1. This forum section is a read-only archive which contains old newsgroup posts. If you wish to post a query, please do so in one of our main forum sections (here). This way you will get a faster, better response from the members on Motherboard Point.

Graphics overclock issue

Discussion in 'ATI' started by Justin Thompson, May 18, 2009.

  1. Hi all,

    Hope you can help.

    I have an ASUS P6T Deluxe V2 Mobo and graphics is an ATI 4870.

    CPU is overclocked from a 2.66 GHtz to 3.33 GHtz and its all very
    stable and runs as sweet as a nut..... with one little foible.

    When I boot from cold - the machine runs fine - but if I play a
    graphic intensive game I generally get some "stippling" (i.e. where th
    epicture is corrupted with bright pixels). its not too bad, but there.
    Now I understand that this happens if the graphics card is
    stressed/overclocked a bit too much.

    But the funny thing is... if I then reboot the machine with a warm
    restart - the problem goes away and I can play all the games and get
    zero "stippling".

    So, what is happening to mean I have the problem only from a cold
    boot? and is there anything I can do to avoid it.
    (P.S. I would rather not mess with the voltages more than I have
    already - and I dont mess with voltages between a cold and warm start
    - so I guess its something else(.

    Any help appreciated.

    PPS... dont go mad on the technical please keep it simple enough that
    I can understand..... ta ;-)
     
    Justin Thompson, May 18, 2009
    #1
    1. Advertising

  2. Justin Thompson

    Augustus Guest

    "Justin Thompson" <> wrote in message
    news:...
    > Hi all,
    >
    > Hope you can help.
    >
    > I have an ASUS P6T Deluxe V2 Mobo and graphics is an ATI 4870.
    >
    > CPU is overclocked from a 2.66 GHtz to 3.33 GHtz and its all very
    > stable and runs as sweet as a nut..... with one little foible.
    >
    > When I boot from cold - the machine runs fine - but if I play a
    > graphic intensive game I generally get some "stippling" (i.e. where th
    > epicture is corrupted with bright pixels). its not too bad, but there.
    > Now I understand that this happens if the graphics card is
    > stressed/overclocked a bit too much.
    >
    > But the funny thing is... if I then reboot the machine with a warm
    > restart - the problem goes away and I can play all the games and get
    > zero "stippling".
    >
    > So, what is happening to mean I have the problem only from a cold
    > boot? and is there anything I can do to avoid it.
    > (P.S. I would rather not mess with the voltages more than I have
    > already - and I dont mess with voltages between a cold and warm start
    > - so I guess its something else(.
    >
    > Any help appreciated.
    >
    > PPS... dont go mad on the technical please keep it simple enough that
    > I can understand..... ta ;-)
    >


    Unless you have specifically overclocked the GPU and graphics card memory,
    the graphics are not overclocked on your system. The issues you are getting
    are likley related to a graphics card that has a flaky memory module, or the
    PCIe bus speed is not locked, or your system overclock. Does it back off at
    3.00Ghz?
     
    Augustus, May 18, 2009
    #2
    1. Advertising

  3. Justin Thompson

    Guest Guest

    "Justin Thompson" <> wrote in message news:...
    > Hi all,
    >
    > Hope you can help.
    >
    > I have an ASUS P6T Deluxe V2 Mobo and graphics is an ATI 4870.
    >
    > CPU is overclocked from a 2.66 GHtz to 3.33 GHtz and its all very
    > stable and runs as sweet as a nut..... with one little foible.
    >
    > When I boot from cold - the machine runs fine - but if I play a
    > graphic intensive game I generally get some "stippling" (i.e. where th
    > epicture is corrupted with bright pixels). its not too bad, but there.
    > Now I understand that this happens if the graphics card is
    > stressed/overclocked a bit too much.
    >
    > But the funny thing is... if I then reboot the machine with a warm
    > restart - the problem goes away and I can play all the games and get
    > zero "stippling".
    >
    > So, what is happening to mean I have the problem only from a cold
    > boot? and is there anything I can do to avoid it.
    > (P.S. I would rather not mess with the voltages more than I have
    > already - and I dont mess with voltages between a cold and warm start
    > - so I guess its something else(.
    >
    > Any help appreciated.
    >
    > PPS... dont go mad on the technical please keep it simple enough that
    > I can understand..... ta ;-)


    I can almost guarantee that at least one overclock setting
    is reverting back to default speed on a warm reboot. That
    would account for the difference.

    Are you overclocking the video card in addition to the cpu?
    You should be able to trace the problem pretty easily: set
    everything back to default speed, then overclock one thing
    at a time and see when the corruption starts.
    >
     
    Guest, May 18, 2009
    #3
    1. Advertising

Want to reply to this thread or ask your own question?

It takes just 2 minutes to sign up (and it's free!). Just click the sign up button to choose a username and then you can ask your own questions on the forum.
Similar Threads
  1. Eric Parker

    Weird Overclock issue.

    Eric Parker, Apr 28, 2007, in forum: AMD Overclocking
    Replies:
    2
    Views:
    701
    Eric Parker
    Apr 28, 2007
  2. Eric Parker

    Weird Overclock issue.

    Eric Parker, Apr 28, 2007, in forum: Asus
    Replies:
    2
    Views:
    361
    Eric Parker
    Apr 28, 2007
  3. Peter

    7900 gto overclock/ bios issue

    Peter, Dec 26, 2007, in forum: Nvidia
    Replies:
    1
    Views:
    328
    First of One
    Dec 26, 2007
  4. bill
    Replies:
    4
    Views:
    883
  5. Frank Zimmer
    Replies:
    13
    Views:
    2,543
    Cydrome Leader
    Apr 26, 2011
Loading...

Share This Page