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    SZ6xx USB reset

    Discussion in 'VAIO / Sony' started by Y0tsuya, Oct 31, 2007.

  1. Y0tsuya

    Y0tsuya Notebook Enthusiast

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    I'm using a SZ691. Am I the only one noticing spontaneous USB unplug/plugin events happening a few times daily on the SZ6? You'll know because it makes that characteristic USB plugin/unplug beep. I installed a USB tracing SW and managed to narrow it down to the UPEK Fingerprint chip. Either the USB host controller is resetting the port (unlikely), or the UPEK decides to reset itself every once in a while. I took the thing apart and reseated all the flex cables but no change in behavior. No big deal I suppose because fingerprint works fine otherwise.
     
    Y0tsuya, Oct 31, 2007
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