Feature enhanced:
1. Update UMA VBIOS to 1926
2. Disable WOL with DC mode.
Issue fixed:
1. DF344676 W-U:One page is black at Graphics Mode test and LCD pattern test in DellDiag .
2. DF350048 - PW:Fn+Page up/down/End keys can control audio volumn.
3. Fix L2 cache size error with setup menu and SMBIOS.