2.While USB Legacy support is disabled in the BIOS , USB boot device can still boot.
3.After clear CMOS the date will be set to the BIOS release date.
4.Do not check keyboard present during POST.
5.Display 'ACPI Compliant BIOS' in the POST screen.
Updating BIOS Procedures
Create a bootable system floppy disk.
Download the FLASH.EXE and copy FLASH.EXE to the just created boot disk in step 1.
Download an updated ASRock BIOS file (WinZip format with .zip file extension) from the web site, unzip the BIOS file and save to the disk you created in step 2.
Boot from the disk you created in step 3.
At the "A:\" prompt, type FLASH, hit space bar once, and type BIOS file name t