Asus RS161-E5/PA2 - Manual (Page 56)

Chapter 4: Motherboard information 4-8
5. Force BIOS recovery setting (3-pin RECOVERY1)
This jumper allows you to quickly update or recover the BIOS settings when it
becomes corrupted.
To update the BIOS:
1. Prepare a floppy disk that contains the latest BIOS for the motherboard
and the Afudos utility. Make sure you download the correct BIOS for your
motherboard model.
2. Set the jumper to pins 2-3.
3. Insert the floppy disk then turn on the system to update the BIOS.
4. Shut down the system.
5. Set the jumper back to pins 1-2.
6. Turn on the system.
KFSN4-DRE
®
KFSN4-DRE BIOS recovery setting
RECOVERY1
Disable
(Default)
Enable
2 3 1 2