Ch3. System information

„BIOS Flash

You can update BIOS using a floppy disk drive.

Because this system is not equipped with any floppy disk drive, you have to use an external USB drive for a BIOS update. In order to boot up with an USB drive, please set Removable Device as the first boot up drive in the boot menu of BIOS setup.

·How to update flash ROM in DOS

1.Create ‘boot up’ flash update diskette.

2.Copy a ROM image file (*.wph) into the root of the flash update diskette.

3.Copy phlash16.exe to the flash update diskette.

4.Insert the diskette into the FDD of your computer.

5.Boot your computer with the diskette, and type ‘phlash16*.wph /mode=n’.

6.Cold boot and follow the instruction displayed on the screen.

·Flash options /mode=n

0– Default mode. Keep the current DMI information and update BIOS image only.

1– Update DMI information only.

If new DMI information is not specified, the current DMI information is left unchanged.

2 – Update BIOS and DMI information.

If new DMI information is not specified, the current DMI information is left unchanged.

3 – Update BIOS and DMI information.

DMI information is updated to the DMI string and options specified in the new BIOS image.

Note

DMI is Desktop Management Interface

18

Page 19
Image 19
LG Electronics LW20 service manual Ch3. System information „ Bios Flash