Hi, I have run SL 4 on DELL 2950 for sometime. The only problem I had was installing SL4 on a machine with 16 GB of memory. I had to use 8 GB to install the OS, after the installation, it works fine with 16 GB of memory. Zhi-Wei Lu Institue for Data Analysis and Visualization (IDAV) UC Davis Phone: (530) 752-0494 Davis, CA 95616 Fax: (530) 752-8894 On Feb 22, 2007, at 12:53 PM, Miles O'Neal wrote: > Dell will ship most of their servers, including > the 1950s and 2950s, with RH4. So I would expect > SL4 to work fine. We're just getting ready to > use SL4, but we have run RH8, RH9 and SL3 on a number > of Dells with no problem. We always bought them > with no OS and installed something we had. We just > made sure we used whatever they currently would have > provided or later.