Asus P4B533-V - Manual (Page 59)

ASUS P4B533-V motherboard user guide 2-33
19. System panel connector (20-pin PANEL1)
This connector accommodates several system front panel functions.
P4B533-V
®
P4B533-V System Panel Connectors
* Requires an ATX power supply.
PLED
Ground
MLED
PWRBIN
+5 V Keylock +5V Speaker
Speaker
Connector
Power LED
Ground
+5 V
Reset SW
SMI Lead
Message LED
ExtSMI#
Ground
Reset
Ground Ground Ground
Keyboard Lock
ATX Power
Switch*
P4B533-V
®
P4B533-V Serial COM2 Bracket
PIN 1
COM2
18. Serial port 2 connector (10-1 pin COM2)
This connector accommodates a second serial port using an optional
serial port bracket. Connect the bracket cable to this connector then
install the bracket into a slot opening at the back of the system chassis.
• 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.
• Keyboard Lock Lead (2-pin KEYLOCK)
This 2-pin connector connects to a chassis-mounted switch to allow
the use of the keyboard lock feature.