I previously wrote:
I have the original MacPro (1,1) from 2006 and it came with 4GB of RAM. I've since installed a total of 8GB. I don't understand when you say its limit is 8GB. It can be upgraded to 32GB and I'm thinking of doing just that. It's still a wonderful machine and I'm using it daily for heavy duty work like Avid editing. Except for occasional application freezes (not with Avid!), it runs well and I have no need to replace it. The app freezes might be minimized when I increase the RAM to 32GB.
On Oct 24, 2013, at 7:27 PM, Dave Hogan wrote:
> I am curious what version of AVID and OS you are running on your MacPro1,1. That machine has only a 32bit EFI boot ROM, so you cannot run any 64 bit OS/drivers. You can run the 32bit versions of Lion and Windows, but at a much reduced performance.
I answer:
I am running Avid MC 6.5.4 and OSX 10.7.5. Yes, it's running at 32-bit but that doesn't seem to be a problem. When I installed Avid, I was presented with a warning about the 32-bit issue, but I went ahead and installed it without any problem.
The biggest advantage 64-bit gives you is the ability to use more RAM. This system can handle up to 32GB of RAM, which is plenty (Avid uses less than 4GB). Further, I do not yet have 32GB of RAM installed; I only have 8GB.
Dave also asked:
> Also, are you doing much HD or AMA work on that system?
I reply:
I have played around with AMA but generally do not use it much. All my work on this system is HD, 1080i using DNxHD145. My editing is not heavily layered, which probably helps keep the system running smoothly. I also never run any other app while running Avid.
Dave:
> I have heard of hacking the boot rom, but you end up with a machine that thinks its a PC running MacOS, and you get lots of issues with drivers, sleep mode and the like, as in running any Hackintosh.
Me:
This is not a hacked Mac. There are only a couple of things I've changed which seemed to make it better: I have changed the graphics card to an NVidia 8800GTS. This card has twice the V-RAM than the original card has. I also increased the RAM to 8GB; which will soon be increased to the maximum of 32GB. I'm running two Apple monitors. I do have some I/O cards installed to enable the use of external e-SATA drives and additional FW/USB. I'm running the System on an SSD, at the moment on an external e-SATA connection. But I intend to move it to a free internal drive slot very soon.
Dave:
> Also, the RAM on the MacPro 1,1 is only running at 667Mhz, as opposed to the new MacPro trashcan running at 1866Mhz. You might run into latency issues on larger RAM chips running at only 667Mhz.
Me:
All this talk of clock speeds over the years has proven to not be the bottleneck people seem to think it is. The real bottleneck is the system buss speed and the need for caching. The system buss speed in this MacPro is more than adequate for my needs and the caching should be improved once I add more RAM. All I know is that this Mac, as old as it is, runs great with Avid and I see no reason to part with it (yet).
Dennis Degan, Video Editor-Consultant-Knowledge Bank
NBC Today Show, New York
NBC Today Show, New York
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