OOnnlliinnee MMaannuuaall |
Dr. LED Connector (User Upgrade Optional)
In conjunction with Dr. LED (User Upgrade Optional), which can easily show what kind of problem you may incur on your system during assembly. It can clearly indicate whether there is a component issue or an installed issue by the 8 LEDs on the front panel of Dr. LED. This helps you quickly
Pin 1
12
3.3V 
S1
KEY 
S2
GND 
S3
56
53