User manual

1-28
Chapter 1: Product Introduction
Chapter 1
• SystempowerLED(2-pinor3-1pinPLED)
The2-pinor3-1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.
• HarddiskdriveactivityLED(2-pinHDD_LED)
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.
• 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.
• 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.
• 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.
• Chassisintrusionconnector(2-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.
8. System panel connector (20-3 pin PANEL)
Thisconnectorsupportsseveralchassis-mountedfunctions.