Sapphire HD 6950 1GB unlocked to HD 6970 1GB!
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Thread: Sapphire HD 6950 1GB unlocked to HD 6970 1GB!

  1. #1
    . Jaskanwar Singh's Avatar
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    Default Sapphire HD 6950 1GB unlocked to HD 6970 1GB!

    Card Used/Needed -

    SAPPHIRE HD 6950 1GB GDDR5
    SAPPHIRE HD 6950 2GB GDDR5
    SAPPHIRE HD 6950 2GB GDDR5 Dirt3 Edition


    Stock Settings (I am using a 1GB version) -


    A Little Story Behind -
    I had overclocked my card to 900/1275 and was going to overvolt to get further. Before that i decided to read some user experiences at newegg. Saw this -
    Bios Switch unlocks 6970 shaders.
    So thats how the fun began.

    How to Unlock -
    1. You need to have a Sapphire HD6950 with a dual fan cooler. 1GB or 2GB both have good chance of unlocking.
    2. Make sure the card is running at stock 800/1250.
    3. Turn off the system, open the cabinet side panel and locate the BIOS Switch on the card. Its near crossfire bridge connector.
    4. Flip the switch towards right.
    5. Reboot.
    6. Open GPU-Z and you shall see this hopefully -

    7. Now you can overclock it to 880/1375 (the HD6970 speeds) (Note - Every card is different. Some cards may need overvolting to get to 880/1375. Overclock at your own risk)

    My Overclocking Update -

    This is at Stock Volt.

    Temps during BC2 (UPRIVER) -


    Benchmark Comparisons -




    UNIGINE -
    Last edited by Jaskanwar Singh; 10-12-2011 at 10:22 PM.
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    Steam ID - HD6950, Origin - Jas9009, UPlay - Jas808

  2. #2
    Alpha Geek
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    Default re: Sapphire HD 6950 1GB unlocked to HD 6970 1GB!

    awesome stuff mate... wonder why this went unnoticed for so long... pic of the BIOS switch would help some members i think..

  3. #3
    . Jaskanwar Singh's Avatar
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    Default re: Sapphire HD 6950 1GB unlocked to HD 6970 1GB!

    thanks rajan.
    bios switch is too small buddy. difficult to get good pic. tried.
    Steam ID - HD6950, Origin - Jas9009, UPlay - Jas808

  4. #4
    Alpha Geek kapilove77's Avatar
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    Default re: Sapphire HD 6950 1GB unlocked to HD 6970 1GB!

    any chance for me to unlock?
    PC Rig - i5 2500k @4.5Ghz 1.37v|Asus P8Z68 V-Pro|2x4GB 1600Mhz G.skill RipJaws|Corsair TX650v2|Seagate 3TB 7200RPM+Seagate 2TB 7200RPM|Crucial MX100 256GB|OCZ Vertex 4 128GB|Logitech MX510+Logitech K200|CM Elite 431|CM Hyper 212+|Dell ST2220L|MSI R6950 Twin Frozr III Power Edition/OC :D

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  5. #5
    Super Moderator Skud's Avatar
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    Default re: Sapphire HD 6950 1GB unlocked to HD 6970 1GB!

    This is killer! Some benchmarks would be helpful.

    @kapilove77: MSI had released a BIOS and instructions to unlock the shaders earlier for that card. Google it.
    Gaming Rig:i7 2600K | CM N620 | ASUS P8Z68 Deluxe | 2x4GB RipjawsX DDR3 1600 | Samsung 840 EVO 250GB | Logitech G510 | Logitech G400 | Sapphire HD6950 1GB | BenQ G2420HD | Corsair HX750 | Lancool K62 | Wireless Xbox 360 Controller
    HTPC Rig: A8 6600K | F2A88XM-D3H | 2x4GB HyperX Fury DDR3 1866 @ 2400 CL11 | OCZ Vertex 3 120GB | MS Wireless Desktop 2000 | Samsung 32" | Corsair CX500 | Silverstone LC10
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  6. #6
    iDota Sarath's Avatar
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    Default re: Sapphire HD 6950 1GB unlocked to HD 6970 1GB!

    Haha 6970 users burn in hell

    Oh wait!

    On a serious note nice little tutorial up there. i wish there was such a trick for 6970 users too but nvm
    [CENTER][URL="http://goo.gl/D2Cb3"][SIGPIC][/SIGPIC]™[/URL][SPOILER][URL="http://goo.gl/35yYT"]◊ Online Shopping guide[/URL] ◊ [URL="http://goo.gl/3hyiq"][B]PS3™ master guide[/B][/URL] ◊ [URL="http://goo.gl/K4qhr"]PS3™ vs PC ◊[/URL]
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  7. #7
    . Jaskanwar Singh's Avatar
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    Default re: Sapphire HD 6950 1GB unlocked to HD 6970 1GB!

    benches coming soon skud. let me oc first

    thanks sarath.

    UPDATE -

    now its a full 6970 (except less vram) -


    temps during BC2 (UPRIVER) -


    will post unigine and 3dmark11 tomorrow.

    no voltage tweaking done!
    Steam ID - HD6950, Origin - Jas9009, UPlay - Jas808

  8. #8
    Forum Moderator
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    Default re: Sapphire HD 6950 1GB unlocked to HD 6970 1GB!

    @jassy, congo man. free gift. lucky

  9. #9
    Super Moderator Skud's Avatar
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    Default re: Sapphire HD 6950 1GB unlocked to HD 6970 1GB!

    What about noise? I have read this card is noisier under load (just like other dual fan cards). Even my single fan's noise is audible at 50% and above in winter when the ceiling fan doesn't spin.
    Gaming Rig:i7 2600K | CM N620 | ASUS P8Z68 Deluxe | 2x4GB RipjawsX DDR3 1600 | Samsung 840 EVO 250GB | Logitech G510 | Logitech G400 | Sapphire HD6950 1GB | BenQ G2420HD | Corsair HX750 | Lancool K62 | Wireless Xbox 360 Controller
    HTPC Rig: A8 6600K | F2A88XM-D3H | 2x4GB HyperX Fury DDR3 1866 @ 2400 CL11 | OCZ Vertex 3 120GB | MS Wireless Desktop 2000 | Samsung 32" | Corsair CX500 | Silverstone LC10
    Audio Gear: Altec Lansing VS2421 | ASUS Vulcan ANC | HiFiMan RE-0
    Storage: 2x250GB Ext | 2x500GB Int | 2x1TB Int | 1x1TB Ext | 3x2TB Int | 2x2TB Ext | 1x3TB Int
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  10. #10
    Wise Old Owl mithun_mrg's Avatar
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    Default re: Sapphire HD 6950 1GB unlocked to HD 6970 1GB!

    ^^ i think the noise even if it will be during gaming which is easily overtaken by the speakers/heaphones u use
    congrats jas
    [B][I]Corei3-530@4.5,MSI P55-GD65,Gskill 4G,Coolit ALC,Tagan 500W,XFX 6850@1000/1200,MX 518,Razer Abyssus,Avermedia Pcie TV,Audigy,VS3251,Transcend MP330 8Gb, PL11, PMX 60,PSP 3000 , Galaxy 551,Nokia C1-02.[/I][/B]

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