Please follow the below steps to update BIOS:

1. DOS mode 
      Step 1: In Windows mode , please make a new folder "c:\bios" and download FBB026ww.zip file to this folder.
      Step 2: Extract FBB026ww.zip under this folder.   
      Step 3: Get/create a bootable disk.
      Step 4: Insert the bootable disk into floppy drive (or external USB floppy drive) and reboot the system. 
      Step 5: Press <F2> to enter BIOS setup, choose [Boot] on the top menu, follow the instructions to select "Floppy Drive" as first boot device, then save setting and reboot.  Please make sure to enable [Legacy USB Support] in Advanced page if you use external USB floppy drive.
      Step 6: Go to directory "c:\bios" and execute the batch file BOL113.bat to update BIOS in DOS mode

2. Windows Mode
   Step 1: Please download FBB026ww.zip file to Windows desktop.
   Step 2: Choose FBB026ww.zip icon and use mouse right key to select "EXtract All..." to decompress this file.   You will get  BOL113.bat. 
   Step 3: Execute BOL113.bat and follow the instructions to update BIOS.

3. Revise histrory: 
BIOS v1.13
1. Combine new KBC 185AC538 (Version 01.85AC.05.38) for BOLSENA Series

KBC v5.38
1. Fix the deadlock when KBC initialing.
