ATI HD4870 Sound On Vista Ultimate X64

My Computer

System One

  • Manufacturer/Model
    Home Brew
    CPU
    Intel Core Duo e8400
    Motherboard
    Asus P5Q Pro
    Memory
    G.Skill 2x4gb DDR2 1066
    Graphics Card(s)
    Sapphire Radeon HD4870
    Sound Card
    on board
    Monitor(s) Displays
    LG 22 in.
    Hard Drives
    Seagate Barracuda SATA 320gb
    PSU
    Antec Earthwatts 500 watt
    Case
    Antec 300 Gaming
    Cooling
    Stock on CPU and three Antec 120mm fans.
    Keyboard
    Crappy Wireless
    Mouse
    Gaming
    Internet Speed
    10mb down and 1 mb up
You can click the link below to AMD support in regards to HDMI Audio Driver for the 4800 series card.

Radeon HD 2000/3000/4000 Series - No HDMI Audio Available

Hmmmm....this is rather confusing!? Though I don't use HDMI, I was under the impression it was working. I know the 9.4 driver pack has the HDMI drivers listed as installed.

Cat 9.4 driver install.JPG

Someone over at rage3d mentioned that only one port is enabled for HDMI sound, so try the other port.

Entire post - No HDMI audio with my HD 4550 - Rage3D Discussion Area

Not saying the AMD link is wrong, just wondering if its outdated now. However in that same rage3d post, its also mentioned that AMD planned on fixing this issue in March. And as you see, the 9.4 drivers has HDMI drivers.
 

My Computer

System One

  • Manufacturer/Model
    Custom Built
    CPU
    Intel Core 2 Quad Q6600 2.4GHz
    Motherboard
    Intel D975XBX2
    Memory
    Corsair TWIN2X4096-PC8500 (2x2GHz)
    Graphics Card(s)
    ATI Radeon HD 4890 (1GHz)
    Sound Card
    X-Fi Titanium - Fatality Pro Series
    Monitor(s) Displays
    hp w2207h (22" widescreen)
    Screen Resolution
    1680 x 1050
    Hard Drives
    One 750GB, 2x500GB Western Digital Caviar Black Hard Drives (32meg)
    PSU
    Antec Neo HE 550
    Case
    Antec P182
    Cooling
    Zalman CNPS9500 AT
    Keyboard
    Logitech Wireless Wave
    Mouse
    Logitech MX Revolution
    Internet Speed
    "High" Speed DSL? Is that like low speed FIOS?
    Other Info
    Q6600 B3 Revision OC to 3.0GHz
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