User's Manual

1-20
Chapter 1: Product introduction
13. Chassis intrusion connector (4-1 pin CHASSIS)
Thisconnectorisforachassis-mountedintrusiondetectionsensororswitch.Connect
one end of the chassis intrusion sensor or switch cable to this connector. The chassis
intrusionsensororswitchsendsahigh-levelsignaltothisconnectorwhenachassis
componentisremovedorreplaced.Thesignalisthengeneratedasachassisintrusion
event.
Bydefault,thepinlabeled“ChassisSignal”and“Ground”areshortedwithajumper
cap.Removethejumpercapsonlywhenyouintendtousethechassisintrusion
detection feature.
1.8 Onboard LEDs
1. Standby Power LED
ThemotherboardcomeswithastandbypowerLEDthatlightsuptoindicatethatthe
systemisON,insleepmode,or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.
B85M-E/DASH
B85M-E/DASH Chassis intrusion connector
+5VSB_MB Chassis Signal GND
CHASSIS
B85M-E/DASH
B85M-E/DASH Standby power LED
SB_PWR
ON
Standby Power Powered Off
OFF