> In our environment, we have a mixture of 32 and 64 bit systems. Would > the 64-bit CentOS flavor work 32 bit systems? What kind of impact > would this have on performance if the 64-bit OS on 32-bit hardware? Immense impact, I'd venture to guess performance would drop by about 100%. (In other words it wouldn't even boot) Cheers, MaZe.