I have a 2009 Mac Pro that I've upgraded the CPU from 2.66 to 3.33GHz and put a new video card in (along with lots of RAM), but I have not done any firmware hacks because that makes me nervous. At any rate, I've had a Toshiba Q-Series 256GB SSD as the boot drive for a while now and it's been great. I recently picked up a second SSD for Boot Camp and to use as an audio project scratch drive (partitioned with half for OS X, half for Windows) drive and it works great, too - if you start the machine from a cold boot, or if you reboot from OS X to Windows. However if you reboot either from Windows OR OS X into OS X, the SSD disappears. It doesn't even show on the system profiler SATA screen, nor does it show in disk utility.
This is Yosemite 10.10.2. The new drive is a PNY Optima 240GB SSD. It's plugged into one of those Newertech SSD sleds, which my Toshiba is also plugged into. I've swapped the sleds, too, but that didn't make a difference. The PNY drive is the one that disappears. Shutting off the Mac and booting it up cold again fixes it, so that's what I'm doing for now. Just curious if anybody else has had a similar experience. Maybe it's just this particular drive and computer combination. Any insights would be appreciated, though.
Specs: cMP 2009 with W3580
32GB of DDR3 memory
GeForce GTX 660 video card
Aforementioned SSDs
USB 3.0 card
BCM94360CD on a PCI-e card
This is Yosemite 10.10.2. The new drive is a PNY Optima 240GB SSD. It's plugged into one of those Newertech SSD sleds, which my Toshiba is also plugged into. I've swapped the sleds, too, but that didn't make a difference. The PNY drive is the one that disappears. Shutting off the Mac and booting it up cold again fixes it, so that's what I'm doing for now. Just curious if anybody else has had a similar experience. Maybe it's just this particular drive and computer combination. Any insights would be appreciated, though.
Specs: cMP 2009 with W3580
32GB of DDR3 memory
GeForce GTX 660 video card
Aforementioned SSDs
USB 3.0 card
BCM94360CD on a PCI-e card
