A couple of ways to check your cRIO software version.
1) Hookup a null modem cable to the cRIO serial port, turn on the cRIO dip switch for "Console out", and use Hyperterminal or similar tool to watch the cRIO console dump when it boots up. You'll see these lines buried in all the others:
FRC_NetworkCommunication was compiled from SVN revision 1510
FPGA Hardware Version: 2009
FPGA Software Version: 2009
FPGA Hardware Revision: 0.1.11
FPGA Software Revision: 0.1.11
2) use the LabVIEW program at:
http://thinktank.wpi.edu/article/138
On the far right of this screen are displayed the cRIO version numbers.
The latest v7 version numbers are:
FPGA Firmware Revision: 0.1.11
Network Comm Version: 1510