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| USB 2 on Compaq Evo desktop is operating as 1.1 only?? http://forum.linhes.org/viewtopic.php?f=2&t=1254 |
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| Author: | jac1d [ Mon Apr 19, 2004 8:40 pm ] |
| Post subject: | USB 2 on Compaq Evo desktop is operating as 1.1 only?? |
I have a 160GB HD that has a 1.1/2.0 interface. It works properly as a 2.0 HD under XP, but when I connect it to my KnoppMyth box (I am hoping to use it for my recordings partition) it comes up as 1.1 which is far too slow... Is there anything unusual about getting a 2.0 USB HD to work under Debian? How can I ensure the kernel is seeing the ports as USB2? Thanks, -Jeff |
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| Author: | Xsecrets [ Mon Apr 19, 2004 10:03 pm ] |
| Post subject: | |
in order to use usb2.0 you have to have the ehci driver loaded. as root do a lsmod | grep ehci and see if anything comes up. |
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| Author: | jac1d [ Tue Apr 20, 2004 11:27 am ] |
| Post subject: | Hmm doesnt look like it |
lsmod | grep ehci returns nothing dmesg | grep usb returns: root@mythtv:/home/mythtv# dmesg | grep usb usb.c: registered new driver usbdevfs usb.c: registered new driver hub usb-uhci.c: $Revision: 1.275 $ time 17:47:40 Oct 2 2003 usb-uhci.c: High bandwidth mode enabled usb-uhci.c: USB UHCI at I/O 0x2440, IRQ 16 usb-uhci.c: Detected 2 ports usb.c: new USB bus registered, assigned bus number 1 usb-uhci.c: USB UHCI at I/O 0x2460, IRQ 19 usb-uhci.c: Detected 2 ports usb.c: new USB bus registered, assigned bus number 2 usb-uhci.c: v1.275:USB Universal Host Controller Interface driver root@mythtv:/home/mythtv# So ehci is the 2.0 driver? How can I enable it to load at boot time? Thanks! -Jeff |
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| Author: | Xsecrets [ Tue Apr 20, 2004 12:12 pm ] |
| Post subject: | |
probably the easiest way is to run modconf as root then go down to usb/host then down to ehci-hcd then enter. once it says it succesfully installed the module all should be good. it will take care of having it load on boot thereafter. |
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| Author: | jac1d [ Tue Apr 20, 2004 12:45 pm ] |
| Post subject: | Beautiful! |
I loaded it from work, will try the drive when I get home. Thanks for the great tip. I didn't know of modconf before. Great tool. -Jeff |
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