9.System panel connector (20-pin PANEL)
This connector supports several chassis-mounted functions.
PLED | SPEAKER | ||
PLED+ | PLED- | +5V | Ground Ground Speaker |
PANEL |
|
|
|
HD_LED+ HD_LED- | EXTSMI Ground PWR Ground | Reset Ground | |
HD_LED |
| RESET |
EXTSMI PWRSW
*Requires an ATX power supply.
•System power LED (3-1 pin PLED)
This 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.
•System warning speaker (4-pin SPEAKER)
This connector is for the
•Reset button (2-pin RESET)
This connector is for the
•ATX power button/soft-off button (2-pin PWRBTN)
This connector is for the system power button. Pressing the power button turns the system on or puts the system in sleep or
•System Management Interrupt (2-pin SMI)
This connector is for the
•Hard disk drive activity LED (2-pin HDLED)
This 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.
Chapter 1: Product Introduction |