Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

CactusMel

macrumors newbie
Original poster
Nov 17, 2022
10
2
Hi,
My cMP is a 4.5 upgraded to a 5.1 CPU is 3.33 6 core, 16GB of ram, graphics card a HD5870. I'd like to get a dual processor tray but I understand (Well I think I do?) that it's not just a matter of swapping the trays over, they have to match? Can someone explain how in what way?

I recently discovered the easiest way to install "Windows 10" was to just install it on a separate drive from the CD disk and select it from the boot menu, please advise is this might be causing any problems that might come back and bite my on the ********** later.

Any advice and help welcome...

Mel.
 

tsialex

Contributor
Jun 13, 2016
13,437
13,581
An early-2009 Mac Pro requires an early-2009 CPU tray, SMC needs to match, both the backplane and CPU tray need to have SMC firmware version 1.39f5.

A mid-2010/mid-2012 Mac Pro requires a mid-2010/mid-2012 CPU tray, both the backplane and CPU tray need to have SMC firmware version 1.39f11.
 

Cactusface

macrumors member
Mar 24, 2015
74
12
Leicester. UK
Hi,
Many thanks for your reply! But just where do I find these numbers. I took a look thro System info, just what is SMC?

Thanks...
 

h9826790

macrumors P6
Apr 3, 2014
16,656
8,584
Hong Kong
Hi,
Many thanks for your reply! But just where do I find these numbers. I took a look thro System info, just what is SMC?

Thanks...
Screenshot 2022-12-03 at 18.48.14.png
 

CactusMel

macrumors newbie
Original poster
Nov 17, 2022
10
2
Hi Guys,
Many thanks for your replies, yes the tray and base both have the 1.39f5 SMC but my base firmware is 144.0.0.0.0 BUT the tray is MP51.0089.B00. Would they still work well together or not?

I've had an offer of a dual CPU tray with 2 x 3.46GHz CPU's and 64GB of 1333 ram

All help and comments welcome.

Mel.
MacOSInfo.jpg
MacOSInfo-2.jpg
 
Last edited:

tsialex

Contributor
Jun 13, 2016
13,437
13,581
CPU trays/processor tray doesn't have any firmware besides the SMC firmware. BootROM is located on the backplane only.

If the CPU trays/processor tray SMC firmware is 1.39f5, will work with any early-2009 Mac Pro.

If the CPU trays/processor tray SMC firmware is 1.39f11, will work with any mid-2010 or mid-2012 Mac Pro.
 

CactusMel

macrumors newbie
Original poster
Nov 17, 2022
10
2
Hi All,
Thanks tsialax I think I'm beginning to understand the Mac a bit more now! I have just received the new (to me) CPU tray, this has 2 x 3.46 CPU's and 64GB of ram, way over kill for most of the stuff I do. So is there any test software I can test the CPU's with, as I did notice one CPU heatsink was quite warm and the other cooler. Would it use just one cpu and then the other as needed?? or would they both share the task.
 

h9826790

macrumors P6
Apr 3, 2014
16,656
8,584
Hong Kong
Hi All,
Thanks tsialax I think I'm beginning to understand the Mac a bit more now! I have just received the new (to me) CPU tray, this has 2 x 3.46 CPU's and 64GB of ram, way over kill for most of the stuff I do. So is there any test software I can test the CPU's with, as I did notice one CPU heatsink was quite warm and the other cooler. Would it use just one cpu and then the other as needed?? or would they both share the task.
CPU A is the preferred CPU, also, at the down stream of the air flow, therefore, always warmer.

If you want to run stress test for all 24 threads, you can run Prime95.
 

CactusMel

macrumors newbie
Original poster
Nov 17, 2022
10
2
Hi,
Sorry for the delay, been side tracked!!! Well I got my "NEW" dual CPU tray and yes it just booted up as usual, all seems to be working OK.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.