cmp 5.1

I have a cMP 5,1, geforce gtx760, dual tray, 64 gb ram, 2 x HDD, 1 x SSD, 1 x NVME (pcie). No bootscreen. With a lot of sweat and doubts I managed to install Monterey on a freshly formatted HDD. Idea was just to test opencore to get the lay of the land. My normal system is Mojave on a...

I've installed Ventura 13.5 on my cMP 5,1 using Open Core Legacy Patcher 0.6.8. Things are working well except for the videos I took with my iPhone 12 Mini. In Photos, they'll play, but there's an exclamation triangle in the upper left corner. When I click on it, it shows an error dialog that...

Hi I am trying to pull something potentially very stupid. Turning cMP into a Hackintosh by running Proxmox and sticking Ventura into the VM. and obviously I am failing with boot-loop https://media.discordapp.net/attachments/1137073669240266812/1137323802469077022/image.png the machine is...

Hope that someone can help with some issues I have with installing Monterey on my 5.1 from 2012. Using Opencore 0.6.2. - cannot complete installation on NVMe M.2 hdd on PCIe card in second (GPU is in the first) PCIe slot/lane. It goes for some time (progress bar showing) then reboots and...

I think you might not seen my post. So im making a new thread. Can you help me guys? i have mohave 5.1 mp and had to come back to my flashed radeon 7950 because my rx580 died. Now how to remove open core from the efi patition? Just deleting oc and boot from efi part is enough? do i have to...

Hi all, wanted to start this as a tracking thread as I work on a strange startup issue. I will be posting excerpts from my blog here as I work through the issue. If anyone seeing this recalls a similar thread here a link would be appreciated. my ongoing blog post on the issue is here...

Have Mac Pro 5,1 that I’m having problems booting. It loads is to about 3/4 on progress bar and stalls. Have recently installed open core legacy patcher to run big sur and does the same using open core boot picker. Ok this is what I’ve tried so far Reset pram, changed battery on main...

Hi there - I have done a lot of reading, but am looking for a little more info on how to install Win10 on my 5,1 that has h9826790's Opencore running off a USB stick. In it he mentions it has "Firmware protection (to run Windows in EFI mode without risking the cMP bootROM)". I see that this...

Hi there, I'm using a Mac Pro 5.1 from 2010 with native Windows 10 Pro version 1909 installed. Bootrom: 144.0.0.0.0 No OpenCore or other 3rd party BootManager Is it save to allow the upgrade to Windows 10 20H2 with the normal windows feature update ?. I use 2 MP 5.1 (one with several macOS...

I own a single CPU cMP 2009 and a dual CPU cMP 2010, both working well. The older 4,1 machine has been flashed to 5,1 and both have Bootrom v144 installed. I like the case of the 4,1 machine better as it looks nicer from the outside and seems less worn from the inside, so I want to use it with...

Have a 2010 5,1 cMP currently with a flashed AMD R9 280X card that has worked perfectly for several years but is now becoming temperamental... and probably will need to be replaced. Was looking at the AMD RX580 / RX590 cards - they are it seems a little bit faster than the R9 280X (approx...

Hi there to ALL and @tsialex , I would like to ask you for some specific unrecovered MacPro 4.1/upged to 5.1 PROBLEM I have 2 CPUs board and Iam not able to use any of 5–8 RAM slots - With tem MAC not boot or unattended shutdowns ... I realy does "everything" from 12 different 100% checked sets...

Hello everyone, I need some advice on how to make a Titan Xp work on a Mac Pro. After installing and using pixlas mod to power the graphics, it all seemed to work. Cuda and latest NVIDIA drivers are installed and seems to be recognised. However, the Titan doesn't seems to be working, as I...

I'm attempting to get VMware Fusion working on a cMP 5,1. I have version 11.5.3 installed. When I launch it, I get this error: From VMware's website, they say my machine isn't supported. However, I read another post from people trying to run VMware Fusion 12. One person suggested downgrading to...

Hi, I've upgraded my mac pro 5.1 new GPU - Sapphire Radeon RX 580 Pulse OC 8GB GDDR5 and I bought two dell displays P2419H because on my old LG ultrawide I got a bad pixels. Everything works, but quality of graphics and fonts are bad, not smooth. I've tested HDMI output and result is the...

I have a cMP 5, 1 running mac os catalina (10.15.5) with a sapphire rx580 GPU and i cant figure out how to boot into windows. I dont have a RW DVD or CD thats blank. I have a 32gb flashdrive to try and install windows 10 on my Mac. Im using a modified copy of bootcamp from a MBP running high...

Hey folks, I'm wondering if someone can help me. I've been struggling for a few days with a grey boot screen when booting my 5.1 (4.1) Mac Pro. I installed Windows in what I thought was legacy mode using VMWare Fusion on macOS using the .vmdk method. Afterwards I could boot into Windows 10...

I have a heavily upgraded MP 5,1 (12-Core 3.46Ghz with 64GB of 1333mhz RAM, a PCIe SSD Boot Drive, and all 4 Sata Bays populated with large hard drives) with a flashed NVidia GTX 780 (6GB) video card using display port to drive an ultra-wide LG monitor. This system has been running fine for...

I recently re-authorized (in iTunes) my 4,1 --> flashed 5,1 High Sierra CMP and noticed an alarming phenomenon. All had been well with the machine and things looked fine after the authorization but I soon noticed that free space on my boot SSD (a 500GB Mercury Extreme Pro from OWC) had shrunk...