![](http://pdfasset.owneriq.net/9/f9/9f93d839-c959-4c96-9df6-60174f9a1e09/9f93d839-c959-4c96-9df6-60174f9a1e09-bg40.png)
P4B533-E
®
P4B533-E System Panel Connectors
*
Requires an ATX power supply
.
PLED
Ground
MLED
PWR
+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*