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Found 9 results

  1. TheShortStackTech

    GTX 980m iMac support

    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.
  2. Hello! My name is Arman! I from Armenia, and sorry for my English! I have iMac Late 2013 with Intel core i5, 8Gb, NVIDIA GeForce GT 750M 1024 Mb. I have Boot Camp installation on my iMac (now i have 7 Windows, but i can update it to 10 or 8 Windows) I discover that there is an Akitio 2, wich can use with iMac 2013 for productivity increase. I want to use akitio 2 with GTX 1050 ti 4Gb, but i dont know how it is intalling on iMac? Who can write for me the process of installation ALL equipment (akitio 2 + GTX 1050 ti + imac)? What i must to do? I talking about from the very beginning to the very end. PLEASE everyone, help me. You are my last chance !!!!
  3. B1acKxSouL

    2015 imac E-Gpu setup

    I'm new to this forum and have been trying to gather information on building my own E-Gpu set up for my 2015 iMac I have the 27 inch model. However, I'm still pretty lost on a few things. I'm aware that an external moniter is needed ..I guess I'm wanting to know if anybody else here has a setup that has worked well for them with a decent write up on the complete process beginning to end.
  4. billmavra

    iMac+EXP GDC+M.2

    Hi guys i am new to the forum and i would like to start with a question. I have an iMac late 2013 2.7 no dedicated graphics and i would like to install an egpu. I have seen many of the suggestions you have in the forum but i would like you to tell me your opinion about what i am thinking to do. I want to teardown the imac + buy the exp gdc m.2/ngff edition and connect it on iMacs ssd slot using this adapter. http://eshop.sintech.cn/ngff-m2-pcie-ssd-card-as-2013-2014-2015-macbook-ssd-p-1139.html. 1) Do you think it will work properly? 2) i was thinking to pass the cable through one of the air ventilation holes on the bottom of the iMac. Can anyone that has exp gdc tell me if it will fit? Thank you in advance.
  5. Can I use the akitio thunder 2 and 1050 ti card? Anybody have tried this project? I do not need to buy a PSU.I'm glad if someone who tried it shares their experiences. CPU:4570R EXTERNAL GPU = NO (available İris Pro 5200)
  6. Hi. I have build 4 egpus stations based on Akitio and 980ti. After eGPU Script i can work with two of them on Sierra. But when I plug 4 of them (no matter if i use two thunderbolt cables(2x2) or one (1x4)) my imac 5k won't boot and it's stuck not even making a startup sound. The same thing with three. Only two gpu's setup works perfect. Can anyone have any idea what can be wrong and how to fix this? Thank You P.S. I have also tried the bootcamp and windows 10 sees all 4 of them but only one is active and renders in octane bench. I have the same problem with booting as in macos, so i have to do it by hot plugging thunderbolt cable.
  7. My setup: iMac Late 2013, 2.9GHz i5 PCIe: Akitio Thunder2 Pcie Box (Powered using barrel plug method) GPU: Galax Geforce GTX 970 Sniper Edition PSU: Corsair VS450W Monitor: Acer Ultrawide XR342K 34" I follow the installation guide from this videohttps://www.youtube.com/watch?v=--pL5iRhpmU I installed CUDA 8 Drivers for Mac and follow the video but then I have this problem with icon appearing as glitches and also the browser seems to glitch out. How do I fix this?
  8. After i run the script for egpu install automation my system sees the card, but Octane demo don't see any CUDA cores. Anyone could help me with this? What could be the matter? imac 5k, sierra, 980ti, akitio
  9. Hello guys, I have iMac 12,2 with TB1 and i want to upgrade it with eGPU. I decided to buy TH05 or TH04 (it doesn't metter). But I read that it's a problem to buy it now. Are there still any offers of TH05/TH04 or I need to buy somthing like: Echo express boxes(Sonnet - Thunderbolt Storage, Adapters & Expansion Boxes) or AKiTiO Thunder2 box and etc. ? Thanks in advance.
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