Re: Qn: Why does h/w wizard search for my USB driver sys file every ti

Tech-Archive recommends: Fix windows errors by optimizing your registry

From: nevil (nevils_at_gmail.com)
Date: 08/26/04

  • Next message: Billy Ng: "Problem of passing packets in/out for the second device object" 
    Date: 26 Aug 2004 13:34:02 -0700

    Thanks Michelle,
     That was valuable advice. I tried that, but Microsoft has a catch in
    the whole deal- "If your driver is digitally signed" :( unfortunately,
    our driver is not signed.

    Nevil.

    "michelle" <michelle@discussions.microsoft.com> wrote in message news:<E1A22108-C27E-4FB2-9355-534D1D4949F4@microsoft.com>...
    > You can put a unique number through the iSerialNumber field the Device
    > Descriptor. To quote Walter Oney "If you put a serial number on a device,
    > Microsoft recommends that you make it unique for each physical device. If you
    > do so, and if your driver is digitally signed, the end user will be able to
    > move the device around to different ports on the same computer and have it
    > recognized as being the same device."
    >
    > HTH
    >
    >
    > "nevil" wrote:
    >
    > > This is a problem I am having with a driver I am
    > > working on- If someone else has had similar problem,
    > > please chip in. (after install) When I switch the
    > > device to another port, the h/w wizard runs again and
    > > copies the .sys files again to the system/drivers
    > > directory.
    > >
    > > The behavior I would expect is that once the driver
    > > has been installed, if the user switches the port, it
    > > should not be re-installing or copying again the sys
    > > files.
    > >
    > > How do I modify the INF file so that after the initial
    > > install, the h/w wizard knows that the sys files are
    > > in the system/drivers directory and not look for it on
    > > the distribution disk?
    > >

  • Next message: Billy Ng: "Problem of passing packets in/out for the second device object"

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