Hi Charles, I tested the USB thumb drives on a FC3 32bit box. I haven't got FC5 32bit running. AVIXE 1G ======== # ps -ef | grep usb root 4555 1 0 21:39 ? 00:00:00 [usb-storage] root 4807 4772 0 21:48 pts/3 00:00:00 grep usb # dmesg | grep usb usbcore: registered new driver usbfs usbcore: registered new driver hub usbcore: registered new driver hiddev usbcore: registered new driver usbhid drivers/usb/input/hid-core.c: v2.01:USB HID core driver SELinux: initialized (dev usbfs, type usbfs), uses genfs_contexts usb 4-1: new high speed USB device using ehci_hcd and address 2 usb-storage: device found at 2 usb-storage: waiting for device to settle before scanning usbcore: registered new driver usb-storage usb-storage: device scan complete * * * END * * * # fdisk -l Disk /dev/hda: 40.0 GB, 40020664320 bytes 255 heads, 63 sectors/track, 4865 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/hda1 * 1 13 104391 83 Linux /dev/hda2 14 2563 20482875 83 Linux /dev/hda3 2564 2690 1020127+ 82 Linux swap /dev/hda4 2691 4865 17470687+ 5 Extended /dev/hda5 2691 3907 9775521 83 Linux /dev/hda6 3908 4637 5863693+ 83 Linux /dev/hda7 4638 4865 1831378+ 83 Linux Disk /dev/sda: 1007 MB, 1007419392 bytes 31 heads, 62 sectors/track, 1023 cylinders Units = cylinders of 1922 * 512 = 984064 bytes Device Boot Start End Blocks Id System /dev/sda1 1 204 196013 6 FAT16 /dev/sda2 205 1018 782254 83 Linux /dev/sda3 1019 1023 4805 83 Linux * * * End * * * AVIXE 512M ========== # ps -ef | grep usb root 4946 1 0 21:49 ? 00:00:00 [usb-storage] root 5101 4772 0 21:49 pts/3 00:00:00 grep usb # dmesg | grep usb usbcore: registered new driver usbfs usbcore: registered new driver hub usbcore: registered new driver hiddev usbcore: registered new driver usbhid drivers/usb/input/hid-core.c: v2.01:USB HID core driver SELinux: initialized (dev usbfs, type usbfs), uses genfs_contexts usb 4-1: new high speed USB device using ehci_hcd and address 2 usb-storage: device found at 2 usb-storage: waiting for device to settle before scanning usbcore: registered new driver usb-storage usb-storage: device scan complete usb 4-1: USB disconnect, address 2 usb 4-1: new high speed USB device using ehci_hcd and address 3 usb-storage: device found at 3 usb-storage: waiting for device to settle before scanning usb-storage: device scan complete * * * End * * * # fdisk -l Disk /dev/hda: 40.0 GB, 40020664320 bytes 255 heads, 63 sectors/track, 4865 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/hda1 * 1 13 104391 83 Linux /dev/hda2 14 2563 20482875 83 Linux /dev/hda3 2564 2690 1020127+ 82 Linux swap /dev/hda4 2691 4865 17470687+ 5 Extended /dev/hda5 2691 3907 9775521 83 Linux /dev/hda6 3908 4637 5863693+ 83 Linux /dev/hda7 4638 4865 1831378+ 83 Linux Disk /dev/sda: 503 MB, 503709696 bytes 64 heads, 32 sectors/track, 480 cylinders Units = cylinders of 2048 * 512 = 1048576 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 287 293872 6 FAT16 /dev/sda2 288 250000 255706112 83 Linux Partition 2 has different physical/logical endings: phys=(1023, 63, 32) logical=(249999, 63, 32) * * * End * * * > Have you got a 32 bit machine you can look at the device's ID with > lsusb and compare that to the results on your 64 bit machine? What > you > want is the ID column, something like 0c76:0005 in: > > Bus 004 Device 003: ID 0c76:0005 JMTek, LLC. USBdisk 1G === # lsusb Bus 006 Device 001: ID 0000:0000 Bus 005 Device 001: ID 0000:0000 Bus 004 Device 004: ID 0457:0151 Silicon Integrated Systems Corp. Bus 004 Device 001: ID 0000:0000 Bus 003 Device 001: ID 0000:0000 Bus 002 Device 001: ID 0000:0000 Bus 001 Device 001: ID 0000:0000 * * * End * * * 512M ==== # lsusb Bus 006 Device 001: ID 0000:0000 Bus 005 Device 001: ID 0000:0000 Bus 004 Device 005: ID 0457:0151 Silicon Integrated Systems Corp. Bus 004 Device 001: ID 0000:0000 Bus 003 Device 001: ID 0000:0000 Bus 002 Device 001: ID 0000:0000 Bus 001 Device 001: ID 0000:0000 * * * End * * * Both seems the same. On FC5_64 box # which lsusb /usr/bin/which: no lsusb in (/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin) Neither "yum search lsusb" found this package. Please advise which package is needed? TIA B.R. SL