In this post you can find ati b403.
Info:
File: ati_b403.zip
Driver version: 2.0.6
File size: 4.120 MB
OS: Win XP, Win Vista, Windows 7, Win 8, Windows 10
File is 100% safe, uploaded from safe source and passed F-Secure virus scan!
Download Ati B403:Server US | Server EU