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Chapter 1: Product introduction
11. System panel connector (20 pin PANEL1)
This connector accommodates several system front panel functions. Each
group of connector pins match the color of the wire connectors for easier
location and identification.
P4P800S SE
®
P4P800S SE System Panel Connector
* 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
• System Power LED Lead (3-1 pin PLED (green))
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 (orange))
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 (blue))
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 PWR (light green))
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 (red))
This connector supplies power to the hard disk activity LED. The read or write
activities of any device connected to the primary or secondary IDE connector
cause this LED to light up.