Hi MentalVizion. If the SL disc came from an iMac, it may not be possible to install the SL OS to your 5.1 Mac Pro because the disc only reads the serial number of the iMac machine, as far as I know. Before I got an SL disc that came from an iMac and it would not install in another Mac Pro machine. I have a 2010 5.1 Mac Pro that came with Snow Leopard 10.6.3 and I also have a 2012 5.1 Mac Pro that came with Mountain Lion 10.8 The SL HD that was formatted from my 2010 5.1 MPro can run and boot at the mid 2012 Mac Pro. I have not tried a direct clean install of Snow Leopard retail version into the mid 2012 Mac Pro.
Hey,
Thanks for your answer
😉
Now I'm wondering, why did your 5,1 ship with 10.6.3?
Apple lists 10.6.4 as the shipped OS here:
http://support.apple.co/kb/ht1159
I currently have 10.6.8 installed on my Samsung 830 256GB SSD.
I guess it would not work to just keep booting from this drive if I upgrade firmware, would it?
This thing is way too complicated
😀
This really makes the 2x W5590 route appeal way more to me..
But I want 12-cores
😀
Especially since the X5650 is pretty much the same, if not cheaper, then the W5590. + It's more powerful (atleast multi-core wise)
What would you guys reccomend? Here a little summary:
Currently 2x 2,26GHZ Quad Cores installed (Mac Pro 4,1 early 2009)
HUGE Snow Leopard fan
😀 - really.. I don't want to change...
Currently got Snow Leopard (obviously
😉 ) installed on a 256GB SSD (10.6.8)
I want to upgrade to either W5590's or X5650's.
The W5590's would allow me to keep the 4,1 FW at the cost of only being able to use 1066mhz RAM (which I don't really care to much about tbh).
I am also able to install from my retail 10.6 disc. This route seems to be a bit safer, at the cost of quite some power compared to:
2x X5650's which would be quite abit snappier then the others, therefore don't allow me to install my beloved SL EXCEPT for the 10.6.4 disc.
Since I don't own a 2nd Mac, the Target mode thingie get's dropped.
Also, having the DVD would make me feel way more safe.
They also would allow me to use 1333mhz RAM.
Talking about safety: If I want to use the X5650's, I also would have to run the firmware update/hack. I don't know why, but I am kind of scared of it.
For example: Let's say I upgrade my firmware now (still using the default CPUs). Then I turn off my Mac (running 10.6.8). Would it still boot? Theoretically it SHOULD since I have 10.6.8 installed, which is compatible with the 5,1. On the other hand, I used the 10.6 Retail DVD to install it and then applied the combo update. I'm way to unsure...
Another example: Let's say I did upgrade my firmware and CPU and everything is working fine. Then one, or even both CPUs die. Would the old E5520's still be compatible with the 5,1 firmware?
Waaaay to much to worry about, just because I love 10.6 so much
😀