IBM ThinkCentre M51/8143 (OpenSuSe 11.1 new install)
USB hdd or memory cards Not found.
USB ports are there, USB printer works.
Everything works in windoze. 
The command “lsusb -v” as user or root causes the USB hdd to be found.
But —
Only one drive/device can be found, you cannot plug in another drive and find it.