Return-Path: Received: from s427.sureserver.com ([64.14.74.47] verified) by media-motion.tv (CommuniGate Pro SMTP 4.2.10) with ESMTP-TLS id 4704523 for AE-List@media-motion.tv; Thu, 03 May 2012 19:10:31 +0200 Received: (qmail 16552 invoked by uid 504); 3 May 2012 17:11:54 -0000 Received: from static-151-196-57-185.balt.east.verizon.net (HELO ?192.168.1.45?) (151.196.57.185) by s427.sureserver.com with SMTP; 3 May 2012 17:11:54 -0000 From: Dave Bittner Mime-Version: 1.0 (Apple Message framework v1257) Content-Type: multipart/alternative; boundary="Apple-Mail=_2D6C4DA9-2840-4337-B85C-374E3A5D184D" Subject: Re: [AE] Thunderbolt and Mac Pro slot speeds Date: Thu, 3 May 2012 13:11:54 -0400 In-Reply-To: To: "After Effects Mail List" References: Message-Id: <0BB2EFE3-97D9-484B-87B8-9DA68C69E6F9@pixelworkshop.com> X-Mailer: Apple Mail (2.1257) --Apple-Mail=_2D6C4DA9-2840-4337-B85C-374E3A5D184D Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On May 3, 2012, at 12:21PM, Karl Newman wrote: > I wonder if it is possible to run both the AMD card and the GTX 470 at = the same time using the AMD for screen draws and Open GL and keeping the = NVidia for the CUDA cores acceleration of Premier Pro and others? Could = the power supply of the MacPro 3.1 handle the load or would it need an = external power supply for one of the GPUs? That's exactly what I did when I put the machine back together. The = older ATI card is driving the display, the NVidia is dead-headed in = there for CUDA support. I put the ATI in one of the four-lane slots, and = fed it power from the spare CD-ROM bay. Theres an AJA Kona LHe in there, = too, and a eSATA card. So the machine is officially maxed out, = slot-wise. So far, so good, although honestly I really haven't done anything to = push it, yet. Dave Bittner - Pixel Workshop Inc. www.pixelworkshop.com 410.381.8555 Twitter @bittner --Apple-Mail=_2D6C4DA9-2840-4337-B85C-374E3A5D184D Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii

I wonder if it is possible to run both the AMD = card and the GTX 470 at the same time using the AMD for screen draws and = Open GL and keeping the NVidia for the CUDA cores acceleration of = Premier Pro and others? Could the power supply of the MacPro 3.1 handle = the load or would it need an external power supply for one of the = GPUs?

That's exactly what I did = when I put the machine back together. The older ATI card is driving the = display, the NVidia is dead-headed in there for CUDA support. I put the = ATI in one of the four-lane slots, and fed it power from the spare = CD-ROM bay. Theres an AJA Kona LHe in there, too, and a eSATA card. So = the machine is officially maxed out, = slot-wise.

So far, so good, although honestly I = really haven't done anything to push it, = yet.

www.pixelworkshop.com

Twitter @bittner

= --Apple-Mail=_2D6C4DA9-2840-4337-B85C-374E3A5D184D--