Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

mac pro 5.1

  1. L

    MP 1,1-5,1 Resistor value (R4270) in the dual processor tray of Mac Pro 5.1

    Hi, I recently acquired a Mac Pro 5.1 dual processor tray, when checking it I noticed that a resistor is missing from the motherboard, as I could see in pictures on the internet it would be R4270. Could someone tell me what is the value of the resistor? Thank you very much!!! I attach a couple...
  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. M

    MP 1,1-5,1 Upgrading OS to catalina or sequoia?

    Hello, i was thinking to upgrade my macos to catalina with opencore as i have purchased a new 5500xt for gaming in windows. Iam curently running a 5,1 macpro with the stock hd5870 for bootscren and the 5500xt. Till now i have been on high sierra 1.13 but the 5500xt isnt suported until 1.15...
  4. O

    MP 1,1-5,1 1080ti voltage problem, strange sound from video card / please HELP

    Hi everyone! Please help to find a solution. I have Palit 1080 ti 11 Gb, connected through PIXLAS mode in my Mac Pro 5.1. When I'm trying to play the games, i have a message in MSI Afterburner "LIM Voltage/Power Voltage" sometimes it's disappear, and strange sound from video card (like piiiiii...
  5. Y

    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...
  6. 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...
  7. Aryan-x86

    MP 1,1-5,1 Second GPU with Mac Pro 4.1 / 5.1 (RTX 3070)

    Hi there, I have a Mac Pro 4.1, flashed to a 5.1, running Windows 10 only through Bootcamp. I am currently using a MVC Flashed MSI GTX 970, with boot screen and I upgraded my other PC's GPU today, and I have a leftover RTX 3070 that I plan on using for a new build later this year. Now I'm...
  8. O

    MP 1,1-5,1 NVME M2 Speed changing between 800-1700 MB/s Mac Pro 5.1 Windows 11 PLEASE HELP

    Hi Everyone! Please help me to solve it. 2xXeon 5690 64gb 1333 RAM RX580 8Gb 240 Gb SSD GoodRam connected through diskrom (Windows 11 installed here) 1Tb M2 KINGSTON SNV2S1000G installed through adapter Frime PCI-E x4 to M.2 (B & M Key) NGFF (ECF-PCIEtoSSD001.LP) Im searching my solve almost...
  9. Raphaël10

    MP 1,1-5,1 Flashing an RX580

    Hello, i have an 2009 Mac Pro flashed to 5.1 running High Sierra. I want to buy a AMD Radeon RX580. Macvidcards it’s to expensive for me, so I want to know if I can flash it by myself to have a bootscreen. I want to have a dual boot macOS/Windows.
  10. M

    MP 1,1-5,1 Monterey won't boot after restore VMM flag and SMBIOS to default, Opencore Martin Lo.

    I've BigSur on an ssd on a pcie slot, and Monterey newly installed in another, I've installed Monterey after turning ON the VMM flag and SMBIOS spoofing OFF, but when it finished, and reset the two tweaks to default to get full acceleration as recommended by Marin Lo, Monterey can't boot, it...
  11. T

    MP 1,1-5,1 5,1 GT120 & HD5770: No video output via DP to Ultrawide Display

    Hey gang, I recently acquired a 2012 5,1 that came with no drives and RAM. Got it home and tried to get it booted using the HD5770 connected to my LG 35" Ultrawide via the mini DP on the card to the DP on the display. No output whatsoever. Basically no signal detected by the display as it...
  12. T

    MP 1,1-5,1 Can the 5,1 run the AMD 7000 Series under Windows 11?

    I've done a fair amount of searching and can't seem to find an answer to this question. Is it possible to run an AMD 7000 series GPU in a 5,1 under Windows? I know the 6000 series can run with the Syncretic firmware patch, but the 7000 is lower power and actually cheaper to buy than the 6000...
  13. Cheekyrobot

    MP 1,1-5,1 mac pro 5.1 mac os ventura amd radeon rx560 - black screen aftter boot PLEASE HELP

    Hi, I am new to the forum hopefuly some gentle soul can help me =) I decided to upgrade my mac pro 5.1 from monterey to ventura through open core patcher but since my gtx 970 has no metal capabilities i decided to buy an amd rx 560 which is polaris 21 architectural. I need metal because logic...
  14. Whipmaker

    MP 1,1-5,1 DVD causing random restarts

    I have a 2010 Mac Pro 2010 5,1 For the last 2 months it has been experiencing random restarts, always late at night when no one's around and the only way for me to tell it has in fact restarted is that a 8TB drive that I use for Time Machine has not loaded This drive has never loaded on a...
  15. culser

    MP 1,1-5,1 Mac Pro 2012 5.1 red lights on CPU board

    2 red lights on the cpu board have come on, i don't remember when. what do they mean Mac Pro 2012 5.1 2 - 6 core 3.46Ghz / bootRom 144 installing Monterey as the time and date of this post Please advise
  16. Black Ninja Original

    MP 1,1-5,1 MacPro 5.1, Opencore and best macOS 2023 for audio

    Hi! I have a MacPro 5.1, macOS Mojave, 96GB RAM, Kyrom.2 aquacomputer with Samsung 970 EVO SSD, Allegro Pro USB3.2 PCI Card and NVIDIA Quadro K5000 for Mac. I work with music production in Logic Pro and use tons of plugins (Waves, Izotope, Fabfilter, Native Instruments, IK Multimedia and...
  17. 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...
  18. P

    MP 1,1-5,1 Mini PCIe to PCI wifi card

    Hi everyone, I have upgraded Mac Pro 5.1 with a working Fenvi T919 wifi-bluetooth card in the PCIe slot and I've recently received this mini PCIe to PCIe card https://www.aliexpress.com/item/4000809732039.html I tried installing this card in miniPCIe (wifi) slot on mac pro motherboard and...
  19. 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...
  20. 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...