MP 1,1-5,1 installed OS 12 Monterey to a PCIe SSD , and will not boot. Mac Pro 2012 5.1

[culser]

This question is weird, a vanilla install is a completely supported install. So, excludes OC/dosdude1/patched/anything.



What is MvMe?

I'm gonna assume that you have problems typing NVMe. Yes, install to the blades you need to test.

Tried a metal card RX 580, and it's all working now boots from the NvMe
All is good

Thank you to all of you.

 

[MacINCheez]

PCIe SSDs - NVMe & AHCI

This is a general info thread for blade SSDs that can be used in the Mac Pro. This is a WikiPost so anyone with the proper credentials may edit it. NVMe SSDs can be used as a boot drive in the MP5,1 and MP6,1 with the latest firmware installed (beginning with version 140.0.0.0.0 for MP5,1 and...

forums.macrumors.com

Looks like the SSD is not compatible.

Hi i just came across your post, does the ''Ableconn PEXM2-130 Dual'' configuration works? i am looking for an affordable pcie to nvme set up so i can upgrade my MP 5.1 to monterey and bootcamp