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iM 4,1-14,4 2011 iMac Graphics Card Upgrade
- Thread starter MichaelDT
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Yes, I have native brightness! Wait, you can download these files yourself from the link on page #1
, it is the OpenCore one.Folks, I really like to answer your questions but I am not the „natural language interface“ to our how to page.
Since you have a K2000M you will not get native brightness and there is currently no use for you of the OpenCore. Wait until new vBIOS versions become available.
read the post but can't see the size in Mb or Gb needed for the sdcard or usbkeyYes, I have native brightness! Wait, you can download these files yourself from the link on page #1
Folks, I really like to answer your questions but I am not the „natural language interface“ to our how to page.
Please create a signature with your system. It is nearly impossible to guess which target system you are talking about or dreaming off.
You will need a 2GB SD card and the BalenaEtcher app to install the image on the card.
Just follow the installation instructions provided by @Nick [D]vB and @highvoltage12v in the README and post.
There is probably only two additional hints only for 2011 users with Catalina or Mojave using a Nvidia Quadro K1100M or K2100M:
1. Additionally install all AppleIntelHD3000* files on disk in /S*/L*/E* - only this enables QuickSync.
Follow @highvoltage12v original instructions how to achieve this. You will have to install IOSurface, AppleMCCSControl and the AppleGVA.framwork on disk as before.
2. You cannot have Lilu and Whatevergreen installed and selected in OC at the same time, boot will fail. Deselect from OC in this case. This is valid for all users having a running Mojave/Catalina installation with sleep working and put the OpenCore on top, now.
Currently I try to get this infos added to the README, it is not helpful to spread out all the info on 1001 different posts, here. But because we will have in future only new installations (10.15.4 is out) there is not need to maintain every possible old status.
Attachments
It is on Nick's Catalina Loader image, too. Only the Kext Utility is missing there...
I'm in the same boat! Though I was watching a K1000M that ended up going for £25! Didn't snap it up because it was stuck between getting that or a GTX card. then in my disappointment I rushed to cop another one and bought the wrong thing. lol.
thanks ausdauersportler for your reply again! I saw from the 1st post that my card is not supported from the open core (at the moment at least!) but I was just wondering in case that someone has the k1100m or k2100m and has already flashed it with nicks rom and works... then just installs additionally the open core to have the native brightness control etc.?
Yes, it works in exactly that way. I did this on my complete setup here at home with both card types.
BUT: The Catalina Loader boots only machines with recent firmware versions. Users of unpatched versions of High Sierra or older MacOS versions need a firmware upgrade and even then I cannot guarantee the functionality. I simply have no such system running and the creation of a Sierra bootstick fails all the time :-(
@Ausdauersportler
For your WX4170 imac, as an experiment can you try this:
1. no OpenCore
2. Plug in an external monitor (miniDP)
3. Boot up machine and test the brightness control natively on the imac internal screen.
Thanks.
For your WX4170 imac, as an experiment can you try this:
1. no OpenCore
2. Plug in an external monitor (miniDP)
3. Boot up machine and test the brightness control natively on the imac internal screen.
Thanks.
WX4170: Native Brightness works without OpenCore, but boot screen is gone completely then. Took a while until the LCD switched on.
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Yes, it works!
Sorry... me again 😎, I'm reading through the thread and there seems to be some disagreement as to what cards I could use on my 27" 2011 with a 6770m (see above), some saying that because the heatsink is smaller, you don't need to grind anything down for a MXM-B and some saying that you need the bigger heatsink from the 6970m.
Can anyone clarify which (if either) is the case?
Just received my 880m in the mail today and going to attempt to update from the 6970 in my mid-2011 27inch this weekend. Would find this answer useful to know if I need to get a Dremel off craigslist 😅
Will post updates when I'm done.
i may say short card (mxm-a) short heatsink is fine, long is better, long card (mxm-b) long heatsink
If i were you, i would use the larger 3 copper pipes heatskink for a mxm-b card (if you decide by a n-vidia, you'll need to mod the heatskink to fit the card, and don't use a x-bracket from mxm-b AMD card).
If you gonna use mxm-a, use the smaller heatskink (if you only have the larger One, no problem). Use propper x-bracket.
I've a 675mx NVIDIA mxm-b card, bought a second heatskink to modify, temps are arround 38/40 degrees normal use.
Also buy some good thermal pads to put between mxm vram (and other) chips and heatskink (thermal grizzly, for instance) and a good thermal paste.
if you want to know if "dremelisation" is needed or not, I used some playD.. plasticine to see where chips are
i may say short card (mxm-a) short heatsink is fine, long is better, long card (mxm-b) long heatsink
thanks both... feels like this is definitely something that should be mentioned in the 1st post.
anyone else got any experience installing a MXM B card in a machine that had a 6770 stock?
edit - is the longer heatsink recommended for better cooling? are we sure that the 765m runs as hot as the 6770m? I've read somewhere that they actually run cooler
Sorry, again on the very first page there is a small picture with a table showing some of the TDP values. In most cases the heat sink fits with this power draw - technically every watt you put into your card goes out in form of heat. You probably can google the TDP values of your current card and the card of your dreams, too.
Since you can exchange the heat sink with a three pipe model of the 6970M you have nearly all options when it comes to choose a card. A used heat sink costs around 10 USD.
At the very end your card of choice has a TPD value which has to fit with the heat sink. When both come together you will probably have to grind something of the heat sink away. Sometimes more, and sometimes less. Even the latest 45W TPD card I installed was so big, that I had to grind away a some of my big (100W capable) 9670M heat sink.
If you do not want to use the Dremel at all use a small card...
What do you need more?
I'm pretty happy to be the one to test the possible theory that 6770m heatsink doesn't need modification if I'm safe in the knowledge that the only thing I'm likely to fry in the new card (then I'd just stick the stock card back in and forget about it)
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Ah thanks, didn't see the table had that info. Again as useful as this thread is, theres definitely info missing from that 1st post, no mention at all that you might have to get a new heatsink for example. Like I said before if I end up going through with an upgrade I'd like to make a step by step guide as thats what I feel is missing (not to take away from the great work that people are doing in here)
Can't see any 3 pipe 2011 GPU heatsinks on eBay where I am unfortunately.
EDIT: further investigation - the OP of this thread seems to have run a 680m (with a TDP of 100w) with a 2 pipe 6770m heatsink.
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Ah thanks, didn't see the table had that info. Again as useful as this thread is, theres definitely info missing from that 1st post, no mention at all that you might have to get a new heatsink for example. Like I said before if I end up going through with an upgrade I'd like to make a step by step guide as thats what I feel is missing (not to take away from the great work that people are doing in here)
Can't see any 3 pipe 2011 GPU heatsinks on eBay where I am unfortunately.
EDIT: further investigation - the OP of this thread seems to have run a 680m (with a TDP of 100w) with a 2 pipe 6770m heatsink.
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Since you have a 6770m a k2100m makes the most sense as a drop in replacement for you. If you use a larger card on an MXM-A heatsink certain components will not be covered. If you want backlight control you can also use Open Core with the k2100m for proper backlight control.
uffff... my GTX 860 has an Black screen is my card broken?
boot "noise" black screen..... 20 sec... Fan is loud "black screen" ...i switch to my AMD 6770 and this card is working..... can anyone help me?
must i buy an new card i will usw catalina and this amd card has no acceleration and no transperancy
boot "noise" black screen..... 20 sec... Fan is loud "black screen" ...i switch to my AMD 6770 and this card is working..... can anyone help me?
must i buy an new card
i will usw catalina and this amd card has no acceleration and no transperancy