Kernel 2.6.22 default Ubuntu Gutsy

 Asus L1N64-SLI motherboard
 8 GB RAM
 2 x dual-core AMD Opteron 2212, 2 GHz

 Chelsio CX4
 Myri SR (disabled)

 12-disk SATA software RAID-0 capable of ~5 Gbit/s
 used on 08Oct2007: 6-disk RAID-0 because JHA needed card space for A/D PCI card