Intel Desktop Board DZ68ZV Technical Product Specification
40
Table 9. Diagnostic LEDs
Item/Callout
in Figure 7
Activity
LE
D
Color
Description
A Watch Dog Timer Fire/
Back to BIOS
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.
B Processor Initialization Green This LED will flash when the processor
initialization activity starts. Then the LED will
stay on when processor initialization is
complete.
C Memory Initialization Green This LED will flash when the memory
initialization activity starts. Then the LED will
stay on when memory initialization is complete.
D Video Initialization Green This LED will flash when the video initialization
activity starts. Then the LED will stay on when
video initialization is complete.
E USB Initialization Green This LED will flash when the USB initialization
activity starts. Then the LED will stay on when
USB initialization is complete.
F Option ROM Initialization Green This LED will flash when the option ROM activity
starts. Then the LED will stay on when option
ROM initialization is complete.
G 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.
H OS Start Green Just before BIOS transfers control to the
operating system, this LED will light and stay
on.