On Sun, 2010-06-06 at 15:14 -0700, John Thomas wrote:
CentOS55[root@home ~]# lsusb Bus 002 Device 001: ID 0000:0000 Bus 003 Device 001: ID 0000:0000 Bus 001 Device 001: ID 0000:0000 Bus 001 Device 002: ID 11b0:6888 ATECH FLASH TECHNOLOGY
--- For kicks try unpluging the USB Drive and try booting again.
JOhn