
1-20
Chapter 1: Product introduction
11. System panel connector (20-pin PANEL1)
This connector accommodates several system front panel functions.
9. Internal audio connectors (4-pin CD1, AUX1)
These connectors allow you to receive stereo audio input from sound sources
such as a CD-ROM, TV tuner, or MPEG card.
P4S533-MX
P4S533-MX Internal Audio Connectors
CD1 (Black) AUX1 (White
Right Audio Channel
Left Audio Channel
Ground
Ground
P4S533-MX
P4S533-MX System Panel Connectors
PANEL1
*
Requires an ATX power supply.
PLED
Ground
IDELED-
PWR
+5VSB
+5V
Speaker
Speaker
Connector
Power LED
Ground
IDELED+
Reset SW
SMI Lead
IDE_LED
ExtSMI#
Ground
Reset
Ground
Ground
ATX Power
Switch*
Ground
• 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 SPEAKER)
This 4-pin connector connects to the case-mounted speaker and allows you to
hear system beeps and warnings.