I have Dual Intel E5506 CPU's running Debian 5.0.4.. With 16gb of ram.. sbc2:~# uname -a Linux sbc2 2.6.26-2-amd64 #1 SMP Wed May 12 18:03:14 UTC 2010 x86_64 GNU/Linux sbc2:~# cat /proc/meminfo MemTotal: 16410864 kB MemFree: 16255000 kB Buffers: 4348 kB Cached: 48332 kB SwapCached: 0 kB Active: 48060 kB Inactive: 34672 kB SwapTotal: 9968292 kB SwapFree: 9968292 kB Dirty: 52 kB Writeback: 0 kB AnonPages: 30112 kB Mapped: 13356 kB Slab: 16656 kB SReclaimable: 4496 kB SUnreclaim: 12160 kB PageTables: 3420 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 18173724 kB Committed_AS: 206444 kB VmallocTotal: 34359738367 kB VmallocUsed: 305632 kB VmallocChunk: 34359432307 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB