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mac pro 5.1

  1. E

    Monterey Install loop with Open Core Legacy

    Hello! I need help please. I am trying to install Monterey via Open Core Legacy on a Mac Pro 5.1 (high sierra) and the instalation never finishes. The computer keeps restarting after the progress bar finish and goes back to the disk selection (pictures attached) and go again to a progress bar...
  2. Caligator

    Maximum RAM 4 slots

    I'm experiencing slow performance and wondering if my RAM configuration is slowing my Mac Pro mid 2012 5.1, 3.2 GHz Quad-Core Xeon. Running Big Sur 11.7.1 with Opencore. I have 48 GB 1066 DDR3 ram, 2 x 16; 2 x 8 set up. Here's a pic of the config. How should I configure for max performance...
  3. Dashingsuper

    MP 1,1-5,1 Mac Pro 5,1 can't boot to Mac OS Installer from flash drive

    I just recently bought a Mac Pro 5,1 that was used, and I am attempting to reinstall mac OS on it as the hard drive was 100% wipes, no partitions or anything, I know that it works as I get display out and before I bought it, I got it to boot to a Linux flash drive so the USB ports work and I've...
  4. B


    Hello everyone! I need some help with my cMP 5.1 Bought a 2nd hand XFX Radeon VII, saw it working on the computer it was pulled off from. Got home, replaced my RX 590 NITRO+ SE with the Radeon VII and got no boot screen on any output port on the GPU. Plugged back my 590 and everything works as...
  5. B

    MP 1,1-5,1 Install Windows 10 next to Monterey w/ OCLP, Mac Pro 5,1

    Install Windows 10 next to Monterey w/ OCLP, Mac Pro 5,1 I'll try to be to the point: I have a Mac Pro 5,1 with an RX 6600XT (patched w/ friends PC for boot screen), dual 1TB NVMEs on a single PCIe, one for Monterey and one for extra space. I also have a 1TB SATA disk that I wanted to install...
  6. 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...
  7. J

    Dual monitor change picture syncronization

    Hi, I've searched almost everywhere for advice or a suitable script that would restore the same order and start from the same image set in rotation on two monitors when the monitors wake up. This problem does not occur after restarting the computer and after waking up from the "screen saver"...
  8. Mic-M4c

    Resolved Full speed of the FRONT FAN after BCM94360CD (BT+WiFi) Module upgrade

    Hi all ! Today I've proceeded to the long awaited upgrade of the WiFi and BT in my Mac Pro5,1 (mid 2010) Monoprocessor 6-core @3,33GHz SDRAM 48GB@1333MHz Radeon RX 560 4Go > I've replaced the original WiFi by this one : BCM94360CD > I have fully disconnected (USB alim and antenna) the...
  9. Jamesconnery

    MP 1,1-5,1 Mac Pro 5.1 Audio problem

    Hey all , I have been plagued with no sound showing up in the system preferences. I have reinstalled Mavericks more than once however the problem still persists. I have attached two screen captures, one show the lack of built in sound in the system preferences and the other shows error...
  10. V

    MP 1,1-5,1 MacOS High Sierra can't show image with Nvidia Quadro K1200

    Hello everyone, So I got a Mac Pro 5,1 (2010) and installed the Nvidia Quadro K1200 in Slot 1 (and switched the HD 5770 over to Slot 2), In the system info it recognizes the ATI Radeon HD 5770 and underneath it is the K1200, but it recognizes it as "Display" and the display I plugged into the...
  11. T

    Holding down the option key has no effect

    My Mac Pro 5,1 Early 2009 — With two 6-Core Intel Xeon Processor 3.33 GHz — Metal:Supported, feature set macOS GPUFamily2 v1 — 32 GB RAM — My Apple wired aluminum keyboard works at startup after install of High Sierra, followed by Mojave. However, there are couple of keyboard combinations that...
  12. M

    MP 1,1-5,1 Mac Pro Triple boot

    Hi everyone, I'm sorry to start a new thread here about that but can't find the one I followed... it was a 300+ pages one about installing windows on a Mac Pro 5,1. it's been months I haven't been here and every threads on this subject seem to be talking about open core (with is not the method...
  13. M-L-R

    Resolved MP5,1 using Big Sur 11.6 - Generally good so far

    So far (2021, Sept 19) Big Sur 11.6 generally works well (Mac Pro 4,1 flashed to 5,1). 11.5.2 to 11.6 took about 45 minutes including multiple (natural) auto-restarts. ----------------------------------------------------- I only (rarely) get hanging-reboots when I'm experimenting with...
  14. Fabian_

    MP 1,1-5,1 Upgrade suggestions Mac Pro 5.1 (mid 2010) for DaVinci Resolve

    Hello I have a Mac Pro 5.1 mid 2010 with NVIDIA GeForce GTX 680 2048 MB 2 x 3,46 GHz 6-Core Intel Xeon it has a "Generic AHCI Controller" (whatever that is) and the system runs on a 1TB SSD drive. Also, I can connect USB3 drives via an expansion slot. At the moment I have High Sierra...
  15. M

    MP 1,1-5,1 Windows dual boot on mac 5.1

    I have a mac 5.1 with 4 SSD's in it, 2 are for my mac and 2 are empty i want to use them for windows. I want to install windows via USB, made it bootable multiple times on different usb's and every time it goes trough after changing some settings in windows CMD (Shift-F10) & i have tried a...
  16. G

    MP 1,1-5,1 stuck on boot screen

    Hi all, I was really hoping someone here can help me, as the title suggests I have mac pro 5,1 stuck on the boot screen. I have a single core 5,1 x5690, an rx 580 or gtx 680, ssd (both pcie and the sata 2 drives), was recently running big sur 11.2.3 via opencore and windows 10 on a separate...
  17. S

    Upgrade to M1 Mac Mini from Mac Pro 5,1 (need advice)

    I'm using Mac Pro 5,1, running Catalina (using DosDude patch, and for some reason can't update beyond 10.15.1). Processor: 2 x 3.46 GHz 6-Core Intel Xeon. Memory: 48 GB 1066 MHz DDR3 (usually about 50% usage, maximum 65%) Graphic card: Radeon RX 580 My current setup/use; STORAGE: - 1TB NVME...
  18. jrillathegreat

    Mac book 5.1 GPU advice

    Wondering if the Apple Mac Pro AMD Radeon Pro 580X MPX Module w/8GB of GDDR5 GPU Mac Pro 2019 would work in Mac Pro 5.1! If not I would love to know which gpu's will work out the box and have efi. Thanks in advanced!
  19. R

    HELP PLEASE! Upgrading OS from El Capitan to High Sierra

    Hi all, I have searched google, dosdude and where ever possible online but to no solution so any help would be great. I have recently acquired Mac Pro 5.1, which has El Capitan 10.11.6 as an OS. I am trying to upgrade the OS to High Sierra but having no luck. I keep getting the High Sierra...
  20. R

    MP 1,1-5,1 Big Sur on Mac Pro 5.1

    Hello, I'm thinking of installing Big Sur on my Mac Pro 5.1 (6 core 3,33GHz, Nvidia GTX 680 Mac Edition, 48GB RAM, Samsung 860 EVO SSD, upgraded Bluetooth/Wi-Fi card). Currently, it's running Catalina with no problem. What's been your experience with Big Sur on a Mac Pro 5.1?