Re: IgnoreHWSerNum redux

From: Doron Holan [MS] (doronh_at_nospam.microsoft.com)
Date: 12/04/04 

Date: Fri, 3 Dec 2004 20:49:02 -0800

GlobalDisableSerNumGen controls serial number generation for devices which
do not have them. this key only affects the usb stack that shipped on win2k
. if you device has a serial number, this key does not have an affect.

d 

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"Daniel Miller" <dan@invalid.com> wrote in message 
news:Xns95B4A77EA441Bdancarddupercom@216.65.98.71...
> I've implemented this entry in USBFlags, and it succeeded in my original
> requirement, which was adding the physical address to the USB registry
> entry for each device.  However, it is *also* appending the device serial
> number to the key, giving entries such as:
>
>    7&147b5178&0&0857db02225543071004&0
>
> one for each inserted device.
>
> This is ultimately going to be a problem, since this device is a 12-slot
> bulk USB tester/programmer; running at full bore, it could have some
> 15000 devices/day inserted into it... each with a different serial
> number!! Imagine the size of the registry after six months of use (let
> alone *years* of use!!).
>
> (BTW, I looked at my workstation machine, which is *not* a tester and has
> just been used for normal USB access, and there are literally HUNDREDS of
> usb entries under the USBSTOR entry; there are 44 separate descriptors,
> and  each of those descriptors has from 1 to ... hmmm... ALOT!! of serial
> number entries under it!!  This seems like not that efficient of a
> system, somehow... )
>
> I'd *really* like to have ONLY the physical address registered, without
> the serial number.  Is that possible??
>
> More specific questions:
>
> - What if I set GlobalDisableSerNumGen=0 instead of 1, since this is
> actually an Enable field, not a Disable field??
>
> - Is there some way to create a generic IgnoreHWSerNum, along the lines
> of
>
> IgnoreHWSerNum*.*
>
> ??
>
>    Dan Miller
>
>

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