Latest post Sat, Jul 5 2008 9:54 AM by jwrl. 16 replies.
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  • Wed, Jun 18 2008 8:38 PM

    • Rignold
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    • Cape Town
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    3 Displays 2 Graphics Cards?

    Is it possible (has someone tried) to put 2 graphics cards into a machine and hook up 3 LCD displays so you can have the AVID running on 2 displays as per normal and the 3rd display permanently in full screen mode?


    Or am I just asking for trouble?Super Angry

    System 1: MacBook Pro Retina.(Late 2012) 1 gig GFX, 8gig ram. OSX 10.10, MC 7.0.6 System 2: Apple iMac 27" Retina 5K Display Core i5 3.5GHz / 8GB... [view my complete system specs]

    Before you judge a man walk a mile in his shoes. After that who cares, you're a mile away and you've got his shoes.

  • Wed, Jun 18 2008 8:59 PM In reply to

    • SysMangler
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    Re: 3 Displays 2 Graphics Cards?

     I think some of the folks have done it with Xpress Pro - check these threads:

    http://community.avid.com/forums/p/50105/282929.aspx#282929

    http://community.avid.com/forums/p/24271/136166.aspx#136166

    http://community.avid.com/forums/p/49273/278951.aspx#278951

    As I remember, it was important to use cards from the same "family" (i.e., Quadro) for the best results to avoid driver conflicts.

    Hope it helps!

    Ken

    MC3.0, XW4600, C2Q9650, 4GB DDR800, FX1700, 160G 7200 SATA (boot) + 2x300G 10K SATA (media), Pyro1394 PCI Express (API-316). Runs fine under XPPro/32,... [view my complete system specs]

     

  • Wed, Jun 18 2008 10:41 PM In reply to

    • macjaeger
    • Top 500 Contributor
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    Re: 3 Displays 2 Graphics Cards?

    I'm not sure if this is exactly what you intend, but maybe...

    I was running three screens on two cards, but MC didn't like it. this was two screens connected to nvidia GF7900GTO, third one to an older matrox card. I always had to disable the matrox card or MC wouldn't start, so i threw out the matrox, and instead connected two screens to the same port of the nvidia board using matrox' dualhead2go extender box and the third screen to the other port.

    This box presents itself to the graphics card as one doublesized screen (2560 x 1024) and internally splits the display to serve two identical 1280x1024 displays:

    using matrox dualhead2go

    This works without trouble, as the system only sees two screens at one card, and image quality is perfect (I was a little concerned that the high horizontal resolution could cause problems, but it's just fine).

    Of course this setup is not avid-approved, and of course i'm no poweruser, so no warranty expressed... But as my system has been running MC 2.8 rock solid for a couple of weeks and didn't show any change with MC 3.0 now, i'm rather positiv about my decision.

    MC 3.0 (soft) on 2.4Ghz Intel Core2Quad, 4GB, Win7, 3 Screens hooked to Nvidia GTX260 & 9500GT, 1 TB striping RAID [view my complete system specs]

    not a pro, just a teacher...

  • Wed, Jun 18 2008 11:52 PM In reply to

    Re: 3 Displays 2 Graphics Cards?

    It's not an officially sanctioned setup, but I used to run a configuration with two identical Quadros when I was developing the Full Screen Play feature.  The trick is the primary card (the one on the fastest slot if they are not matched slots) should be used to drive the monitors that you want to use for Full Screen Play and the Composer Window.  All video that plays to the desktop should be driven by the same card. Use your other card for bins, tools, title tool, etc.

     

     

    Brian Williams
    Senior Principal Software Engineer
    Media Products Group
    Avid Technology, Inc.

    "Be a non-conformist like me!"

  • Thu, Jun 19 2008 2:09 AM In reply to

    • jwrl
    • Top 25 Contributor
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    Re: 3 Displays 2 Graphics Cards?

    So instead of MacFly, we have MacWilliams?

    MC 7.0.4 - Asus P6T Deluxe V2 mobo - Intel i7 920 2.66GHz - Windows 7 Ult64 SP1 - nVidia Quadro FX 1800 - 16 Gbyte low latency DDR3 RAM - Internal 8 Tb... [view my complete system specs]
  • Thu, Jun 19 2008 2:54 AM In reply to

    • AquaPix
    • Top 500 Contributor
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    Re: 3 Displays 2 Graphics Cards?

