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    • By michaelgqld
      Hi everyone. I have had a bit of search around but I have not found anything yet pertaining to my issue. I have an Alienware 17 R1 (Late 2013 model). It originally came with an i7 4900, a GTX780m, 120hz 3D panel with intel graphics disabled. I have just got a Dell GTX980m 8GB (BIOS 84.04.2F.00.79 - Device ID 10DE 13D7-1028 05AE) and put it in and it works fine getting into windows and running 2D. However, when I run any decent 3D the graphics constantly hits power limiter and downclocks to around 800mhz. This is confirmed to be power limit in gpuz perfcap reason and this happens regardless of temperature. Running a Unigine benchmark has actually showed the card's performance to be just lower than the 780m I replaced. Using HWiNFO64 I have found that the GPU is being limited to 80 watts. It briefly goes up to over 100 watts but drops to 80.

      Power Supply is 240 watt

      This laptop always runs off mains power and the battery only lasts a few seconds regardless of apparent charge.

      I should also mention that I have tried,
      Setting nvidia control panel power management mode to prefer maximum performance.
      Disabling Battery Boost in nvidia geforce experience
      Setting windows power options to high performance
      I have even installed a fresh windows 10 on a different hard drive and have observed the same result.

      Has anyone else done this upgrade and had no issues, are there any known fixes, is this card faulty or just not going to work correctly.

      Thanks
    • By TheShortStackTech
      I recently got a 2010 27" iMac for free! Some further research concluded that the MXM slot in the iMac has been proven to work with a GTX 880m, including Mac OS! I used to play with a 7970 ghz edition, but ended up selling it for some more projects. I've been lagging along on a 5870 2gb and thought that with my switch to the free iMac, I might as well update my gpu. Heres the problem I was faced with: the 880m is a little underpowered on stock clocks. So, after even more research I discovered that the 980m was around the same as a 7970 performance wise. I ended up grabbing a deal on an 880m for only 160$, but I did want to share my findings with you guys.
       
      *WARNING* ONLY 2009, 2010, AND 2011 IMACS HAVE THE MXM SLOT!!!! IF YOU ARE USING A 2012+ YOU CANNOT UPGRADE YOUR GPU
       
      So the 980m used to work all the way up to mac os sierra. It's now high sierra, but the fix is still pretty simple.
       
      What you will need:
      -thermal pads
      -copper ram heatsinks/ one of the specialized backplates that cools MXM memory modules.
      -Your graphics card
      -YOU NEED an imac 2011 gpu heatsink
      -GOOD thermal paste (Preferably liquid metal if youre comfortable with that)
      -IMAC 2010 power supply
      *As far as i know the power supply's between these 3 imac's are interchangeable, but the largest one is the 2010 variant, at the 310 watts, and the others are much lower.
      *Just from tdp we know that the 980m is 115w and the cpu's on these guys are most commonly 95w, thats allready 200 with out hdd, all the other components etc.
      -nvidia web drivers
       
      READ THE FOLLOWING DIRECTIONS CAREFULLY
       
      Step 1: You must have all your mac os/ windows partitions set up with bootcamp, and MAKE SURE it boots into Mac OS and wont boot into anything else when you start it up AFTER the upgrade.
      *Remember nvidia web drivers must be installed before you upgrae
      Step 2: dremel/ cnc/ remove a couple parts of the VRM section of the imac 2011 heatsink, (You want your card IN HAND so you are able to make sure it fits correctly.
      step 3: Assemble the gpu assembly
      step 4: Re assemble the imac, with the new gpu.
      *This is where is gets slightly harder*
      step 5: You want to reset your iMac's System Management Controller, otherwise known as SMC.
      *DO NOT FLASH NVRAM OR PRAM, or you will have to redo the whole process, after you put your old gpu in to fix all the bootcamp problems and such
      *You can do this by plugging the power cord into your imac, waiting 30 seconds and NOT turning it on, unplug your power cord, wait 30 seconds, then plug it back in. Wait another 30 seconds, then turn it on. (But not before reading the following to be prepared:)
      step 6: You need to force Mac OS to work with an unsupported card. this is a pretty simple process if you are comfortable with terminal.
      * I couldn't have found this without this page: 
      https://www.ifixit.com/Story/18646/Successful_iMac_Upgrade_to_GTX_880M
      "
      To make a non-apple provided Nvidia graphics card work in macOS Sierra you need to do the following…
      Start the computer in safe mode by holding shift.
      Get your BoardID by running this command in terminal
      echo "<result>$(ioreg -rd1 -c IOPlatformExpertDevice | awk -F'["|"]' '/board-id/{print $4}')</result>"
      Open the AppleGraphicsControl Kext using this command
      sudo nano /System/Library/Extensions/AppleGraphicsControl.kext/Contents/PlugIns/AppleGraphicsDevicePolicy.kext/Contents/Info.plist
      Use the arrow keys to go down until you see <key>ConfigMap</key> followed by a bunch of keys and strings.
      LOOK FOR YOUR BOARD ID…
      IF IT IS LISTED: Change the string to <string>none</string>
      IF IT IS NOT LISTED: Add it in the same format as the ones listed.
      Save the file by pressing Ctrl+O, then enter.
      Exit by pressing Ctrl+X
      Rebuild the kernel cache using the following two commands:
      sudo kextcache -system-prelinked-kernel
      AND
      sudo kextcache -system-caches
      Have Fun!
       
      Theoretically this should work, and I would love for somebody to try as I got an 880m instead. Just keep in mind this is all from research and has not been proven to work. Be sure to research this subject before you try it.
    • By Lyserk
      Hi everyone \0/
      I have same problem with upgrade my GT70 (880M stock). I buy 970M from MSI vendor, sawed the heatsink for this card, also I have last version of BIOS and Firmware, but when I try flash vbios nvflash shows ERROR: No NVIDIA display adapters found. I tried to write nvflash --protectoff, reinstall BIOS and Firmware, disconnected the battery BIOS, but nothing! And i see some interesting fact, in BIOS my laptop is signed as GT70-2OC, but if i have 880M it signed as GT70-2PE. I don't undestand, what I need doing?
       

    • By ShineGlizzy
      Hey whats up guys and gals? New member but have been researching here for quite some time.
      I have a...
       
      2011 Alienware M17x R3
      i7-2630QM CPU
      16GB RAM
      Nvidia GTX 460M GPU
      Windows 8.1 Pro x64
       
      I happened to find a good deal on ebay after a heated bidding war lol. So basically I want to upgrade the GPU to get a liitle more performance out of her. A few games have some terrible lag as Im playing. Ive been looking on ebay and doing research on a new one for the past couple weeks. Should I go with a 580m or save the extra money and get a 680m or a 780m? Something along that line. I dont wanna spend too much on a newer GPU. Any opinions would be appreciated!
       
       
    • By Vykyan
      Hi all,
       
      After giving up on trying to use the Maxwell Tweaker II, I'd like to request an unlocked vBios for this Laptop's GPU;
       
      Laptop: MSI Dominator GT70 2QD
      GPU: 970M 3GB
       
      Attached is the stock vBios dumped by me using NVFlash.
       
      Thanks!
       
       
      MSI Dominator GT70 2QD 970M 3GB STOCK vBios.rom
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