MSI MS-6566 User Manual download pdf (Page 15)

Chapter 1

1-8

D-Bracket (optional)

D-Bracket is an external USB bracket integrating four Diagnostic LEDs,

which use graphic signal display to help users understand their system. The

LEDs provide up to 16 combinations 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.

D-Bracket

D-Bracket 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.

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3 4

Red

Green

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MSI MS-6566 User Manual Page 15