Bluetooth not working mac pro 10.8.5

Bluetooth not woking on Mac Pro (2x 2.4 quad) afrer inatalling 10.8.5
Rolled back to 10.8.4, unplugged from power for 20 seconds. Zapped the PRAM twice and it appears to be working again....
Has anyone got 10.8.5 working on a Mac Pro with Bluetooth ?

On a Late 2009 iMac, this problem cannot be solved. I have tried resetting SMC, zapping PRAM, deleting file(s). No fix, no built-in Bluetooth.
CORRECTION:
Much thanks to Rex Raymond.
This worked for me as well:
1. Trash the com.apple.bluetooth.plist at /Library/Preferences.
2. Delete the kext caches with this terminal command: sudo rm -R /System/Library/Caches/com.apple.kext.caches
3. Shut down the laptop. Unplug all cables but power.
4. Reset the SMC by pressing Shift+ Control+ Option keys on the LEFT hand side of the keyboard, then pressing the power button at the same time and releasing of all of those keys together.
5. Power up the computer.
6. Zap the PRAM by holding down Cmd+Opt+P+R and wait for second chime
7. Start up in Safe Boot by holding Shift key until progress bar appears.
8. Upon logging in, open System Preferences. Note that the Bluetooth icon is again visible.
9. Reboot normally and log in.
10. Turn Bluetooth on and test by pairing with mouse. Verify functionality.
Message was edited by: Andy Milder

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Message was edited by: What2be1

I found Gigabyte has links to latest updates which work fine.
Treat Mac Pro as just a dual Xeon PC.
http://forums.tweaktown.com/gigabyte/30530-latest-overclocking-programs-system-i nfo-benchmarking-stability-tools.html
Realtek High Definition Audio for Vista\Win 7 2.54
2010-11-05
Realtek HD Audio Windows 7
Or from Realtek which is http://218.210.127.131/
http://www.realtek-driver.com/
Guru3D is also a popular site for drivers.
http://downloads.guru3d.com/Realtek-HD-Audio-2.51_d2598.html
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Jalcom wrote:... Firewire is not longer supported with Mountain Lion?...
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Jalcom wrote:... So I am wondering if something wrong happened ...
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Jalcom wrote: ... help me with it!...
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Some other apps may offer mic and or camera selection via their application menus. If you have trouble finding out how to select the iSight internal mic in other apps, check each apps' Help or post back the name of the app whose selector you cannot locate here so we can try to help.
Message was edited by: EZ Jim
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