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unique hardware ID

  • 30-07-2008 8:18pm
    #1
    Overheal
    Registered Users, Registered Users 2 Posts: 86,729 ✭✭✭✭


    Im taking my machine in for repair to swap out the motherboard and GPU

    however i want to be sure theyre actually going to replace it and not just tell me they did. im paranoid that way.

    in what way can i distinguish one identical piece of hardware from another?


Comments

  • #2
    ironclaw
    Registered Users, Registered Users 2 Posts: 8,004 ✭✭✭ironclaw


    UV Marker and Lamp

    A mark in a specific place

    Take a photo, some newer / older boards have slight variants.


  • #3
    charlesD
    Closed Accounts Posts: 194 ✭✭charlesD


    Yeah I agree with ironclaw that opening the case and putting a mark on both would be a good idea. You might also ask for the old ones to be returned.

    Usually it is something that can be done pretty easily though, so you might consider doing the sway yourself.


  • #4
    Col_Loki
    Registered Users, Registered Users 2 Posts: 2,761 ✭✭✭Col_Loki


    Your motherboard should have a built in Network Card, this card will have a Physical Address (MAC Address) which will be unique.

    To find it Click Start -> Run -> Type in "cmd" and click ok.
    In the Dos screen type in "ipconfig/all" and press enter. Scroll up until you see Physical Address and write it down.

    Other way is to get a black marker and put an X somewhere on the graphics card/motherboard (or colour in the corner).


  • #5
    Overheal
    Registered Users, Registered Users 2 Posts: 86,729 ✭✭✭✭Overheal 


    Microsoft Windows [Version 6.0.6001]
Copyright (c) 2006 Microsoft Corporation.  All rights reserved.

C:\Windows\system32>ipconfig /all

Windows IP Configuration

   Host Name . . . . . . . . . . . . : Tachikoma
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : cfl.rr.com

Wireless LAN adapter Wireless Network Connection:

   Connection-specific DNS Suffix  . : cfl.rr.com
   Description . . . . . . . . . . . : Intel(R) PRO/Wireless 3945ABG Network Con
nection
   Physical Address. . . . . . . . . : 00-1B-77-C3-29-7C
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::30f8:5184:f90a:7bf2%9(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.1.108(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : Wednesday, July 30, 2008 5:50:27 PM
   Lease Expires . . . . . . . . . . : Thursday, July 31, 2008 5:50:27 PM
   Default Gateway . . . . . . . . . : 192.168.1.1
   DHCP Server . . . . . . . . . . . : 192.168.1.1
   DNS Servers . . . . . . . . . . . : 65.32.5.111
                                       65.32.5.112
   NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Realtek RTL8101E Family PCI-E Fast Ethern
et NIC (NDIS 6.0)
   Physical Address. . . . . . . . . : 00-1B-24-8F-FD-62
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 6:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : isatap.{CB006B13-4EA5-4D8D-B76A-EC0EF6D2C
5AD}
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 7:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
   Physical Address. . . . . . . . . : 02-00-54-55-4E-01
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 9:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : isatap.cfl.rr.com
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

C:\Windows\system32>

    just pasting here for my own reference :p thanks Loki thats an awesome tip


  • #6
    Col_Loki
    Registered Users, Registered Users 2 Posts: 2,761 ✭✭✭Col_Loki


    Happy to help.


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  • #7
    calex71
    Closed Accounts Posts: 13,126 ✭✭✭✭calex71


    Overheal wrote: »

    i want to be sure theyre actually going to replace it and not just tell me they did. im paranoid that way.

    reminded me of this http://ie.youtube.com/watch?v=8DsAwt8vf6Q theres 2 parts im sure most of you lads have seen it b4 :D


  • #8
    ironclaw
    Registered Users, Registered Users 2 Posts: 8,004 ✭✭✭ironclaw


    MAC Address's are NOT globally unique and can be cloned...

    So, not a fool proof way.


  • #9
    Jonathan
    Moderators, Education Moderators, Home & Garden Moderators Posts: 8,259 Mod ✭✭✭✭Jonathan


    ironclaw wrote: »
    MAC Address's are NOT globally unique and can be cloned...

    So, not a fool proof way.
    I highly doubt the shop is gonna go to the trouble of cloning MAC addresses.

    Is there no serial number on the motherboard and gfx card?


  • #10
    Col_Loki
    Registered Users, Registered Users 2 Posts: 2,761 ✭✭✭Col_Loki


    I highly doubt the shop is gonna go to the trouble of cloning MAC addresses.

    Is there no serial number on the motherboard and gfx card?


    I take it he has a laptop given the Wireless card showing up under network adapters so its harder to get to.
    MAC Address's are NOT globally unique and can be cloned...

    So, not a fool proof way.

    lol, all you want to do is see if the MAC addresses change.

    Spoofing a MAC Address.....that would be a pretty crazy step for them to take to be honest. Were not exactly talking about specialists here....


  • #11
    Khannie
    Registered Users, Registered Users 2 Posts: 37,485 ✭✭✭✭Khannie


    Col_Loki wrote: »
    Spoofing a MAC Address.....

