I've been reading up on this, I dont care about boot screen or brightness control, but even then theoretically I could flash the Apple vBIOS to this card and it would work, right? NVIDIA has paired 8 GB GDDR5 memory with the GeForce GTX 980M, which are connected using a 256-bit memory interface. Received the GTX980M today and installed it on my iMac 27" 2011. What version of the 860m do you have though?

Hey, i DID an upgrade to a GTX 780M with 4 GB RAM on an iMac 27" 2010.

JavaScript is disabled. 09/02/2014 by You must log in or register to reply here. Had to do some mod on the heatsink coz the capacitors are much bigger than the GTX780M. Apple guarantees spare parts for 5 years, and that's it.

It was introduced in Fall of 2014 and is based on the Maxwell GM204 architecture. So my deal with the Precision fell through so I'm looking at an 860m to drop in. Buy 2GB Graphics Video Card Upgrade for Apple iMac Mid-2011 27 Inch Core i5 MAC814LL/A MC814 A1312 Desktop All-in-One PC, AMD Mobility Radeon HD 6970M Replacement Repair Parts: ... NVIDIA GeForce GTX 980M, GDDR5 MXM 3.0B VGA Board Repair Spare Parts 4.0 out of 5 stars 2. I saw people saying the 765m worked but I'd much prefer the 860m for things like game streaming and such.
After a year and a half of problems with my 2011 iMac, the thing finally broke down on me for good. Oh I'm the same guy in MacRumors forum I post the link here so It may help more people: http://forums.macrumors.com/showthread.p... how is this GTX running for you a year later? Unlike the fully unlocked GeForce GTX 980, which uses the same GPU but has all 2048 shaders enabled, NVIDIA has disabled some shading units on the GeForce GTX 980M to reach the product's target shader count. I took it to the Apple Store yesterday and they told me the motherboard and graphics card will have to be replaced, which will run me close to $900 Canadian. Although, it should be the same chip as a 750 or 750ti which is definitely compliant. Have fun working with a black screen and no means to access a 2nd screen.

I have an iMac 27" (mid 2011) series, with a HD6970M 2G in it. Do you think is possible to install a NVIDIA GTX 980M on an iMac 27 MID 2011? Hello. Florian Biebel NVIDIA GeForce RTX 3070 Founders Edition Review - Disruptive Price-Performance, Watch Dogs Legion Benchmark Test & Performance Analysis - 30 Graphics Cards Tested, G.SKILL Trident Z Royal DDR4-4000 MHz CL15 2x8 GB Review, Upcoming Hardware Launches 2020 (Updated Nov 2020), Star Wars Squadrons Benchmark Test & Performance Analysis, AMD Ryzen Memory Tweaking & Overclocking Guide, HyperX Fury DDR4-3600 MHz CL18 2x16 GB Review, AMD Announces the Radeon RX 6000 Series: Performance that Restores Competitiveness, AMD Radeon RX 6000 "Big Navi" RDNA2 Graphics Card Launch Liveblog, AMD Big Navi Performance Claims Compared to TPU's Own Benchmark Numbers of Comparable GPUs, AMD Navi 21 XT Seemingly Confirmed to Run at ~2.3, 2.4 GHz Clock, 250 W+, AMD Launches AMD Ryzen 5000 Series Desktop Processors: The Fastest Gaming CPUs in the World, AMD Radeon RX 6000 Series Specs Leak: RX 6900 XT, RX 6800 XT, RX 6700 Series, ASUS Seemingly Drops Support for AMD Ryzen 5000 Series CPUs on X470 Motherboards, the Company Responds, AMD Radeon RX 6000 Series "Big Navi" GPU Features 320 W TGP, 16 Gbps GDDR6 Memory. GeForce GTX 980M is the world’s fastest mobile GPU. Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster. Sadly it only works on external display, not the main iMac display.

here is my trial to live. And apart from opening ur iMac and installing the new gfx, is there any firmware job required? I found the thread on MacRumors that you pulled those pictures from. (Assuming I can get one). Accessibility. A little info regarding sas boards, chasis boards, portable bay boards, Which 3080 should I buy? If you want to flash a pc's videocard to use it on an iMac, you need a laptop with a mxm connector for the videocard like the one on your iMac. Well... it was kind of working, nice fast clock speed. My dream is over... Was going down the Nvidia road on a late 2009 27"Core 2 Duo system using the web-drivers for gtx660m2gb - replacing a 256 MB ATI card. Also lost my e-SATA connection to a 2nd external hard drive... aaargggg. Before the flash, my card was stucking at 400 MHz core clock.