     ...and a macjaegerWink

    MC3.0.5, QT7.4.5, Vista Business x64, Intel Quad Core Q6600 @ 3.4GHz, Asus P5K Mobo, 8GB RAM (OCZ Reaper @ 950MHz DDR II), GeForce 8800GTX (multithreading... [view my complete system specs]

     Andy Lange www.aquapix.tv

  • Thu, Jun 19 2008 3:25 AM In reply to

    • Tom Pearson
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    Re: 3 Displays 2 Graphics Cards?

     

    principal software engineer posting in the forums wow now thats new thinking

    and thanks it just feels good to have this kind of support

    Mac Pro 3.5 gig 6 core 64 gig ram D700 radons with ssd os drive with a 20 tb raid, Artist Mix and Artist color Artist control [view my complete system specs]

    Tom Pearson

    Director/Writer Big Picture Films

    Sound Designer/Sound Editor Hollywood Sounds

    WWLD

  • Thu, Jun 19 2008 4:59 PM In reply to

    • nicov
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    Re: 3 Displays 2 Graphics Cards?

    Brian Williams:

    It's not an officially sanctioned setup, but I used to run a configuration with two identical Quadros when I was developing the Full Screen Play feature.  The trick is the primary card (the one on the fastest slot if they are not matched slots) should be used to drive the monitors that you want to use for Full Screen Play and the Composer Window.  All video that plays to the desktop should be driven by the same card. Use your other card for bins, tools, title tool, etc.

     

     

    Hi,

    I,ve been running this way for HD monitoring on a basic corporate spot, at that time I was figuring out the pros and cons of this set up and there was a lot of posts about how to get the best of this FSP feature. I'll try to recap what I and others have experienced.

    First of all even with a classic 2 screens set up the FSP feature needs a trick to display a correct preview, meaning with no horizontal tearing line showing up on shots with movements. Overall quality, especialy regarding motion can be improved this way. I will not detail this method in this post, anyone interested can just perform a search for FSP in the forums.

    Now with two GPUs an a 3 screens set up, what you've said confirms my experience. The same card has to run FSP and the composer window, leaving the third monitor attached to the second GPU to display only bins and tools windows.

    Actually when the composer windows are on this second GPU the video keeps working on the FSP monitor but no video displays in the composer source/record windows. What happens thougt is that FSP quality is really improved in this case. Looks like when one GPU is only used to perform FSP (and displays bins but not the composer windows), FSP is a lot better.

    Well that being said, FSP is still a preview that can be handy when working in HD but no real monitoring solution, I guess ok for pretty basic projects, and with not a lot of fast moving shots or fast edits sequences. (better if footage is not interlaced)

    I've read in a recent post that some users felt that somehow FSP quality was improved in MC3, has there been any changes to improve it? Anyways, I'm waiting for my MC3 box upgrade to arrive and will share my experience on this soon.

    Keep up the good work, oh and by the way, if you could provide us with an afordable monitoring only solution as this is the last thing missing for avid's offering to be really complete...

     

     

    OSX 10.14.6 / MC 2021 / 27' iMac 2019 i9 40gb ram / BMD ultrastudio > JVC24 / thunderbolt nvme ssd 8tb / usb 10Gb/s 2xsata ssd raid0 2tb [view my complete system specs]
  • Thu, Jun 19 2008 6:29 PM In reply to

    • Rignold
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    Re: 3 Displays 2 Graphics Cards?

     Thanks a lot to all of you for your replies. I think I am going to try buying an identical card to the one I have now and install them on my new motherboard which has 4*16x slots. Then I'll follow your advice. Will let you know what happens.Geeked

    System 1: MacBook Pro Retina.(Late 2012) 1 gig GFX, 8gig ram. OSX 10.10, MC 7.0.6 System 2: Apple iMac 27" Retina 5K Display Core i5 3.5GHz / 8GB... [view my complete system specs]

    Before you judge a man walk a mile in his shoes. After that who cares, you're a mile away and you've got his shoes.

  • Fri, Jun 20 2008 12:21 AM In reply to

    Re: 3 Displays 2 Graphics Cards?

    To my knowledge, we didn't make any improvements to FSP as part of MC 3.0.  There were changes back in 2.8, to expand the luminance and sync page flipping.

    It is possible that some of the improvements we made for scalability also increased image quality.

     

    Brian Williams
    Senior Principal Software Engineer
    Media Products Group
    Avid Technology, Inc.

    "Be a non-conformist like me!"

