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Advanced System Use & Maintenance
Figure 96- System panel
This connector supports several chassis-mounted functions.
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 Hardware monitor to indicate an abnormal event occurance.
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 HDDLED)
This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable to this
connector. The IDE LED lights up or flashes when data is read from or written to the HDD.
5.
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 BIOS 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.
Auxiliary panel connector (20-pin AUX_PANEL1)
This connector is for additional front panel features including front panel SMB, locator LED and
switch, chassis intrusion, and LAN LEDs.
User Manual
Rev. 1, November 2011
ApplianceStor
50
67
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