I did´nt see that earlier, changelog of bios 1478:

New Fixes/Features:
- Fixed issue where Intel Desktop Control Center failed to start
with certain processor.
- Updated processor support.
- Fixed language switching and 'Exit discard Changes' could slow
down the responsiveness of BIOS setup page.
- Fixed issue where optical drive and hard drive is not booted in
the order according to Boot Order.
- Added ability to underclock production non-XE processor
multipliers.
- Fixed issue on getting the Max Ratio of the CPU.
- Fixed issue where L2 cache size will not be displayed in BIOS
setup.
- Fixed POST code 5Ah hang with SATA HDDs and PCI Graphics card
in Slot 2.
- Added a workaround of option ROM which has an invalid PCI
Expansion ROM Header.
- Hid AHCI option ROM text when not running in RAID mode.
- Fixed issue causing Watchdog Timer firing to not be detected.
- Fixed blue screen during Vista* UEFI installation.
- Fixed issue where graphics cards that don't support 800x600
mode will not display anything on screen during POST.
- Added PCIe Link Width information for all PCIe Slot in Video
Configuration Setup page.
- Added support for booting El-Torito HDD emulation Memtest86+
with AHCI Option ROM.
- Fixed hard drive detection after cold reboot in AHCI mode.