This IS the Avid L2: Re: [Avid-L2] When did MacPro Towers have 64 bit, MacPro 3.1?

Wednesday, April 29, 2015

Re: [Avid-L2] When did MacPro Towers have 64 bit, MacPro 3.1?

At work I have a separate startup drive OS 10.6.8 that will run Avid Ver. 6.0. That seems to tell me it is capable of running a 64 bit Avid app. Now does that mean is is doing the EFI Bios Dave mentioned? I'm doing a backup on the computer and can't boot to that drive right now. Are these older 301 MacPros faking the 64 bit kernel or is it the real deal? I see on my normal MacPro 3.1 that will run Ver 6.0 on the separate startup drive I see in system Software Overview:

64-bit Kernel and Extensions: No

Yet this computer will run Ver. 6. What/Who tells it to run in a 64 bit mode given the above saying the extensions are a No? Does something magical happen when Avid Ver. 6 gets booted to tell it to run in 64bit? I do remember early on there was discussion of which kernel to boot to as there were some Avid driver issues, maybe for NitrisDX or some such thing, that wouldn't load when booted in 64 bit kernel. Calling Colonel Panic, uh I mean Kernel Panic to bay 7!!!

It's sounding to me like earlier MacPros did 64 bit as an add on type of extension and the later ones are built right in. That's a generalization but is that sort of how this works?

---In Avid-L2@yahoogroups.com, <bogdan_grigorescu@...> wrote :

64bit kernels will run 32bit apps, not the other way around

And I just checked - one of our early 2008 MPs(3,1) is running a 64bit kernel on OSX10.9.5 just fine

From: "John Moore bigfish@... [Avid-L2]" <Avid-L2@yahoogroups.com>
To: Avid L2 <avid-l2@yahoogroups.com>
Sent: Wednesday, April 29, 2015 12:50 PM
Subject: [Avid-L2] When did MacPro Towers have 64 bit, MacPro 3.1?

Trying to get some clarification on 64 bit functionality in MacPros. My experience is the first MacPros to handle 64 bit were the 3.1s. What is the deal about booting in 32 bit kernel and still running 64 bit apps? I seem to recall asking about this before but I'm trying to brush up on the specifics. I know at work my MacPro 3.1 will run Avid 6.0 so it has to have the 64 bit compatibility to some degree. I looked at another 3.1 MacPro at work and in system info it said 32 bit or 32 bit kernel. I'm being told on our new san demo these computers aren't running 64 bit but I want to get specific about this. Is system info the proper place to get the full picture?

John Moore
Barking Trout Productions
Studio City, CA
bigfish@...

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Posted by: bigfish@pacbell.net

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