Set your OS environment up before installing the card to your iMac. Problem here is also, that there is no real alternative source, because MXM-cards are often special dedicated parts. I bought the card from eBay and the seller said he pulled the graphics card right out a brand new Clevo laptop. Cancelling your GPU Pre-orders!!!!!!!!!!!!!!!!!!!! I'm looking at Alienware gtx780 cards that have 4gb video memory. Installation was moderate and the performance gain is huge. Anyone tried that? There's the kepler and maxwell variants, most use the maxwell which is a bit different. For a better experience, please enable JavaScript in your browser before proceeding. GMacUser was able to upgrade to a 680m, and it seems to have worked pretty well for him. It does boosts the energy consumption of the system to double. My iMac has SSD hard drive and I'm have a lot of space for graphics card. Quite a pity.
Help needed to find a SFF or Micro product that will drive a 49". The card is also compatible to MSI and Alienware. Florian Biebel. The GM204 graphics processor is a large chip with a die area of 398 mm² and 5,200 million transistors. Card is definitely UEFI compliant, but I can't find anyone using it on macOS. Terms — The 765m is the same price anyways.

I'm also looking at the GTX 980 with 8gb video memory. How do you flash the bios on the video card? So, if you want to buy a card, look for these three manufactures to be compatible with. I don't want to spend the extra cash to get the same defective graphics card, so I'll likely shell out the money and get myself a MacBook Pro. Download the latest Nvidia drivers before you change your card. A Siri Remote Alternative For $30 (Function101 Button Remote). Hi guys, im about to upgrade my GPU of my iMac from mid 2011 - 2,7 Ghz i5 from a HD 6770M to a GTX 980M pulled out of an Alienware laptop. Which leaves your in unsupported GPU in the dark so you don't have a working screen whatsoever. It's getting hot in here! Performance estimated based on architecture, shader count and clocks. Now the beast is unleashed. I think I'm gonna order an 860m from a seller that accepts returns and just chance it. The GeForce GTX 980M was a mobile graphics chip by NVIDIA, launched in October 2014. Model A1312 / Mid 2011 / 2.7 & 3.1 GHz Core i5 or 3.4 GHz Core i7 Processor, ID iMac12,2. if you use yos or elcap its ok so I read? Sure i can. When I compare pictures of my card, it seems to be able to accomodate for a MXM-B series. I found a Dell Precision M6600 with a FirePro M8900 gpu for dirt cheap locally and from what I'm reading this is exactly the same as the 6970m. $269.99. If somebody needs a working Nvidia GTX 660m/2gb- or has a working one pulled from a iMac card 2gb+ please let me know. However, a 680m MXM is $500-600 online, and a 780m MXM is even more. But take care, you'll probably will lost your boot screen. What with efi? I have already a heatsink which should be able to cover the MXM-B type. But take care, you'll probably will lost your boot screen. I found this one: http://www.materiel.net/accessoire-pour-... Just to save you some time here! It boots... but thats it for good news. Just picked up a 2011 27" for a hell of a deal with a bad GPU and looking into replacements for it.

Do I need to upgrade to imac 2012 efi? Capable of driving high-end desktop gaming at ultra settings on your favorite AAA titles in sleek and more portable form factors. hello together, I have an imac 27 "from mid-2011.

Capable of driving high-end desktop gaming at ultra settings on your favorite AAA titles in sleek and more portable form factors. I would like to improve its graphics card. Without a proper firmware code on your GPU & system, this is a no go!

can i modify BIOS non apple GPU with windows PC? Will those work? https://www.ifixit.com/Story/18646/Successful_iMac_Upgrade_to_GTX_880M, https://www.techpowerup.com/vgabios...le&model=&interface=&memType=&memSize=&since=, SwitchArcade Round-Up: ‘Crimzon Clover’ and ‘Pixel Puzzle Makeout League’ Reviews, Mini-Views, Plus Today’s New Releases and Sales, The ‘XCOM 2 Collecton’ Will Come to Android in 2021, Multiplayer May Be Considered for iOS and Android in the Future, Action Platformer ‘Slimes and Monsters’ is the Premium Follow-Up to ‘Knights and Slimes’ and is Coming November 12th, Phenomenal Boxing Game ‘PrizeFighters’ is Getting a Sequel in December, Beta Testing Underway, SwitchArcade Round-Up: ‘Torchlight III’ Review, Mini-Views Featuring ‘Part-Time UFO’ and More, Plus the Latest Releases and Sales, Best iPhone Game Updates: ‘Dead Cells’, ‘Card of Darkness’, ‘Death Road to Canada’, ‘Fruit Ninja’, and More, ‘Orwell’s Animal Farm’ Releases Next Month on PC and Mobile Platforms, ‘Danganronpa’ and ‘Danganronpa 2’ Are Currently 68% Off on the App Store and Google Play for a Limited Time. The 680m also has a higher TDP (thermal design power), which means more heat inside your iMac. I wanted to render stuff on this machine. @flobiwankenobi.

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