Asus RS500-E8-PS4 - Onboard Leds; Baseboard Management Controller LED (BMCLED1); Onboard Leds Page; Standby Power LED (SBPWR1)

Chapter 4: Motherboard information
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2. Baseboard Management Controller LED (BMCLED1)
 ThegreenheartbeatLEDblinkspersecondtoindicatethattheASMB8isworking
normally.
TheheartbeatLEDfunctionsonlywhenyouinstalltheASUSASMB8.
4.4 Onboard LEDs
1. Standby Power LED (SBPWR1)
 ThemotherboardcomeswithastandbypowerLED.ThegreenLEDlightsupto
indicate that the standby mode of the system is ON, the system is in sleep mode,
orthesystemisinsoft-offmode.Thisisareminderthatyoushouldshutdownthe
systemandunplugthepowercablebeforeremovingorplugginginanymotherboard
component.TheillustrationbelowshowsthelocationoftheonboardLED.