User Guide
ASUS TS300-E9-PS4
4-5
• TheheartbeatLEDfunctionsonlywhenyouinstalltheASUSASMB8Management
card.
• EverytimeaftertheACpowerisreplugged,youhavetowaitforabout60secondsfor
thesystemtopowerup.
4.2 Onboard LEDs
1. Standby Power LED (SBPWR1)
ThemotherboardcomeswithastandbypowerLED.ThegreenLEDlightsupto
indicate that the system is ON, in sleep mode, or in soft-off mode. This is a reminder
thatyoushouldshutdownthesystemandunplugthepowercablebeforeremovingor
plugginginanymotherboardcomponent.Theillustrationbelowshowsthelocationof
the onboard LED.
2. Baseboard Management Controller LED (BMCLED1)
ThegreenheartbeatLEDblinkspersecondtoindicatethattheASMB8isworking
normally.TheBMCLEDworkswiththeASUSASMB8managementdeviceand
indicates its initiation status. When the PSU is plugged and the system is OFF, ASUS
ASMB8managementdevicestartssysteminitiationforaboutone(1)minute.TheBMC
LEDblinksaftersysteminitiationnishes.










