The CentOS development team is pleased to announce the availability of CentOS-4.2 in the following architectures:
i386 – This distribution supports AMD (K6, K7, Thunderbird, Athlon, Athlon XP, Sempron), Pentium (Classic, Pro, II, III, 4, Celeron, M, Xeon), VIA (C3, Eden, Luke, C7) processors.
x86_64 – This distribution supports AMD (Athlon 64, Opteron) and Intel Pentium (Xeon EM64T) processors.
ia64 – This distribution supports Intel Itanium2 processors.
s390 – This distribution supports IBM S/390 processors.
s390x – This distribution supports IBM Z-Series servers.
alpha – This distribution supports the DEC Alpha processor.
Scarichiamola da qui, e prima di installarla leggiamo le Relase Notes.