It's sure to work with Reaper - download here... [url="http://www.cockos.com/reaper/download.php"]http://www.cockos.com/reaper/download.php[/url]
Down and install > open program> options> preferences > audio> device> set audio system to ASIO and input/output to lexicon> click ASIO configuration button to set buffer as low as you can get away with (without any glitches,popos,crackles, etc).
Go to insert>track when track appears click the red circular button to arm recording> click record button on main transport bar to record.
good luck
HTH