Intel SBC-455 - Manual (Page 41)

Chapter 2 Installation 33
Flash BIOS Protect (JP8)
You can set the JP8 to protect BIOS write-enable. The configura-
tion is as follows:
Flash BIOS Protect (JP8)
Write protect (default) Write-enable
Flash BIOS Write-enable Voltage (JP13)
This jumper sets the voltage supplied to the Flash BIOS Write-
enable. The figure below shows the proper jumper settings for
both 5V and 12V voltage.
Flash BIOS Write-enable Voltage (JP13)
5 V (default) 12 V