User Manual

1-26
Chapter 1: Product Introduction
Chapter 1
1. System power LED (3-pin PLED)
This3-pinconnectorisforthesystempowerLED.ConnectthechassispowerLED
cabletothisconnector.ThesystempowerLEDlightsupwhenyouturnonthesystem
power,andblinkswhenthesystemisinsleepmode.
2. Message LED (2-pin MLED)
This2-pinconnectorisforthemessageLEDcablethatconnectstothefrontmessage
LED.ThemessageLEDiscontrolledbytheBMCtoindicateanabnormalevent
occurrence.
Thisconnectormaybedisableddependingonthemodel.
3. System warning speaker (4-pin SPEAKER)
This4-pinconnectorisforthechassis-mountedsystemwarningspeaker.Thespeaker
allowsyoutohearsystembeepsandwarnings.
4. Hard disk drive activity LED (2-pin HDLED)
This2-pinconnectorisfortheHDDActivityLED.ConnecttheHDDActivityLEDcable
tothisconnector.TheHDDLEDlightsuporasheswhendataisreadfromorwritten
totheHDD.
5. ATX power button/soft-off button (2-pin PWRSW)
Thisconnectorisforthesystempowerbutton.Pressingthepowerbuttonturnsthe
systemonorputsthesysteminsleeporsoft-offmodedependingontheoperating
systemsettings.Pressingthepowerswitchformorethanfoursecondswhilethe
systemisONturnsthesystemOFF.
6. Reset button (2-pin RESET)
This2-pinconnectorisforthechassis-mountedresetbuttonforsystemrebootwithout
turningoffthesystempower.
14. System panel connector (20-1 pin PANEL1)
Thisconnectorsupportsseveralchassis-mountedfunctions.