Realtek HD ALC 880 Audio CODECs for Windows 2000, Windows XP/2003 (32/64 bits).

For complete release notes please go here:
http://www.realtek.com.tw/downloads/hdreadme.pdf
Alternative drivers to Realtek HD ALC 880 Audio CODECs R1.54 for Win XP/2000/2003 (32/64 bits):