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Thread: Overclocking and RADEON 9800 pro 128 problems




  1. #1
    Join Date
    May 2004
    Posts
    3

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    Hi

    Here's my gear:

    Athlon 2800+ Barton (unlocked)
    1gb dual channel DDR400 pc3200 RAM
    Radeon 9800 pro 128mb
    Asus A7n8x deluxe
    Liquid cooling for cpu
    mean temp. of cpu/motherboard (according to AIDA32) :
    Motherboard: 40 degrees C
    CPU: 22 degrees C
    CPU diode: 35 degrees C
    (i don't know how to check running 9800 temp)

    I've overclocked my cpu to 2.280 ghz memory up to 190mhz aggressive memory and cpu timings...

    I haven't overclocked the radeon.

    I have increased the voltage by one level for both my RAM and my AGP (1.5-1.6 and 2.5-2.6 0 at least I think those are the right numbers; either way its wsomething close to that) I increased my cpu voltage from 1.65 (though it runs fine through stablility tests and so forth) to 1.775 which seems to allow my video card to not crash while i play games (it'll hang or reboot)

    The problem is with my radeon. I have the cooling and such and cpu stability to run my chip at low voltage levels... but my radeon refuses to run in 3d for long... if i bump up my memory mhz to say 195mhz my radeon dies quickly playing games... if i push up the cpu voltage it seemed to help a bit but then sometimes it still cacks out- even though i've done the certificate stability 24 houts test!

    Any ideas would be great! Thanks for your help in advance and happy overclocking!

    Jim

  2. #2
    Join Date
    Jun 2003
    Location
    Sunderland, England
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    529

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    you shouldnt increase the voltage to the AGP.
    have you locked the PCI/AGP bus to 33/66mhz?
    <img src="http://gfx.statgfx.com/old/folding.cgi?&username=metallicat666&teamid=33272&t rans=yes&.jpg" alt="www.Statgfx.com" />

  3. #3
    Join Date
    Nov 2001
    Location
    Texas, USA
    Posts
    4,825

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    What utility are you using to overclock the board? I have had very good luck using Rage3d (available at Guru 3D) and have been able to get my Sapphire board to 439/372. Default speeds of a 9800 Pro are 378 core clock and 338 memory (676MHz DDR speed).
    Old age and treachery will overcome youth and skill
    My Toys

  4. #4
    Join Date
    Feb 2004
    Posts
    95

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    I oced my 9800 to 430/377 with ATITool. I HIGHLY recommend it because you can test the clock to see what you max clock speed can be.

    also use motherboard monitor to get exact vid card temps
    ASUS A7V333
    AMD 3000 XP +
    ATI 9800 XT 256MB
    1 GIG PC 2700
    ANTEC P-160

  5. #5
    Join Date
    Jun 2003
    Location
    Sunderland, England
    Posts
    529

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    er. he didnt say anything about overclocking the video card in fact he said
    I haven't overclocked the radeon.
    also JSN the 9800 pro doesnt have a temp sensor built in so MBM wouldnt show the temp
    <img src="http://gfx.statgfx.com/old/folding.cgi?&username=metallicat666&teamid=33272&t rans=yes&.jpg" alt="www.Statgfx.com" />

  6. #6
    Join Date
    May 2004
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    3

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    I'm not sure if I've locked the pci/agp bus to 33/66 - know how on an ASUS a7n8x deluxe?

    When I turned up the voltage on the agp board, it runs better... should I turn it back- it's not like super bumped up, just like the next 0.1 notch...

    Thanks in advance for all time and help!

  7. #7
    Join Date
    Jul 2003
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    1,393

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    .1 voltage up is alot...

  8. #8
    Join Date
    May 2004
    Posts
    3

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    Ok so I found out that my motherboard- asus a7n8x deluxe- does in fact lock the pci to 33mhz and i have set the agp frequency from auto to 66mhz.... what's next for troubleshooting?

    should i turn my agp voltage back down to 1.5 from 1.6?

    Thanks again!

  9. #9
    Join Date
    Jun 2003
    Location
    Sunderland, England
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    529

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    yes lower the agp voltage back to stock. theres no reason to change it on modern systems
    <img src="http://gfx.statgfx.com/old/folding.cgi?&username=metallicat666&teamid=33272&t rans=yes&.jpg" alt="www.Statgfx.com" />

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