Windows XP Downgrade Limitation for VPCX11

1. Sounds are not being output when playing back a DVD title in Dolby Digital Sounds by Windows Media Player.
    - MS Decoder for Dolby Digital Sounds is required.
2. Plug and Display function does not work.
3. Wireless WAN function does not work. (Wireless WAN bundle models)
4. WiMAX function does not work. (WiMAX bundle models)
5. The contents are that of Bluetooth 2.0 + EDR.
6. The copyright protection function of the SD memory card does not work
7. WinDVD can't playback on the clone mode. (Only Intel Graphics model)
8. Online and Offline manual are not offered for XP Downgrade.
9. VGP-BGU1 (Bluetooth GPSUnit) is NOT supported.