Asus P4SE/U2 - Manual (Page 32)

1-22 Chapter 1: Motherboard Information
16. System panel connector (20-pin PANEL1)
This connector accommodates several system front panel functions.
P4SE
®
P4SE System Panel Connectors
* Requires an ATX power supply.
PLED
Ground
MLED PWR
+5 V +5V Speaker
Speaker
Connector
Power LED
Ground
+5 V
Reset SW
SMI Lead
Message LED
ExtSMI#
Ground Reset
Ground Ground
ATX Power
Switch*
Keylock Ground
Keyboard Lock
15. Smart card reader connector (14-1 pin SMARTCON1) (optional)
This connector accommodates a Smart Card Reader that allows you
to conveniently make transactions such as financial, health care,
telephony, or traveling services through a Smart Card user interface
software.
P4SE
®
P4SE Smartcard
SMARTCON1
NC SCPWR
NC NC
NC2 VCC GND
SCIO
SCRRES#
NC
SCRCLK
1
NC
SCRREST
• 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.