refindplus

Hey everyone, I’ve got a CMP 5,1 with an RX580 that has no boot screen. I installed Refindplus and Opencore using MyBootMgr which is supposed to give you a boot screen again. I have Mojave and Windows 10 that both run fine but I need to guess how to get into them and it’s a major pain, plus I...

Hi all, Just got finished flashing my Mac Pro 5,1 and following all the directions in large MyBootMgr thread. Awesome, so thank you for that! FYI I'm running the 067a release so I don't know if thats the latest or not. Everything works great except neither Innie, nor ACHI_ThirdParty_SATA work...

I was encouraged to share my experience with installing macOS Big Sur on two of my cMPs as I wasn't able to find anything already prescribed for those like me who use the RefindPlus/OpenCore Chainloader, and hopefully it covers off some useful information for others attempting the same. I have...

This is a guide to setting MyBootMgr up for configuring and installing RefindPlus (and OpenCore if required) to multiboot Classic Mac Pros (3,1 to 5,1) as well as equivalent Xserve (2,1 and 3,1). With OpenCore present, the setup involves chain loading Mac OS from system optimised OpenCore...