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Chapter 2: Hardware information
13. System panel connector (20-pin PANEL)
This connector accommodates several system front panel functions.
• System Power LED Lead (3-1 pin PLED)
This 3-1 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 (4-pin SPKR)
This 4-pin connector connects to the case-mounted speaker and
allows you to hear system beeps and warnings.
• Reset Switch Lead (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 (2-pin PWRBTN)
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 Lead (2- pin IDE_LED)
This 2-pin connector is for the HDD LED cable. The read or write
activities of the device connected to any of the IDE connectors cause
the IDE LED to light up.
K8V
®
K8V System Panel Connectors
*
Requires an ATX power supply
.
PLED-
PWR
+5V
Speaker
Speaker
Connector
Power LED
Ground
Reset SW
Ground
Reset
Ground
Ground
ATX Power
Switch*
PLED+
IDE_LED-
IDE_LED+
IDE_LED