On Sat, Sep 25, 2004 at 11:35:35PM +0930, David Purton wrote: > Does anyone have an idea why a usb pen drive would be detected and work > fine using the usb ports on the back of my shuttle xpc SB62G2, but is > not even detected as plugged in when using the front ports? > > Googling suggests that this might be due to some front usb ports not > delivering enough power to the drive. > > Are there any other software problems that might cause this or must I > just live with it?
I had a similar problem with USB devices about a year ago. Some device would be recognized if plugged into a front port and not recognized if plugged into a rear port. What I conluded was the 2.4.20 through 2.4.25 kernels I was using did not completely support my motherboard, which has an nVidia nForce2 chipset and USB controller, since switching to a 2.6 kernel fixed the problem. I am currently using a Debian kernel-image-2.6.5-1-k7. I've also tried 2.6.7-1-k7 and 2.6.8-1-k7 but have had some problems with them. If you have fairly new hardware, your current kernel drivers may not completely support it. -- Jerome
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