If motherboad is Supermicro X7SBE XEON 3000 with 2 Quad core processors Intel Harpertown E 5405 2.0Ghz 12M cache 1333FSB and 4 x 4Gb memory, what distribution of FreeBSD 7.0 applies: i386 or ia64 ? Why are the ISO's so different in size between i386 and ia64 (i386: disc1,2,3: 534, 728, 368Gb; ia64: 449Gb, 0,372 Gb, 0,372 Gb)