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Xeon Mac Pro 3.1


luki1979
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Just won E5472 SLANR on Ebay, it's basically the same CPU as I have now but it's 80W instead of 120W and it was used on real Mac Pro 3.1 so hopefully I won't have to use voodoo tscsync package anymore and it will work full Vanilla. Also my current X5472 runs a bit too hot.

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Just connected front panel, as I don't need front firewire or audio I connected PWR button ground to FW ground and LED to HDD LED on motherboard, only + was needed here as it fetches ground from USB connector. I finished connector in hot glue.

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Just connected front panel, as I don't need front firewire or audio I connected PWR button ground to FW ground and LED to HDD LED on motherboard, only + was needed here as it fetches ground from USB connector. I finished connector in hot glue.

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Ugly....... :(

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Ugly....... :(

but safe :)

Pretty much finished now. I don't like red LED fan so I will replace with another Antec. There is one 120mm fan in front of SSD bay and one (freaking red) in front of recycled G5 HDD bay.

Case sticks out from my desk is so big but I like it, looks professional I'm glad I decided not to cut and paint.

 

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I'll put more pictures up when 100% done

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Hey Red LED=CHRISTmas so keep it :P .

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Are you a christain? if you are you would get my "CHRISTmas".

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Xeon E5472 arrived ! Good news it runs 20° cooler than X5472. Bad news is that it's still needs voodoo tscsync to use 4 cores. I found it bizarre as it was pulled from MacPro 3,1. I guess FakeSMC coders never expected to somebody using CPU's from real Macs. Anyway I'm happy with it as E5472 is only 80W. Cpu fan is nearly silent now. 

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I overclocked old Xeon a bit by raising FSB to 440MHz. It's now at 3.3Ghz very stable. Stepping works correctly x6@2.64GHz, x7@3.08GHz and x7.5@3.3GHz. Getting a bit better benchmarks now as this old Quad bottlenecking my GTX 760 a bit so this small boost is welcome.

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  • 2 weeks later...

I overclocked old Xeon a bit by raising FSB to 440MHz. It's now at 3.3Ghz very stable. Stepping works correctly x6@2.64GHz, x7@3.08GHz and x7.5@3.3GHz. Getting a bit better benchmarks now as this old Quad bottlenecking my GTX 760 a bit so this small boost is welcome.

@luki1979 I got the same motherboard like yours EP45T-UD3LR and I install Xeon E5472 but I can't get it boot to OS X, it show  "Unsynchronized TSC for cpu1: 0x0000000...... delta 0x0000000" Windows boot fine.

 

Can you teach me pls. 

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@luki1979 I got the same motherboard like yours EP45T-UD3LR and I install Xeon E5472 but I can't get it boot to OS X, it show  "Unsynchronized TSC for cpu1: 0x0000000...... delta 0x0000000" Windows boot fine.

 

Can you teach me pls. 

use this package:

tscsync.pkg.zip

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@husaber, Thanks a lot its working now, I can boot to Yosemite, happy.. :)

i'm Happy now :drool: another Xeon is running here.. :hysterical:

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