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Asus "AMI BIOS" Flash & a Universal Follow Up Recovery Routine



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Bios Recovery

USB Flashstick maximal 512Mb wird benötigt, USB Flashstick darf nicht größer als 1Gb sein, besser ist einen von 256MB zu benutzen.




Items required to perform the Asus modified "Boot Block" BIOS recovery:
  • 1. An USB memory stick, must be FAT 32 or FAT 16. Must be less than 1 GB.
  • 2. A PC speaker to hear the motherboard beeps.
  • 3. You must be willing to remove parts from your PC.
  • 4. A great deal of patience which I will define as starting over again from the beginning.
  • 5. Accept that the program will stop, freeze, or not function correctly for little or no reason.
Before you start - Assurance process:
  • 1. Go to your BIOS and set everything to default speeds and voltages, except for memory where you may need some extra volts to make it work correctly.
  • 2. Set your boot order to: floppy, then CD, then hard drive.
  • 3. Skip what you don't have, but this is the order that "boot block" will look for devices.

I have all three, I do not know what "Boot Block" will do if there is no floppy drive.
I hope it will just continue the flash process.
  • 1. P5BE.ROM as the Asus manual states.
  • 2. AMIBOOT.ROM as stated by BIOSMAN.

I did this because P5BE.ROM was not found on the floppy or the CD, so I decided this was cheap insurance. From what I read the "boot block" programs starts automatically only when the flash process fails. The definition of "failed" is when the checksum is not correct. I believe this means if you flashed successfully your PC will not automatically go to the "boot block" program,  even if other parts of your PC do not work, like your video card.
The "Flash process" I have here is a combination of what's in the Asus manual and information obtained from BIOSMAN. The USB device should be installed and your floppy and CD drive should be empty. You need to listen to the PC speaker and react very quickly. I define "turn off the PC" as depressing and holding the power on button until the PC stops.
The Flash process:
  • 1. Turn off the PC.
  • 2. Push and hold down the CTRL and the HOME keys.
  • 3. Power on the PC while holding down both the CTRL and the HOME keys to force "boot block" to execute.
  • 4. In about one second you will hear a single beep, let go of the CTRL and HOME keys very quickly.
  • 5. You will very quickly hear more beeps, that's good. You will see a few messages.
  • 6. You will see one "floppy not found" message.
  • 7. You will see one "CD not found" message.
  • 8. The program should find the file on the USB and start to read it. You may see a progress indicator / - \ moving round and round. Maybe not.
  • 9. The program will say "Completed" for the read, this should never take more than 10 minutes. 10. The program will say "Start flashing" and you may get a progression indicator. Do not interrupt this process for any reason.
  • 11. The program will say your flash is complete or successful.
  • 12. If successful you can turn off your PC, turn it on, and hopefully it will POST and boot up correctly.
  • 13. Go to the "Reset process" if you have problems booting up, such as no monitor.
Errors I encountered:
I define restart as going back to step 1 in "The Flash Process" above.
This list is not all inclusive, there may be other errors.
Hopefully this will not happen to you, but don't count on it.
  • 1. I powered on before I held down CTRL and HOME, the "boot block" program never started.
I had to restart.
  • 2. I held CTRL and HOME keys down too long, it did not work correctly. I don't recall exactly what happened.
I had to restart.
  • 3. I got one or more display messages it and it simply stopped. It may stop after "floppy not found" or after "CD not found". It can simply stop anywhere. You will know for sure after waiting 10 minutes.
I had to restart.
  • 4. I got "floppy not found", floppy noises, and more "floppy not found" messages. The program was looping.
  • I turned off the PC.
  • I turned it on again without holding down the CTRL and HOME keys.
  • The floppy chirped and the screen was still blank.
I had to restart.
  • 5. The file was found on the USB but after 10 minutes the read process did not complete
I had to restart.
The "Reset process".

This is what you do after you successfully flash the BIOS but your PC does not work. Chances are very good that at least one component, probably the video card, has "latched up". This means there's no way to get it to function or reset with the PC on. Turning off the PC is not enough, and neither is unplugging the power supply. Try the following.
  • 1. Turn off the PC if it is on.
  • 2. Remove the power cord from the power supply.
  • 3. Push the power on button. This will drain your power supply.
  • Your PC may attempt to boot for 1 or 2 seconds and stop. That's OK.
  • 4. Ground yourself. Touch some kitchen or bathroom plumbing or put on a ground strap.
  • 5. Unplug your video card, all connections.
  • 6. Wait 5 minutes, go get some coffee.
  • 7. Plug in your video card, all connections.
  • 8. Plug the power supply back in.
  • 9. Make sure power supply is on, the I/O switch on the back, just in case.
  • 10. Power on the PC.
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