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Lapping the G400 :)

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  • Lapping the G400 :)

    Earlier this week I decided to remove my G400 to try some new cooling ideas with the chip and memory, when I popped the heatsink off the G400 (Tennmax Lasagna), I noticed the heatsink compound wasn't making contact in the middle of the chip!(I always use as little compound as possible)
    So using a tooling guide, I checked out the heatsink and found it to be perfectly flat, so on to the g400...
    What I found was that the G400 chip had slightly raised edges on all four sides!
    With some 600 grit sandpaper, I carefully sanded off the edges (used a permanent marker on the edges as a guide) bringing the surface to a much flatter and smoother finish(I then repeated this on my memory chips as they have heatsinks on them as well)
    I was only able to get 3 more mhz out of the core and memory, I feel confident that the chips are running much cooler now than they were before which should extend the lifespan of the card
    (note the speeds I reached were 3 higher than in my sig but I run at the sig speeds as there's not a large difference in performance just cooler chips)
    jim

    ------------------
    Abit BE6 with P3 500 @ 5*124=620
    14.6 gb Maxtor ata66 and 128mb ram
    G400 vanilla 32mb @ 168/210
    Sblive with Altec Lansing speaker combo
    384k DSL and Realtek nic
    Windows 98se with DX7a
    3dMark2000 = 2956
    Worn out reset button :O)

    PIII-500mhz @ 620 ! with an Abit BE6 mobo
    128mb pc-100 cas 2
    Mill G400 (vanilla!!!) 32mb @ 167/208 with MGATweak-417mhz, (2.5, 2, 2.5), PD 5.5010 & bios 1.5-22
    Maxtor 14.3 gb Uata66 hdd
    SB Live!
    Winblows 98se & DX7
    and 384k DSL!

  • #2
    OoOOOOoohhhhHh
    NNiiiiiiiiIIIIce!!!!!
    To bad there isn't a boardmonitor on it!!

    p.s. are you the same DuRaNgO[MU] but with [MU] Xtra??
    I do not know, do you?

    Comment


    • #3
      yeah, my pasword was lost when I changed my e-mail and typed it in wrong lol
      PIII-500mhz @ 620 ! with an Abit BE6 mobo
      128mb pc-100 cas 2
      Mill G400 (vanilla!!!) 32mb @ 167/208 with MGATweak-417mhz, (2.5, 2, 2.5), PD 5.5010 & bios 1.5-22
      Maxtor 14.3 gb Uata66 hdd
      SB Live!
      Winblows 98se & DX7
      and 384k DSL!

      Comment


      • #4
        e-mail ant, he will change it for u

        Comment


        • #5
          did already
          no word back yet
          PIII-500mhz @ 620 ! with an Abit BE6 mobo
          128mb pc-100 cas 2
          Mill G400 (vanilla!!!) 32mb @ 167/208 with MGATweak-417mhz, (2.5, 2, 2.5), PD 5.5010 & bios 1.5-22
          Maxtor 14.3 gb Uata66 hdd
          SB Live!
          Winblows 98se & DX7
          and 384k DSL!

          Comment


          • #6
            What kinda performance increase did u see when u O/Ced your G400??? I'm thinking about O/Cing mine, just wondered if it was worht it?

            ------------------
            Cel366@468 -BE6 -128mb's PC133 -G400SH32mb -SBLive! Value w/ LW3.0 -Quantunm SE U66 7200rpm 9.1Gb -Pro120 200/100/10mbps ethernet.
            Cel366@468 -BE6 -128mb's PC133 -G400SH32mb -SBLive! Value w/ LW3.0 -Quantunm SE U66 7200rpm 9.1Gb -Pro120 200/100/10mbps ethernet -40xvdrom -16x/40x Pioneer DVD.

            Comment


            • #7
              Hey, check this out, it is an .xls document that compares the fps on differently clocked G400 in Quake2 and Breakneck. BTW, it's also done on a Celeron 458.
              Someday, we'll look back on this, laugh nervously and change the subject.

              Comment

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