Before I continue, I have to tell you that upgrading the BIOS firmware required extra care.
U need to check if you r using the correct firmware or not. If you are not sure, you can download it here.http://img.lanparty.tw/Upload/BIOS/CM/CA63ESN0319.ZIP
after you have the correct files, you need to have the correct environment to upgrade the firmware,
here's the instruction to make a bootable USB Pendrive for the BIOS firmware upgrade.http://tw.dficlub.com/tw/modules/newbb/viewtopic.php?topic_id=1837&forum=27&post_id=6679#forumpost6679
When you are boot into the DOS environment, you will see the A:\ prompt, you need to type in this in order to let the upgrade to proceed,
I have follow the exact filename of the files that you are goinn to download.
These will be the procedure to upgrade ur BIOS firmware. Please be sure that you are understand before you proceed, of not, you can post a comment here and I will follow up to explain to you.
Don't forget to rate my solution, thanks.