I had a machine running Linux and it worked very well. Faster than the same machine running XP. I think it does better memory management than XP and allows you to access more that 3GB. Benchmarks I did with a large DRC run showed it to be much faster. No crashes or issues that I came across. David Kelly davidkel@xxxxxxxxx 720-562-6316 ________________________________ From: icu-pcb-forum-bounce@xxxxxxxxxxxxx [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Gene Carman Sent: Monday, July 28, 2008 10:51 AM To: icu-pcb-forum@xxxxxxxxxxxxx Subject: [PCB_FORUM] anyone running Allegro on Linux Is it supported by Cadence? Does it work well for you? Any issues?