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Chapter 1: Product Introduction
1-26
The System Panel connector is color-coded for easy and foolproof
connection. Take note of the specific connector colors as described.
K8U-X
®
K8U-X System panel connector
* Requires an ATX power supply.
PLED-
PWR
+5V
Speaker
PLED
Ground
RESET
Ground
Reset
Ground
Ground
PLED+
IDE_LED-
IDE_LED+
IDE_LED
SPEAKER
PWRSW
PANEL
11. System panel connector (10-1 pin PANEL)
This connector accommodates several system front panel functions.
• System Power LED Lead (Green 3-pin PLED)
This 3-pin connector connects to the system power LED. The LED lights up when
you turn on the system power, and blinks when the system is in sleep mode.
• System Warning Speaker Lead (Orange 4-pin SPEAKER)
This 4-pin connector connects to the case-mounted speaker and allows you to
hear system beeps and warnings.
• Reset Switch Lead (Blue 2-pin RESET)
This 2-pin connector connects to the case-mounted reset switch for rebooting
the system without turning off the system power.
• ATX Power Switch / Soft-Off Switch Lead (Yellow 2-pin PWRSW )
This connector connects a switch that controls the system power. Pressing the
power switch turns the system between ON and SLEEP, or ON and SOFT OFF,
depending on the BIOS or OS settings. Pressing the power switch while in the
ON mode for more than 4 seconds turns the system OFF.
• Hard disk activity LED (Red 2-pin IDE_LED)
This connector supplies power to the hard disk activity LED. Any read or write
activity of an IDE device cause this LED to light up.