1. Ac97 Audio Drivers Windows Xp
2. C-media Ac97 Audio Device 5.12.1.49

The ATI HDMI Audio Device Driver is a software complement to your sound card. License: Free OS: Windows 7 Windows 8 Language: FR Version: R2.70. Drivers Realtek AC'97 Audio. Drivers Realtek AC'97 Audio is the official driver for the Realtek AC'97. License: Free OS: Windows XP Windows 2000 Language: EN Version: A4.06.

• AC'97 is an audio codec standard developed by Intel Architecture Labs in 1997. It defines a set of registers that can be used to control the audio input and output parameters of an audio device. It does not include details concerning how to access these registers, however.
• Install VIA Realtek AC97 Audio for (R) Audio Controller driver for Windows 7 x64, or download DriverPack Solution software for automatic driver installation and update.

Run a VM / Windows XP and open softwares with the error 'full-duplex sound card required'.
I checked the Control Panel and any multimedia audio device driver is not installed.
Access in ' Control Panel ' , will the Sounds and Audio Devices there is no standard playback device and not recording (there is no way to select anything, because the controls are disabled) .
In my ' VirtualBox> Settings> audio ' , audio is enabled and audio driver host> ' sound windows direct ' and audio controller: ' ICH AC97 ' .

Ac97 Audio Drivers Windows Xp

C-media Ac97 Audio Device 5.12.1.49

I have to solve this? Thanks