When booting Dell FX2 blades, the following error is printed to the screen a bazillian times: alloc_config_rage test_pages.... Because so many errors are printed to the screen, this pro-longs the boot sequence, and ultimately the Titanium Server software times-out. And the blade will not come online.
add cma=0 to the boot line to suppress the messages.
Load Titanium Server 15.05 into Dell FX2 system. Boot the blades one at a time as described in the docs.