Driver para HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1002\5&15E9551A&0&0001

Driver ATI HDMI Audio:
HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1002\5&15E9551A&0&0001

http://support.amd.com/us/gpudownload/windows/Pages/hdmi_xp.aspx