No. The Eleven Rack requires new drivers and software that weren't part of earlier systems. We recommend you use the ProTools LE installer disk that came with your Eleven Rack.

If you already have ProTools LE 8.0.1 installed, you could also try downloading the Eleven Rack update for ProTools 8.0.1 which can be found here:

http://www.digidesign.com/index.cfm?navid=3&langid=100&eid=7804&categoryid=36