He'll be using Mavericks and I directed him to download drivers from inside Boot Camp Assistant. Voila, there is no 5.0, they are updated - Apple though is behind in updating support. Very behind. And also I see people using Windows 8 Dev Previews and other setups, I used Windows 7 64-bit on an "unsupported" MacPro1,1. Take with proverbial grains of salt, for where there is a will there is a way. Apple drivers and thermal management under Windows have always fallen short anyway.
Everything you want to know was in that forum thread though.
- Boot Camp/Windows Related:
- Mac Pro (Late 2013): Might not wake from sleep in Windows 8
- Mac Pro (Late 2013): Using multiple displays on Windows 8 via Boot Camp
- Boot Camp: Installing Windows 7 Frequently Asked Questions (2013 Mac Pro 64bit Windows only)
Boot Camp Assistant 5.0 would be Mountain Lion, not Mavericks and I don't have Mavericks. No mention yet of Boot Camp 6.
And I see you asked.
I tried to boot into Windows on my Thunderbolt drive in Apple Store's demo machine, it works fine