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I did this but the Mac has some sort of problem that periodically makes the externals take longer to connect during a boot.

Great, just when I thought I might be able to afford it.īTW for those wondering why you don't just use an external SSD. there IS a difference between these and the otherwise-similar-looking drives in the Mac Pro. OCW themselves tested and found that the mid 2014 MBPs, which come with x2 PCI-e drives, can actually use the full performance of the x4 drive from the Mac Pro.] Undo Mixed MBR Steps (do not do these unless you messed up step 2 above):Ĥ) Hit "x" to get to "Expert" mode, then "n" to blank out the MBR Proof (note: I just got Windows 10, El Capitan, and working on Ubuntu 15.10): Make sure it creates a ~16MB partition for EFI stuffsħ) To boot into Windows in the future, as usual, hold down Option during startup.įeel free to contact me if you run into any issues with this method. Take note of the size of the partition you're making for Windows here (It's important!)ģ) Make a Win10 bootcamp USB with the conventional utilityĤ) Reboot, hold option, choose "EFI Boot" (or something like that)ĥ) During Windows install, delete the partition you created in Step 2, and make a new Windows partition. If you make it FAT at any point for whatever reason, you'll need the steps marked "Undo mixed MBR" below since it does something to make it not a pure GPT drive. I have a Mid 2014 MBP 15", and bought the 1TB OWC Aura drive:ġ) Resize Mac OSX partition to be smallerĢ) You SHOULD make the Windows partition "OSX Extended". I recently got my SSD and after mucking around with the drive, I /was/ able to install Windows with no issue. So they went with a pair of SSD controllers with a SATA interface and a SATA RAID chip which complies to AHCI. I mentioned this in some article, but OWC needed a chip which has a PCIe interface and presents itself as an AHCI controller (thus, no need for new drivers) and does not require much firmware development.Ī quick search indicates that such chips may have not been available to them in time. It probably works fine, except it has no TRIM. It's a relatively common chip, as far as hardware RAID chips go, used in a number of motherboards. Who knows what else that RAID controller is hiding. I was looking forward to having the option to upgrade for my mbpro in the future, but I don't trust the solution they chose. Reality is that the RAID controller used, to make a big drive out of two SSDs, does not support TRIM, like most RAID controllers out there. OWC says that the controllers it’s using obviate the need for OS X’s built-in TRIM support (TRIM isn’t enabled automatically for any non-Apple SSDs in OS X, and while there are ways of working around it, OWC didn’t want to rely on a hack to enable this basic functionality).