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Thread: unlocked HD3850 512mb bios

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  1. #1
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    Quote Originally Posted by the-strokes View Post
    saaya:
    club3d may use the same layout as powercolor
    ..if so u can FLY it with pencil :



    well yeah, i thought the difference between powercolor and club3d cards was too big to use the same bios but apparently the same bios seems to work on all 3850 512mb cards? or are his powercolor and club3d all the same pcb with different mosfets and caps on them?

    thanks a lot for the infos but i dont have a pencil and i dont like pencil mods... i never rma hardware i killed and pencil mods wear off which is annoying... plus they cant be adjusted accurately which is annoying as well :P

    Quote Originally Posted by gurusan View Post
    Why wouldn't it work? they are both 512mb 3850s, no?
    does a maximus xtreme bios work on all x38 ddr3 mainboards?

    for videocards its different since there are few pcb revisions and most cards are almost identical, or lets say there are groups of cards that are very very similar to each other afaik. i didnt know his powercolor and club3d cards apparently all use the same or a very similar pcb so the bioses are compatible.

    Quote Originally Posted by gurusan View Post
    Ok well I just did my first pencil vmod. The-strokes...thanks for that pic.

    Stock resistance on the one resistor was 2.66....brought it down to 2.41 but my PCB is a bit different and don't know where to measure the vgpu. Hopefully I'm not roasting it?

    Anyway so far it's stable @ 891/1080 ....temps don't go over 40c

    I also have a question....I am using CCC to overclock and atitool to scan for artifacts. Ever since I unlocked overdrive I haven't been able to set my clocks with ATiTool....they just revert back to whatever I have set in CCC....and my CCC slider only goes to 900mhz.

    1) Is there any way to extend the slider range in CCC?
    2) How can I use ATITool to set my clocks again?
    damn that sucks man...
    good thing i didnt unlock my cards overdrive.
    no idea how to fix this... maybe send w1zzard an email and ask him and simultaneously contact ati tech support?

    i cant use atitool at all.. it freezes as soon as it loads...
    atitool was acting very weird anyways, i uninstalled it in the remove software menu, rebooted and it was still there. so i deleted all the atitool files and rebooted and installed the latest atitool version. maybe thats causing the problems now? well how do i properly uninstall ati tool?

    im using 3dmark2006 canyon flight to check for artifacts and im shocked! i can bump the memory clock from 1800 to 2150 and only see a few tiny black artifacts on the water surface. damn this samsung gddr3 1.0ns mem club3d is using clocks very well!
    at 1050 i dont have any artifacts whatsoever after several loops 2k6 canyon flight.

    may stable gpu clock so far is 780. stock cooling, no mods...
    im either lucky and got a very good card or guru3d and w1zzard at techpowerup received bad clocking samples for their reviews

    guru3d only got 750 2100 stable and w1zzards sample only did 750 1900

  2. #2
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    gurusan, i dont really trust the gpu reading in rivatuner either...
    it shows 50 degrees in idle and then jumps to 56 and back to 50 within a second... and under load the max temp, even when oced to 780, was 67 degrees... which i dont think is right.

    the back of the gpu is around 50 degrees id say, the gpu should be 10 degrees higher. id add 10 degrees to the rivatuner readings.

    the cards are still running VERY cool compared to 2900xt!
    and even compared to 8800gt and 800gts g92 they are running cool

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