog timer fires to reset
	Back to BIOS		the board, this LED will flash.
			In addition, this LED will light and stay
			on when the Back to BIOS button has
			been pressed.
E	Processor Initialization	Green	This LED will flash when the processor
			initialization activity starts. Then the
			LED will stay on when processor
			initialization is complete.
F	Memory Initialization	Green	This LED will flash when the memory
			initialization activity starts. Then the
			LED will stay on when memory
			initialization is complete.
G	Video Initialization	Green	This LED will flash when the video
			initialization activity starts. Then the
			LED will stay on when video
			initialization is complete.
H	USB Initialization	Green	This LED will flash when the USB
			initialization activity starts. Then the
			LED will stay on when USB initialization
			is complete.
I	Hard Drive Initialization	Green	This LED will flash when the hard drive
			activity starts. Then the LED will stay
			on when hard drive initialization is
			complete.
			continued

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