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Thread: I Bricked my 7850 after changing bios.




  1. #1
    Join Date
    May 2014
    Location
    Poland
    Posts
    6

    Default I Bricked my 7850 after changing bios.

    Actually my card is working fine (except im on my old pc with 4 core athlon and i needed to install 2nd windows on my 2nd hdd) because i roll back to my old bios but i just want your attention to help me to choose proper .rom to let me OC my card past 1050mhz.

    So like i write in title i bricked my 7850 asus 2gb gpu. I recently had issues with 14.6 drivers but i fixed that. However watchdogs isn't working like it should (or maybe game is very bad optimized) and i was mad because i couldn't oc my card (it always crashes after 1050mhz [i tried asus gpu tweak/msi afterburner/trixx/few others none worked and looks like changing voltage doesn't work [i can change them but gpu-z shows it is still the same]).

    So i decided to change bios and i set up dos flash pendrive with 2 .roms

    I used one of those techpowerup.com/vgabios/index.php?architecture=ATI&manufacturer=Asus&model =HD+7850&interface=PCI-E&memType=&memSize=2048

    015.017.000.000.000861 << that bios i installed
    015.017.000.001.000000 << original bios oc blocked

    I'm not sure which one i take (because there are like 6 same bioses - are they the same or i should try to use them?). So i start up my pc again and get into dos using my pendrive and wrote dir and then backup my original bios and then atiflash~1 (idk why it wasn't just atiflash) -p -f 0 asus7850.rom after last line generated by dos i restarted my pc and my screen was black.
    I went to sleep and later next day i build my old pc with my gpu and tried to recover old bios, which i done pretty easy, atiflas~1 -p -f 0 backup.rom and i could see everything again.

    And I'm idk which bios i need to use to unlock OC past 1050mhz my gpu :<

  2. #2
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
    Posts
    9,250

    Default Re: I Bricked my 7850 after changing bios.

    all 7850's should oc,they arnt bios locked

    watchdogs plays poor for any gpu,terrible stuttering atm,maybe a game patch will fix it

    use sapphire trixx and try 1150mhz core 1375mhz memory and 1.160v,if unstable try 1.180v and set the power control to 20%
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  3. #3
    Join Date
    May 2014
    Location
    Poland
    Posts
    6

    Default Re: I Bricked my 7850 after changing bios.

    even using 1.250V (i flashed my bios and set my default voltage to 1.25v and i can choose higher clocks) isn't stable and my pc and i need to add 20% power limit (didn't tested anything in between 1-19% :>)

    and i need 1.25 to just reach 1150mhz so i'm pretty sure my chip is either dreadful or locked
    i was using msi afterburner to oc

    EDIT: i think i gonna roll back to original 1.21 voltage but with changed max core/mem limit
    Last edited by corinarh; 05-30-2014 at 11:20 PM.

  4. #4
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
    Posts
    9,250

    Default Re: I Bricked my 7850 after changing bios.

    look in gpu-z right click on it and see what the asic quality is of the card

    think mines around 74% I have two 7850's msi twin frozr3,they oc fine
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  5. #5
    Join Date
    May 2014
    Location
    Poland
    Posts
    6

    Default Re: I Bricked my 7850 after changing bios.

    80,6% and oc terrible i suppose higher = better?

  6. #6
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
    Posts
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    Default Re: I Bricked my 7850 after changing bios.

    they should oc well

    maybe your using too much voltage? tried with less?

    they usually scale in MHz along with voltage so 1100mhz and 1.100v and so on
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  7. #7
    Join Date
    May 2014
    Location
    Poland
    Posts
    6

    Default Re: I Bricked my 7850 after changing bios.

    i just tired with changing bios to

    1)1.225V 1250mhz +20% power worked fine
    2) 1.250v 1250mhz +20% power worked fine
    3) 1.180v 1250mhz +20% power driver crashed and after close dota2 i got plenty of artefacts and needed to restart my pc
    4) roll back to default with better max clocks 1.210v i'm testing it right now

    EDIT: 1.2120v is working using 1150mhz so far /w +20%power limit
    Last edited by corinarh; 05-31-2014 at 02:36 AM.

  8. #8
    Join Date
    May 2014
    Location
    Poland
    Posts
    6

    Default Re: I Bricked my 7850 after changing bios.

    i pull of my gpu from old pc and put it in new pc again but i noticed i'm getting bluescreens with 1.21v and 1150mhz or even 1050mhz what the hell i could reach that easily on old pc but can't on new one with better psu?

    what should i do? or maybe 14.6 drivers are worse than 14.4

  9. #9
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
    Posts
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    Default Re: I Bricked my 7850 after changing bios.

    try the 13. drivers,they tended to be most stable,i havnt run any benches yet on 14.6

    games run ok at 1050/1375 and stock voltage
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  10. #10
    Join Date
    May 2014
    Location
    Poland
    Posts
    6

    Default Re: I Bricked my 7850 after changing bios.

    which one 13.1, 13.4, 13.9 or 13.12?

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