    Never gonna happen.

    Also, chance of a duplicate from the same manufacturer is basically zero.


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  • #12
    charlesD
    Closed Accounts Posts: 194 ✭✭charlesD


    Khannie wrote: »
    [spoofing a mac address]Never gonna happen.

    Also, chance of a duplicate from the same manufacturer is basically zero.

    I agree that it would be highly unlikely, but it is definitely possible without too much effort, which is why I suggested putting a mark on the actual motherboard and processor.

    The odds of them actually doing it are pretty small, but if I were planning on scamming someone for a new motherboard/processor and the labor to change it, I would take the time to spoof the Mac address.

    I think the mark would be the easiest, quickest, and most reliable way to ensure it is replaced. Well that and asking for your old hardware back.


  • #13
    Overheal
    Registered Users, Registered Users 2 Posts: 86,729 ✭✭✭✭Overheal


    well I took the operating temp on the GPU down too. Ill expect a replacement card would at least be somewhat lower than what I had (which was 62C idle)

    Its already been picked up by fedex and its on its way across the country now :/ I just hope it doesnt turn into some epic battle between me and hewlett packard (because bets are I'd win)


  • #14
    The_Conductor
    Moderators, Society & Culture Moderators Posts: 32,286 Mod ✭✭✭✭The_Conductor


    Overheal wrote: »
    well I took the operating temp on the GPU down too. Ill expect a replacement card would at least be somewhat lower than what I had (which was 62C idle)

    Not necessarily- the new nVidia cards run incredibly hot......


  • #15
    ironclaw
    Registered Users, Registered Users 2 Posts: 8,004 ✭✭✭ironclaw


    smccarrick wrote: »
    Not necessarily- the new nVidia cards run incredibly hot......

    True. Newer gear can be hotter. Did you make a physical mark?


  • #16
    Overheal
    Registered Users, Registered Users 2 Posts: 86,729 ✭✭✭✭Overheal


    No I didn't. Machines back in hand. They wiped the hard drive :( I'd be mad at them but I backed it all up and on the bright side firefox is loading hella fast again - but I havent installed any updates yet :)

    new MAC data:
    Microsoft Windows [Version 6.0.6000]
Copyright (c) 2006 Microsoft Corporation.  All rights reserved.

C:\Users\test>ipconfig /all

Windows IP Configuration

   Host Name . . . . . . . . . . . . : test-PC
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : knology.net

Wireless LAN adapter Wireless Network Connection:

   Connection-specific DNS Suffix  . : knology.net
   Description . . . . . . . . . . . : Intel(R) PRO/Wireless 3945ABG Network Con
nection
   Physical Address. . . . . . . . . : 00-1B-77-C3-29-7C
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::30f8:5184:f90a:7bf2%11(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.1.101(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : Monday, August 11, 2008 7:49:42 AM
   Lease Expires . . . . . . . . . . : Tuesday, August 12, 2008 7:49:41 AM
   Default Gateway . . . . . . . . . : 192.168.1.1
   DHCP Server . . . . . . . . . . . : 192.168.1.1
   DHCPv6 IAID . . . . . . . . . . . : 268442487
   DNS Servers . . . . . . . . . . . : 69.1.30.27
                                       69.1.30.26
   NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Realtek RTL8101 Family PCI-E Fast Etherne
t NIC (NDIS 6.0)
   Physical Address. . . . . . . . . : 00-1B-24-9B-70-59
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 6:

   Connection-specific DNS Suffix  . : knology.net
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::5efe:192.168.1.101%12(Preferred)
   Default Gateway . . . . . . . . . :
   DNS Servers . . . . . . . . . . . : 69.1.30.27
                                       69.1.30.26
   NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter Local Area Connection* 7:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Tun Miniport Adapter
   Physical Address. . . . . . . . . : 02-00-54-55-4E-01
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e50:348e:1b42:3f57:fe9a(Pref
erred)
   Link-local IPv6 Address . . . . . : fe80::348e:1b42:3f57:fe9a%18(Preferred)
   Default Gateway . . . . . . . . . : ::
   NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter Local Area Connection* 9:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : isatap.{CB006B13-4EA5-4D8D-B76A-EC0EF6D2C
5AD}
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 10:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : 6TO4 Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

C:\Users\test>

    00-1B-77-C3-29-7C......... thats not supposed to be a match right? Thats wireless though: the Ethernet MAC is new.

    According to the warranty the reset the disk (bastards!) swapped the system board and did work on the Heat sink - which I understand is the root of the nvidia card issue. Until further developments Im satisfied.


  • #17
    Col_Loki
    Registered Users, Registered Users 2 Posts: 2,761 ✭✭✭Col_Loki


    00-1B-77-C3-29-7C......... thats not supposed to be a match right?

    They Probably just switched the Motherboard and used the old Wireless card (it is just a little card that connects to the Motherboard).


  • #18
    Overheal
    Registered Users, Registered Users 2 Posts: 86,729 ✭✭✭✭Overheal


    thats what i was figuring.


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