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mac pro 4.1

  1. yohanes.ai

    MP 1,1-5,1 Mac Pro 5.1 Sequoia OCLP

    Hi I'm iOS developer that required Sequoia to develop in iOS 18. I need to upgrade my Mac Pro 4.1 Flashed to 5.1 from Monterey (xCode only support 16.4 iOS) to Sequoia. My Mac Pro using RX 580. Is there any possible way to achieve this using OCLP? Thanks
  2. M

    MP 1,1-5,1 MacOs wont boot with sapphire rx580

    Hello everyone, i bought myself a Mac Pro 4.1 and i put in some x5690 cpus which work fine, but when i installed the Sapphire RX580 no boot screen and nothing loaded, no video signal, it does boot on Windows but not on MacOS, it gives me the beep, and than it just stays there, when i press the...
  3. yohanes.ai

    MP 1,1-5,1 Mac Pro 5.1 WiFi Network Issue after OCLP Monterey

    Hi I have Mac Pro 4.1 Flashed to 5.1 and Installed with OCLP 5.1 with Monterey. After installation completed and I have root patch and build and install open core, everything seems fine until my WiFi cannot connect to the network. I can see the list of my network but somehow when I click on of...
  4. Aryan-x86

    MP 1,1-5,1 Best MacOS Version for performance on MP5.1 for Devs?

    Hi, I plan on using my 5.1-flashed MP4.1 with a single X5690, MVC flashed GTX 970, 32GB RAM, for developing iOS apps in xCode. Now I believe I have to use xCode 15, which requires MacOS Ventura. I am guessing that upgrading all the way to Ventura is impossible, and even if it isn't, I think...
  5. 5

    Mac Pro 5,1 with Opencore, Windows 11 installer couldn’t create a new partition or locate an existing one

    I’m trying to get Windows 11 installed on my cMP running Monterey with Martin Lo’s OC and I’m stuck with an error saying ”Windows 11 installer couldn’t create a new partition or locate an existing one” when I’m choosing the drive to install to. I’ve tried formatting the drive but it won’t fix...
  6. R

    MP 1,1-5,1 Mac Pro 4.1 > 5.1 + Radeon RX 580 8GB + OpenCore 0.6.7 Big Sur 11.7.7

    Hello, I'm struggling on the last step of the quest to make my 2009 4,1 (firmware upgraded to 5,1) Mac Pro a decent color grading station again. Have already succeed upgrading the firmware to 5.1, installing Open Core 0.6.7 and Big Sur 11.7.7, got all the PCI cards working, Da Vinci Resolve...
  7. S

    MP 1,1-5,1 MacVidCards Europe Radeon RX 6800/RX 6600XT for Mac Pro 4,1/5,1 benchmarks

    Radeon RX6800 16 GB is now the fastest card for Mac Pro 4,1/5,1 with standard EFI boot screen. You can see EFI boot screen even without any HDD/SSD installed at all. macOS Monterey 12.2.1 works natively without any patches. You just need to either move Monterey from supported Mac or install it...
  8. ADDvanced

    MP 1,1-5,1 Build Thread: 12 core 4,1 Video Editing Monster on a Budget

    Starting this post to document my 4,1 build, with a goal of being a very inexpensive, capable video editing platform. I have a small youtube channel (I build cars/boats/vans/sleds/bikes) that has been growing so I've been doing a lot more editing this past year. I had a heavily upgraded Mac...
  9. ccrivia13

    MP 1,1-5,1 CPU upgrade Mac Pro 4.1 (single CPU)

    Hey everyone! I would like to upgrade the CPU in my Mac Pro 4,1 - xeon w3520 to x5690. I now read that a delidding might be necessary. Mainly about be dual CPU models, but also about the single CPU models, such as mine. Now I wanted to ask if it really is necessary or recommended (in this...
  10. ccrivia13

