ConnectCore for i.MX51
©2011DigiInternational,Inc. 64
Coincell Enable, J3
When set, this jumper supplies the real time clock with +3V from the lithium coin cell 
battery, even if the board is switched off.
JTAG Mod., J4
When set, this jumper disables the JTAG interface for the ConnectCore for i.MX51.
When removed, the JTAG interface is enabled.