Return-Path: Received: from vms173003pub.verizon.net ([206.46.173.3] verified) by media-motion.tv (CommuniGate Pro SMTP 4.2.10) with ESMTP id 4678434 for AE-List@media-motion.tv; Fri, 06 Apr 2012 21:29:27 +0200 Received: from new-host-4.home ([unknown] [173.74.114.107]) by vms173003.mailsrvcs.net (Sun Java(tm) System Messaging Server 7u2-7.02 32bit (built Apr 16 2009)) with ESMTPA id <0M22001PUOTOV3G1@vms173003.mailsrvcs.net> for AE-List@media-motion.tv; Fri, 06 Apr 2012 14:29:49 -0500 (CDT) From: Karl Newman MIME-version: 1.0 (Apple Message framework v1257) Content-type: multipart/alternative; boundary="Apple-Mail=_5467240D-5EE0-48FF-8F52-6FB681CC4381" Subject: Re: [AE] ATI Radeon HD 5870 vs two ATI Radeon HD 5770 1GB Date: Fri, 06 Apr 2012 14:29:47 -0500 In-reply-to: To: "After Effects Mail List" References: Message-id: X-Mailer: Apple Mail (2.1257) --Apple-Mail=_5467240D-5EE0-48FF-8F52-6FB681CC4381 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On Apr 6, 2012, at 1:12 PM, Brian Maffitt wrote: > A decent nVidia game card (GTX 480, GTX 580) will really rock the = CUDA, if the Mac Pro supports it. In OSX Lion you can run most NVidia cards with just a few small = problems. One, the NVidia cards will not show the boot screens. You = don't see the screens until the desktop loads. Not a problem for most = every day needs. I have a GTX570 in my Mac Pro 3.1. There was a = directory problem with one of the partitions on the main drive which = needed to be fixed by booting to the Lion Repair Disk which only shows = up on the boot screens when you hold CMD-R during the start-up process. = I ended up booting the Mac Pro into terminal mode and fixed it by = hooking the MacPro to my MacBook Pro. Second problem is the NVidia cards so far fail at OpenCL tasks. While = they are working on OpenCL drivers if you run a OpenCL benchmarking = application it fails with a "No OpenCL device" error. For OpenGL the 570 = seems to run fine. The last problem is the the GTX570 requires two power connections but, = of course, does not come with the cables necessary to connect to the two = connectors on the MacPro's motherboard. I was able to use the cable that = was connected to my old ATI card for one of the connections and got the = other from the second power connector in the optical bay. Something of a = small hack and you can buy the correct cable for about $10 on-line. (Not = really something you will find laying around in the usual stores for = electronic "stuff") I have read that the GTX-580 needs an external power supply to keep from = overloading the MacPro but the GTX570 seems to run fine, so far. Karl Newman Karl Newman Productions kwnewman@verizon.net --Apple-Mail=_5467240D-5EE0-48FF-8F52-6FB681CC4381 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
A decent = nVidia game card (GTX 480, GTX 580) will really rock the CUDA, if the = Mac Pro supports it.

In OSX Lion you = can run most NVidia cards with just a few small problems. One, the = NVidia cards will not show the boot screens. You don't see the screens = until the desktop loads. Not a problem for most every day needs. I have = a GTX570 in my Mac Pro 3.1. There was a directory problem with one of = the partitions on the main drive which needed to be fixed by booting to = the Lion Repair Disk which only shows up on the boot screens when you = hold CMD-R during the start-up process. I ended up booting the Mac Pro = into terminal mode and fixed it by hooking the MacPro to my MacBook = Pro.

Second problem is the NVidia cards so far = fail at OpenCL tasks. While they are working on OpenCL drivers if you = run a OpenCL benchmarking application it fails with a "No OpenCL device" = error. For OpenGL the 570 seems to run = fine.

The last problem is the the GTX570 = requires two power connections but, of course, does not come with the = cables necessary to connect to the two connectors on the MacPro's = motherboard. I was able to use the cable that was connected to my old = ATI card for one of the connections and got the other from the second = power connector in the optical bay. Something of a small hack and you = can buy the correct cable for about $10 on-line. (Not really something = you will find laying around in the usual stores for electronic = "stuff")

I have read that the GTX-580 needs an = external power supply to keep from overloading the MacPro but the GTX570 = seems to run fine, so far.


Karl Newman
Karl Newman = Productions




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