On Wed, 2009-01-28 at 18:32 -0600, Michael Cronenworth wrote: > Rick Stevens wrote: > > A lot of machines have several USB controllers--some USB 1.1 and some > > USB 2.0. If you happen to plug the key into one of the 1.1 ports, it'll > > be quite a bit slower than the 2.0 ports. > > > > Plug the key into one of your ports, then do "lsusb". In that listing, > > you'll see lines with "Device: 001". Those are the "hubs" and they'll > > tell you if it's a V1.1 or V2.0 bus. > > > > You should also see your key. If it's on a V1.1 bus, try moving it to > > another port to get it on a V2.0 bus. For example, here's one of mine: > > > > [root@bigdog ~]# lsusb > > Bus 001 Device 002: ID 2040:6513 Hauppauge WinTV HVR-980 > > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > Bus 002 Device 002: ID 413c:3200 Dell Computer Corp. MouseBus 001 > > Device 001: > > Bus 002 Device 003: ID 413c:2105 Dell Computer Corp. > > Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > > > > Note that that device "Bus 001 Device 001" is a 2.0 hub, "Bus 002 > > Device 001" is a 1.1 hub. You'll also notice that my USB TV tuner > > card is on > > bus 001 (the 2.0 bus), and my keyboard and mouse are on bus 002 (the 1.1 > > bus). > > > > Also note that all three devices are plugged into the back of my > > machine. The two USB ports next to the PCI bus slots are the 1.1 ports, > > while the ports next to my sound card jacks are the 2.0 ports. The two > > ports on the front panel (connected to the mobo by a cable) also seem > > to be 2.0 ports (bus 001). > > Your lsusb output is not telling you what you think. Any new computer, > and especially the P5Q-E the OP is using, have all 2.0 ports. The > mixture days are over. > > OP, I have a P5Q Deluxe running several USB flash drives at full 2.0 > speeds. I'd make sure your BIOS USB setting is set to "HiSpeed" and not > "FullSpeed." Isn't that wording wonderful? He already said that the copy was fast under Windows. Therefore the BIOS has little to do with this situation. I too have experienced very slow USB transferspeeds when using a Compact Flash memory card reader. I think this situation warrants further investigation. > -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
