If your BIOS update procedure fails, your system will be useless until you replace the BIOS code. You have two options: Install a replacement BIOS chip (if the BIOS is located in a socketed chip).
Most motherboards with soldered-in flash ROMs have a special BIOS recovery procedure that can be performed. This hinges on a special unerasable part of the flash ROM that is reserved for this purpose.
Most motherboards with soldered-in flash ROMs have a special BIOS recovery procedure that can be performed. This hinges on a special unerasable part of the flash ROM that is reserved for this purpose. In the unlikely event that a flash upgrade is interrupted catastrophically, the BIOS might be left in an unusable state.
In the unlikely event that a flash upgrade is interrupted catastrophically, the BIOS might be left in an unusable state. Recovering from this condition requires the following steps. A minimum of a power supply, a speaker, and a floppy drive configured as drive A should be attached to the motherboard for this procedure to work.
If your BIOS update procedure fails, your system will be useless until you replace the BIOS code. You have two options:
When you power the system back on, the new BIOS should be installed and functional. However, you might want to leave the BIOS upgrade floppy in drive A and check to see that the proper BIOS version was installed.
Because of the small amount of code available in the unerasable flash boot block area, no video prompts are available to direct the procedure. In other words, you will see nothing onscreen. In fact, it is not even necessary for a video card to be connected for this procedure to work.