MSI K7D MASTER User Guide - Page 16

Getting Started D-LED™ & D-Bracket™ (Optional) The D-LED™ uses graphic signal display to help users understand their system. Four LEDs embedded in the mainboard 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. 1 2 3 4 Diagnostic LED The D-Bracket™ , which is an external USB bracket integrating four Diagnostic LEDs, is optional. Definitions of the D-Bracket™ LED signals are the same as D-LED™ as shown below. Red D-LED 1 2 3 4 Green D-Bracket Description System Power ON 1 2 - The D-LED will hang here if the processor is damaged or 3 4 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. 1-9