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Precision 7530 & Precision 7730 owner's thread

Discussion in 'Dell Latitude, Vostro, and Precision' started by Aaron44126, Jun 27, 2018.

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  1. slimpower

    slimpower Notebook Evangelist

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    Yes, I have updated the BIOS and everything seems fine. If anything, it is even quieter than normal though that may be my imagination.

    Have not tried the reset BIOS trick.
     
    slimpower, Nov 15, 2020
    #3021
  2. Ionising_Radiation

    Ionising_Radiation ?v = ve*ln(m0/m1)

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    I just went back to some of my old benchmarks, and compared the P3200 (with the 67 W VBIOS) and the Quadro RTX 5000 (with the 90 W VBIOS); here's a 3DMark Fire Strike comparison:
    [​IMG]

    Honestly, quite an impressive showing for a two-year-old chassis: a 75% uplift in graphics performance.
     
    Ionising_Radiation, Nov 16, 2020
    #3022
  3. JEAMN

    JEAMN Notebook Consultant

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    It's interesting how much it dropped the CPU portion of the scores. I thought maybe it would be related to starving the CPU of power, but my P4200 uses more power (and presumably generates more heat too) but my CPU scores where just a tad higher than the P3200 for you.

    https://www.3dmark.com/fs/21958439
     
    JEAMN, Nov 16, 2020
    #3023
  4. supermoth

    supermoth Notebook Consultant

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    Computer back and running.
    I just refurbished both ribbon cables and it did work perfectly.
    Thanks for your help once more.
     
    supermoth, Nov 16, 2020
    #3024
  5. Ionising_Radiation

    Ionising_Radiation ?v = ve*ln(m0/m1)

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    Should have included a caveat: that's mainly because my thermal paste has degraded and a re-paste is in order, rather than the GPU starving the CPU of thermal headroom or power (GPU temperatures for both benchmarks were actually very similar).
     
    Last edited: Nov 16, 2020
    Ionising_Radiation, Nov 16, 2020
    #3025
  6. brazzmonkey

    brazzmonkey Notebook Guru

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    I just upgraded BIOS from 1.13.1 to 1.14.4. No need to reset/downgrade, undervolting still works.
    I also have the feeling that fan and CPU managements are slightly different: fan doesn't seem to kick in so often in light loads (although it's too early to be definitive about that - and I haven't repasted in nearly 2 years).
    So far so good, though.
     
    brazzmonkey, Nov 18, 2020
    #3026
    Ionising_Radiation likes this.
  7. Alec Maire

    Alec Maire Notebook Enthusiast

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    Just wanted to confirm here, the latest bios update does not remove the ability to undervolt? Has anyone else had a chance to test this as well?
     
    Alec Maire, Nov 21, 2020
    #3027
  8. Ionising_Radiation

    Ionising_Radiation ?v = ve*ln(m0/m1)

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    Have also updated: my notebook remains undervolted. I reset back to stock settings just in case, but it turns out I never needed it.

    Glad Dell didn't patch this 'bug'
     
    Ionising_Radiation, Nov 21, 2020
    #3028
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  9. slimpower

    slimpower Notebook Evangelist

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    Yes, the fans definitely do not come on as much which makes the laptop a lot quieter. Very welcome update.
     
    slimpower, Nov 22, 2020
    #3029
  10. frostbytes

    frostbytes Notebook Evangelist

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    Can a noob to the reality of undervolting ask: what the real world difference you're seeing with undervolting of this line of machines?
     
    frostbytes, Nov 22, 2020
    #3030
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