$ su
# modprobe sg
# modprobe ide-scsi
# modprobe usbcore
# lspci -vvv  | grep -i hci
  [NOTE: This shows whether you have UHCI or OHCI:]
00:07.2 USB Controller: Intel Corp. 82371AB/EB/MB PIIX4 USB (rev 01) (prog-if 00 [UHCI])
  [NOTE: Probe the right module (usb-uhci or usb-ohci)]
# modprobe usb-uhci
# modprobe usb-storage
# mount -t vfat /dev/sda4 usb
mount: /dev/sda4 is not a valid block device
# mount -t vfat /dev/sda0 usb
mount: special device /dev/sda0 does not exist
# mount -t vfat /dev/sda1 usb
# ls usb
FinalLDMS78outline.ppt  LDMSINTROv8.pdf
#