MSI MEG X399 CREATION User Manual - Page 54
JPWRLED1: LED light demonstration power input connector, Debug Code LED, Hexadecimal Character Table
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JPWRLED1: LED light demonstration power input connector This connector is used by retailers to demonstrate onboard LED lights. JPWRLED1 - LED power input Debug Code LED The Debug Code LED displays progress and error codes during and after POST. Refer to the Debug Code LED table for details. Debug Code LED Hexadecimal Character Table Hexadecimal 0 1 2 3 4 5 6 7 8 9 A B C D E F Debug Code LED display 0123456789ABCDEF Boot Phases Security (SEC) - initial low-level initialization Pre-EFI Initialization (PEI) - memory initialization Driver Execution Environment (DXE) - main hardware initialization Boot Device Selection (BDS) - system setup, pre-OS user interface & selecting a bootable device (CD/DVD, HDD, USB, Network, Shell, ...) 54 Onboard LEDs
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