  • Fri, Jun 20 2008 12:22 AM In reply to

    • jwrl
    • Top 25 Contributor
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    • Melbourne, Australia
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    Re: 3 Displays 2 Graphics Cards?

    Just check that your motherboard will run more that one PCI-e X16 slot at full speed.  Some mobos throttle back as you populate the additional slots.

    MC 7.0.4 - Asus P6T Deluxe V2 mobo - Intel i7 920 2.66GHz - Windows 7 Ult64 SP1 - nVidia Quadro FX 1800 - 16 Gbyte low latency DDR3 RAM - Internal 8 Tb... [view my complete system specs]
  • Fri, Jun 20 2008 2:46 AM In reply to

    Re: 3 Displays 2 Graphics Cards?

    Actually, only the card that runs the FSP and composer window should need to run on a x16 slot.  The card driving the monitor isn't being used for any real-time graphics work for the most part.  You are not running the cards in a SLI or Crossfire configuration, so they really don't need to be in matched slots.  You really only need matched cards to eliminate driver issues.

    The system I developed FSP on had a x16 and a x8 slot, although both were mechanically x16.

     

    Brian Williams
    Senior Principal Software Engineer
    Media Products Group
    Avid Technology, Inc.

    "Be a non-conformist like me!"

  • Sun, Jun 22 2008 12:22 AM In reply to

    Re: 3 Displays 2 Graphics Cards?

     So this "dualhead2go" box sounds cool I have a quadro fx 3450 could i use the dualhead2go box on one DVI port for dual display and the s video out on the other port for FSP?  oh and by the way i run 2 1440 X 900 widescreen monitors

    MC 4.0.3 q9300 core 2 quad 4 GB ram Nvida quadro FX 3450 2 500 GB SATA2 drives in RAID 0 [view my complete system specs]
  • Sun, Jun 22 2008 2:56 AM In reply to

    • macjaeger
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    Re: 3 Displays 2 Graphics Cards?

    Yes, this should work the way you intend it to.

    You must have identical resolutions with both monitors (you do), and your quadro board must support the high horizontal resolution (2880 x 900). Windows and Avid will treat the couple as one single, xxl wide screen, not knowing about the difference at all. And of course you can hook whatever device you like to the second port of your quadro, just like you did before.

    Right now I have two 19" (1280x1024 x 2) TFTs connected to port 1 of my GeForce board via dh2go, and one 22" (1680x1050) widescreen connected to port 2 directly. Under windows this is plenty of screen space for my design and graphics work, and Avid will either use the full 4240 horizontal pixels as workspace (i don't need FSP with most of my SD projects) or switch the 22" to FSP for HDV projects. In the rare cases when i need "real" full-hd resolution i can even use port 1 for FSP, stretching over the full two 19" tfts (although this isn't fun because of the monitor frames).

    I don't know if two identical gfx boards would allow for the same setup, i just had no second x16 port left...

    Take a look at the matrox product pages here, there's even a "triplehead" version available...

     

    MC 3.0 (soft) on 2.4Ghz Intel Core2Quad, 4GB, Win7, 3 Screens hooked to Nvidia GTX260 & 9500GT, 1 TB striping RAID [view my complete system specs]

    not a pro, just a teacher...

  • Thu, Jun 26 2008 9:26 AM In reply to

    • DIESELE
    • Top 100 Contributor
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    Re: 3 Displays 2 Graphics Cards?

    Idea£123 Idea http://www.dabs.com/productview.aspx?Quicklinx=4XN8&SearchType=1&SearchTerms=DualHead2Go&PageMode=3&SearchKey=All&SearchMode=All&NavigationKey=0

    I swould love to be able to have a std 50Hz PAL analogue output from my MC to a grade 2 monitor, but having seen the huge cost of the new Mojo DX (more than twice the cost of the already pricy analogue one) I will need to wait for a special job in to justify buying one of those (and even then it would be HDMI only, probably running at 60Hz and glitching on horiz movement?).

    D

    Symphony 2018.12.10, Blackmagic Intensity Pro 11.1 (unsatisfactory in full res UHD though for client monitor), WIN 10 on 2500Mbps M.2 SSD, Nvidia Quadro K4200, Asus X99-A Mobo, i7 5820K 4.0 GHz Hex core mildly overclocked CPU, 32Gb 2800 Mhz RAM, WD Black 8Tb RAID10 array @ 450Mbs

     

     

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