Rocks v5.2 Beta is Released for x86_64 May 8, 2009 Rocks v5.2 Beta is released for x86_64 CPU architecture. Downloads Jumbo Roll (Area51, Base, Bio, Ganglia, HPC, Java, Kernel, OS disk 1 and 2, SGE, Web Server, Xen) x86_64 (dvd) Individual Rolls MD5 checksums