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HT5918: Mac Pro (Late 2013): Using multiple displays

Learn about Mac Pro (Late 2013): Using multiple displays

HT5918 Display Port Monitors with MacPro 2013

542 Views 5 Replies Latest reply: Jan 4, 2014 12:53 PM by Grant Bennet-Alder RSS
mobydivingdick Calculating status...
Currently Being Moderated
Jan 4, 2014 3:43 AM

As of now, I am using 5 monitors on my MP 2006 and intend to move on to the new MP 2013.

 

After reading this note ( http://support.apple.com/kb/HT6008 ) I have some questions.

 

This article states that we can connect up to 6 monitors with mini-display port , and various restrictions on DVI and HDMI ones. However, it does not mention Display Port models, that can be connected via a Display / Mini Display port adapter.

 

My first question is then to know wether I can connect up to 5 ( or 6 ) of such monitors at the same time  ( with DP to Mini DP adapters ) ?

 

My second would be to know wether I can connect 2 monitors with DVI to Mini DP adapters and 2/3 monitors with Display to Mini DP adapters at the same time ?

 

Finally, as there are no mentions of limits to VGA monitors used with VGA to Mini DP adapters : does that mean that I can use 5/6 monitors at teh same time that way ?

 

Thank's for your help in getting answers, as I need to be sure of what works before upgrading my old workhorse ... :+))

OS X Mavericks (10.9.1)
  • The hatter Level 9 Level 9 (58,535 points)

    just follow the instructions for using three displays per 5770. you will of course block another PCI slot and only have 4x (mabe 8x) on the 2nd 5770.

     

     

    Apple Mini DisplayPort adapters: Frequently asked questions (FAQ)

    http://support.apple.com/kb/HT3382


    Guide to Apple graphic display adapters needed
    https://support.apple.com/kb/HT3235

    https://support.apple.com/kb/HT3235
    Atlona (Dual Link) DVI to Mini DisplayPort Converter for Apple 27-inch LED and 27-inch iMac

    http://www.atlona.com/Atlona-Dual-Link-DVI-to-Mini-DisplayPort-Converter-USB-Pow ered.html

  • Grant Bennet-Alder Level 8 Level 8 (48,105 points)

    1.

    we can connect up to 6 monitors with mini-display port ... it does not mention Display Port models, that can be connected via a Display / Mini Display port adapter.

     

    DisplayPort is electrically the same as Mini DisplayPort. The adapter is simply a re-assignment of the pins to the different connectors. Some users find this adaptation is better performed with an adapter-cable, rather than a discrete adapter. Rules that apply to Mini DisplayPort stand exactly the same as (full size) DisplayPort.

     

    2.

     

    connect 2 monitors with DVI to Mini DP adapters AND 2/3 monitors with Display to Mini DP adapters at the same time ?

     

    These appear to be limited to 2 Single-Link DVI adapters unless you use USB-powered ACTIVE adapters. This setup is complicated, and that is not "The Apple way". it may suddenly require ALL adapters be ACTIVE adapters.

     

    3.

    VGA to Mini DP adapters : does that mean that I can use 5/6 monitors at the same time that way ?

    No. These will also be limited to easy use with the two display adapters. In today's digital display age, VGA is not a solution to anything. It is grudgingly provided to run your old projector.

     

    All VGA Adapters are ACTIVE -- they contain a chip that generates the Analog signal from the DisplayPort signal provided, and the VGA signal degenerates further in the process, and has limited resolution. There are no VGA Adapters which have the extra USB input, so that alone may limit you to the two specified.

     

    4.

     

    For completeness, keep in mind that a 4K display can use up to 14G bits/second (variable depending on how much is changing on screen) for a moving picture, so there may not be as much as expected left over on that 20G bits/sec ThunderBolt channel (2 ports/channel) to run your Drives.

     

    .

    Mac Pro (Early 2009), Mac OS X (10.6.8), & Server, PPC, & AppleTalk Printers
  • Grant Bennet-Alder Level 8 Level 8 (48,105 points)
    Currently Being Moderated
    Jan 4, 2014 12:53 PM (in response to mobydivingdick)

    2. additional clarification:

     

    I am sure two adapters to Single-Link DVI will work fine.

     

    I expect you can mix in additional [Mini] DisplayPort cables for up to six displays.

     

    What we do not yet know for sure is  'pressing on beyond two DVI displays'. It is not specifically precluded by that article, but it could get really complicated, with lots of expensive adapters that need additional (USB or equivalent) power.

    Mac Pro (Early 2009), Mac OS X (10.6.8), & Server, PPC, & AppleTalk Printers

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