    MP 1,1-5,1 Titan X 12GB - Mac Pro 4.1

    Hey, after planning a CPU upgrade for my Mac Pro 4.1 I am also looking forward to upgrade my GPU. I found many great options, but one card that would really interest me is the GTX Titan X (12GB). So far my only concern would be power consumption. Can anyone possibly tell me if the Titan X...
  11. A

    MP 1,1-5,1 MacPro 4,1 dual processor upgrade problem x5680 CPU’s

    Hello, I am hoping someone can help as this problem has me scratching my head. I have a dual processor Mac Pro 4,1 that originally had dual e5520 CPU’s. I have updated the firmware (and rom) to make it a 5,1. I have installed two de-lidded x5680 CPU’s. System booted up fine with original dual...
  12. Macta

    MP 1,1-5,1 X5690 Dellided dead or not?

    Hi, I bought 2 X5690 on ebay, the seller ensured me they were 100% working. (seller is feedback is 100% with about 800 sales) I delidded them with the vice method (not testing them before I did (silly me)) I found the delidding whent very easy, the removel of the solder was a bit nerve...
  13. M

    Flashed Mac Pro 5,1 strange High Sierra upgrade phenemenon

    I have a flashed to 5,1 '09 Mac Pro that had been happily running all OSs up to Yosemite and then Sierra on an OWC SSD, for maybe 4 years. A little while ago I re-flashed with a newer version that was said (on a forum devoted to the flashing process) to be necessary for High Sierra, and Sierra...
  14. ammoune78

    Mac Pro 4,1 (Early 2009) mainboards compatibility for replacement

    Hi, I have a Mac Pro that actually have a faulty second logic Board that have a circuit that was pulled off by mistake, it's working but makes cpu board fans running at full speed. Now according to the original board of the Mac Pro, that came with parts number: *J595100UJBH7A* 939-0459 CHINA &...
  15. zedsdeadbaby

    Sapphire 7950 HD "mac edition" laggy

    Hi everyone, apologies if this is discussed in another thread... Recently bought a 'mac edition' Sapphire 7950 HD for my 2009/2012-upgraded 12-core cheese grater. Previously I had the stock GTX 120 and it was time for an upgrade... I've been seeing laggy performance with it, as bad if not...
  16. Zhldev

    Hello, I have some question about mac pro 4,1 early 2009

    Hi, today I bought a Mac pro 4,1 8core 2.26, 20G RAM 1066, and I want to constantly upgrade it to a 5,1 12 core. I have some questions and hope some one can give me some advice: 1. I just bought it at 370$, is it a little bit over price or just right? 2. if I just upgrade the firmware to 5,1...
  17. t8er8

    Mac Pro 3,1 upgrade to 4,1 or 5,1

    I picked up a new graphics card, a sapphire Rx 560, I have a Mac Pro 3,1 so doing plenty of research thinking it would work be cause I had a hacked version of high Sierra running on it. It failed to run and the suspect is the ancient system bus they have in the Mac Pro 3,1. I haven’t heard...
  18. DivianBE

    Which graphics card upgrade for mac pro 4,1

    Hi, I was wondering. I do have a mac pro 4,1 with 18GB RAM (3x4GB + 3x2GB) and 2x 2,26GHz CPU running on several SSD's for both OS and scratch disk. I'm currently using a 27" screen but resolution doesn't seem very good with the standard card, which made me consider... Still running Mavericks...
  19. L

    Mac Pro 4,1 GPU Upgrade for 4K UHDTV

    I'm looking to upgrade my current ATI Radeon 5870 to a 4K Card but don't know which would work best on my 4K TV. Can anyone recommend a good NVIDIA GTX card compared to the Sapphire 7950? My Mac is used mainly for watching movies and as a Plex server. Its connected to my 75" Sony 4K TV and It...
  20. N

    Tips and tricks: upgrading processors on a Mac Pro

    I have a dual-CPU Mac Pro 4,1 w/ 5,1 firmware. I am planning on upgrading the CPUs. What tips/tricks/information should I know before doing this? I have looked at a couple of sites explaining the process, but I'm still looking to gather information. If I screw up, a replacement tray/new CPUs may...