Re: IgnoreHWSerNum redux
From: Alexander Grigoriev (alegr_at_earthlink.net)
Date: 12/04/04
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Date: Sat, 4 Dec 2004 08:35:02 -0800
Make sure you set the value as a single byte, NOT DWORD. Older versions of
the host driver used to crash the system in that case, XP version may
survive that (I haven't tried), but it may have side effects, like what you
see.
"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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