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  1. #1


    Member Since
    Jul 22, 2008
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    4
    Specs:
    Mac Pro 8-core 2.8
    Question ATI Radeon 2600XT HDMI audio output ?
    Greetings to everyone.
    1st post.

    I have a new 8-core Intel Mac Pro 2.8ghz with the ATI Radeon 2600XT graphics card.

    This card, in conjunction with the ATI 6141054300G DVI-HDMI adapter, is supposed to route the audio along with the video, thru a single HDMI cable.

    I have tried the adapter thru both port 1 and port 2, on several different LCD HDTV's, and so far have yet to hear audio, or see the option to route audio thru HDMI, in the system preferences>sound menu.

    I'm sure there's something very simple I have overlooked, and if anyone can help me route the audio (stereo or 5.1) thru the DVI-HDMI adapter, I would be very grateful.

    Thanks.

  2. #2

    bryphotoguy's Avatar
    Member Since
    Feb 02, 2007
    Location
    Chicago, IL
    Posts
    3,978
    Specs:
    Quad 2.8GHz Mac Pro, Edge iPhone
    No DVI connection supports audio- it's a video only connection.

    January 2008 Member of the Month

  3. #3


    Member Since
    Jul 22, 2008
    Posts
    4
    Specs:
    Mac Pro 8-core 2.8
    ^No. It is an HDMI connection, thru the adapter.

    ATI's website clearly states that this card can route 5.1 surround sound audio thru HDMI using the ATI DVI-HDMI adapter (6141054300G). Certain ATI cards have extra pins for audio, and the radeon 2600 is listed on ATI's site as one of those cards.

    I assume since my Mac Pro came with the 2600XT pre-installed, the software/driver needed to route audio is not currently installed on my Mac.

    Or perhaps something else obvious such as this.
    I will call Apple and ATI both tommorrow, from work if I have to, but I am so eager to purchase a new LCD HDTV, that I hoped to find an aswer on the web today.

    If anyone knows the solution, I would be extremely grateful.
    Thanks.

  4. #4

    bryphotoguy's Avatar
    Member Since
    Feb 02, 2007
    Location
    Chicago, IL
    Posts
    3,978
    Specs:
    Quad 2.8GHz Mac Pro, Edge iPhone
    Right- it's turning the DVI connection into an HDMI connection. HDMI can handle audio but DVI can't which is why you are not getting sound.
    Maybe ATI makes a 2600XT card with a built-in HDMI port?

    Or link us to the page that explains how the card and adapter have extra pins for audio.

    January 2008 Member of the Month

  5. #5

  6. #6

    bryphotoguy's Avatar
    Member Since
    Feb 02, 2007
    Location
    Chicago, IL
    Posts
    3,978
    Specs:
    Quad 2.8GHz Mac Pro, Edge iPhone
    Look at the ATI page. It describes the card as having 512MB of GDDR3 memory and the HDMI output. The 2600 card that ships with the Mac Pro is only 256MB and has dual DVI ports.

    Because DVI supports video only, you will need to run a audio cable as well.

    January 2008 Member of the Month

  7. #7

    bryphotoguy's Avatar
    Member Since
    Feb 02, 2007
    Location
    Chicago, IL
    Posts
    3,978
    Specs:
    Quad 2.8GHz Mac Pro, Edge iPhone
    So, what did ATI or Apple say??

    January 2008 Member of the Month

  8. #8


    Member Since
    Sep 26, 2008
    Posts
    1
    Apple's Response to 200XT Audio over HDMI
    Apple seems is hard headed on this subject as well. I've submitted multiple bug fix requests to the Apple site regarding this issue. I'd suggest continuously submitting bug fix reports to Apple. Below are their responses:

    Message 1 (4/4/08)----->
    Engineering has determined that this issue behaves as intended based on the following information:

    The 2600XT cards in Mac Pro do not have an HDMI port - it's just DVI.

    We consider this issue closed.

    Message 2 (5/14/8)------>
    Engineering has determined that this issue behaves as intended based on the following information:

    We are not seeing HDMI support mentioned in tech spec for MacPro. http://www.apple.com/macpro/specs.html

  9. #9

    iguy's Avatar
    Member Since
    May 26, 2008
    Location
    Ontario, Canada
    Posts
    41
    Specs:
    none as of yet
    Kinda unrelated but how fast is that mac pro? eight cores wow thats awsome
    _____________________________________

  10. #10

    B&O's Avatar
    Member Since
    May 18, 2007
    Location
    Brit in Tokyo.
    Posts
    745
    Specs:
    MBP i7, Mac Mini & iPhone 3G.
    I am guessing it is as fast as the software that runs on it.

  11. #11

    mick_aka's Avatar
    Member Since
    Sep 17, 2008
    Location
    Stafford, UK
    Posts
    54
    Specs:
    15" Macbook Pro, 2.5GHz Intel Core 2 Duo, 4 GB RAM, GeForce 8600M GT 512MB.
    I would love to do some Maya rendering on that beast.

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