MSI 770 C45 - AM3 AMD 770 HDMI Motherboard User Manual page 37

D-Bracket™ 2 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™ 2 supports both USB 1.1 & 2.0 specification.
D-Bracket™ 2
Red
D-Bracket™ 2
1 2
3 4
G reen
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.
Hardware Setup
1 2
3 4
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