You're looking asrock realtek hd audio 5 1 for Windows. It's 100% safe, uploaded from checked source and passed F-Secure antivirus scan!
Driver Info:
File name: asrockrealtekhdaudio51.exe
Version: 1.3.8
File size: 2 458 KB
OS: Win XP, Win Vista, Windows 7, Windows 8
Upload source: original install disk
