Intel BLKDP67BG Technical Product Specification page 36

Intel Desktop Board DP67BG Technical Product Specification
Table 9. Diagnostic LEDs
Item/Callout
in Figure 7
A
B
C
D
E
F
G
H
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Activity
Watch Dog Timer Fire/
Back to BIOS
Processor Initialization
Memory Initialization
Video Initialization
USB Initialization
Option ROM Initialization
Hard Drive Initialization
OS Start
LED
Color Description
Red When the watch dog timer fires to reset the
board, this LED will flash.
In addition, this LED will light and stay on when
the Back to BIOS button has been pressed.
Green This LED will flash when the processor
initialization activity starts. Then the LED will
stay on when processor initialization is
complete.
Green This LED will flash when the memory
initialization activity starts. Then the LED will
stay on when memory initialization is complete.
Green This LED will flash when the video initialization
activity starts. Then the LED will stay on when
video initialization is complete.
Green This LED will flash when the USB initialization
activity starts. Then the LED will stay on when
USB initialization is complete.
Green This LED will flash when the option ROM activity
starts. Then the LED will stay on when option
ROM initialization is complete.
Green This LED will flash when the hard drive activity
starts. Then the LED will stay on when hard
drive initialization is complete.
Green Just before BIOS transfers control to the
operating system, this LED will light and stay
on.