Windows System Software -- Consulting, Training, Development -- Unique Expertise, Guaranteed Results

Before Posting...
Please check out the Community Guidelines in the Announcements and Administration Category.

RE: How windows decides on device instance key name in case of Hardware

Don_Burn_1Don_Burn_1 Member Posts: 4,311
There is a logic to it, it is not documented. It is a pain in the ass
to try to decode.


Don Burn (MVP, Windows DKD)
Windows Filesystem and Driver Consulting
Website: http://www.windrvr.com
Blog: http://msmvps.com/blogs/WinDrvr




> -----Original Message-----
> From: santosh katvate [mailto:xxxxx@gmail.com]
> Posted At: Monday, May 31, 2010 9:31 AM
> Posted To: ntdev
> Conversation: How windows decides on device instance key name in case
of
> Hardware Key
> Subject: How windows decides on device instance key name in case of
Hardware
> Key
>
> Hi
>
> In below given regkey, Is the value for "P&PPP&P&PPP" decided by OS
randomly
> or Is there any strict logic behind that?
> Also is the naming based on system components installed on the
Motherboard.
>
>
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\PCI\VEN_XYZ&DEV_XYZ&SUB
SYS_XY
> Z&REV_A2\P&PPP&P&PPP
>
> thanks
> santosh k
> --
> Life is Small and Lots of Things to Learn Lets Share the Knowledge
>
>
> __________ Information from ESET Smart Security, version of virus
signature
> database 5158 (20100531) __________
>
> The message was checked by ESET Smart Security.
>
> http://www.eset.com
>

Comments

  • David_R._CattleyDavid_R._Cattley Member - All Emails Posts: 2,112
    .. and 'opaque' to the outside world meaning that the OS is free to change
    how it does it from rev to rev. Not that it has changed. But we are
    constantly reminded that "it might".

    Good Luck,
    Dave Cattley


    -----Original Message-----
    From: xxxxx@lists.osr.com
    [mailto:xxxxx@lists.osr.com] On Behalf Of Don Burn
    Sent: Monday, May 31, 2010 9:33 AM
    To: Windows System Software Devs Interest List
    Subject: RE:[ntdev] How windows decides on device instance key name in case
    of Hardware

    There is a logic to it, it is not documented. It is a pain in the ass
    to try to decode.


    Don Burn (MVP, Windows DKD)
    Windows Filesystem and Driver Consulting
    Website: http://www.windrvr.com
    Blog: http://msmvps.com/blogs/WinDrvr




    > -----Original Message-----
    > From: santosh katvate [mailto:xxxxx@gmail.com]
    > Posted At: Monday, May 31, 2010 9:31 AM
    > Posted To: ntdev
    > Conversation: How windows decides on device instance key name in case
    of
    > Hardware Key
    > Subject: How windows decides on device instance key name in case of
    Hardware
    > Key
    >
    > Hi
    >
    > In below given regkey, Is the value for "P&PPP&P&PPP" decided by OS
    randomly
    > or Is there any strict logic behind that?
    > Also is the naming based on system components installed on the
    Motherboard.
    >
    >
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\PCI\VEN_XYZ&DEV_XYZ&SUB
    SYS_XY
    > Z&REV_A2\P&PPP&P&PPP
    >
    > thanks
    > santosh k
    > --
    > Life is Small and Lots of Things to Learn Lets Share the Knowledge
    >
    >
    > __________ Information from ESET Smart Security, version of virus
    signature
    > database 5158 (20100531) __________
    >
    > The message was checked by ESET Smart Security.
    >
    > http://www.eset.com
    >


    ---
    NTDEV is sponsored by OSR

    For our schedule of WDF, WDM, debugging and other seminars visit:
    http://www.osr.com/seminars

    To unsubscribe, visit the List Server section of OSR Online at
    http://www.osronline.com/page.cfm?name=ListServer
Sign In or Register to comment.

Howdy, Stranger!

It looks like you're new here. If you want to get involved, click one of these buttons!

Upcoming OSR Seminars
Developing Minifilters 29 July 2019 OSR Seminar Space
Writing WDF Drivers 23 Sept 2019 OSR Seminar Space
Kernel Debugging 21 Oct 2019 OSR Seminar Space
Internals & Software Drivers 18 Nov 2019 Dulles, VA