'''LED-R (RAM)''' This LED turns <span style="background:green">Green</span>, the moment the memory initialization is successful. This LED is <span style="background:yellow">Yellow </span> while the memory initialization is in progress. If the memory initialization has failed, for example: There is no DIMM installed / the DIMM is not supported - the R LED will stay <span style="background:yellow">Yellow</span>. The R-LED should stay <span style="background:Green ">Green</span> at normal operation, also after BIOS POST is over.o
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'''LED-B (BIOS)''' This LED is <span style="background:yellow">Yellow </span> after display initialization. If BIOS setup menu is needed, the DEL button is functional from the moment the B-LED is <span style="background:yellow">Yellow</span>. The B-LED is <span style="background:Green ">Green</span> when the OS takes charge of the system.
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'''LED-H (- HDMI display)''' This LED is <span style="background:Green">Green </span> only when the HDMI port of the internal graphics is connected to a monitor.
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'''LEDD -D (Display-Port display)''' This LED is <span style="background:Green">Green </span> only when one or both of the Display Ports of the internal graphics are connected to a monitor.
