Chapter 1
1-8
MSI Special Features
D-LED™
D-LED Description
System Power ON
- The D-LED will hang here if the processor is damaged or not
installed properly.
Early Chipset Initialization
Memory Detection Test
- Testing onboard memory size. The D-LED will hang if the
memory module is damaged or not installed properly.
Decompressing BIOS image to RAM for fast booting.
Initializing Keyboard Controller.
Testing VGA BIOS
- This will start writing VGA sign-on message to the screen.
Red
Green
The D-LED™ uses graphic signal display to help users understand
their system. Four LEDs embedded in the mainboard provide up to 16 combi-
nations of signals to debug the system. The 4 LEDs can debug all problems
that fail the system, such as VGA, RAM or other failures. This special feature
is very useful for the overclocking users. These users can use the feature to
detect if there are any problems or failures.
1 2 3 4
Diagnostic LED
1
23
4
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