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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

Mac Pro 1,1 HDMI audio


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kyung

 
Member Since: May 04, 2014
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Hi,
I have a Mac Pro 1,1 running on Mavericks with an updated graphics card, ATI Radeon HD 5770 1024 MB. The mac runs fine on mavericks with the graphics card. I also have Windows 7 Ultimate installed.
My question is this...

I use a TV screen as the main monitor for this computer and when using the Mac Pro on Windows, I have realised I'm able to get audio to come through the TV connected via HMDI.
However, when using the Mac on OS X it's not able to use HDMI audio. I've looked online to this and it says that pre 2010 Macs don't support this feature, but my Pro does on Windows? Can I get it to work on OS X as well?
Thanks in advance!
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Only a guess - never had a Mac Pro - Have you checked in Sound preferences and selected the appropriate output?

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If it is running Mavericks it is not a Mac Pro 1.1 unless you have turned it into a complete Hackintosh as they are 32bit EFI.

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Last edited by harryb2448; 05-04-2014 at 06:28 PM.
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kyung

 
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It is running Mavericks using the guide by Tiamo, which is just a change in the Boot.efi file.
But either way, it runs Windows 7 64bit too as these Mac Pros were able to run 64bit OS just that the bios or something was 32 bit only..
But seeing as the audio does come through on the TV in Windows, do you think it's just something that needs to be installed/changed on OS X side? I spoke to someone and they mentioned flashing the graphics card?
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kyung

 
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Quote:
Originally Posted by bobtomay View Post
Only a guess - never had a Mac Pro - Have you checked in Sound preferences and selected the appropriate output?
Yeah I've checked in the preferences, no HDMI audio listed
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How exactly did you have the HDMI cable connected to the Mac Pro? I had a 1.1 and to get the audio into the TV I had to resort to using an optical cable. There was no direct HDMI connection on that model Mac so the option was either a connection from the speaker out to the TV or a direct connection from the optical out to either a stereo or tv that can handle optical input.

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Since you are using a PC 5770 it's not going to happen

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Quote:
Originally Posted by Slydude View Post
How exactly did you have the HDMI cable connected to the Mac Pro? I had a 1.1 and to get the audio into the TV I had to resort to using an optical cable. There was no direct HDMI connection on that model Mac so the option was either a connection from the speaker out to the TV or a direct connection from the optical out to either a stereo or tv that can handle optical input.

As I stated, I upgraded the graphics card to a 5770 and it has HMDI connections
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Quote:
Originally Posted by Germany_chris View Post
Since you are using a PC 5770 it's not going to happen
That sucks, but thank you for your help!
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