The producedure to update BIOS on ICOP CPU boards. For PDX Series A ********.ROM--------files name of new BIOS B SPIFLASH.EXE--------AMI 5X86 BIOS utility program 1-Prepare a DOS bootable HDD/ USB Floppy/ USB pen driver 2-Copy those 2 files to HDD/ USB FLOPPY / USB pen driver 3-Run C:\spiflash u xxxxxxxx.rom nomd5 4-Reset the PDX board then depress the "del" key to enter the BIOS setting. 5-Press "F9" then depress "Y"--Auto Configuration with Optimal setting. 6-Press "F10" then depress "Y"--Save and exit BIOS.