AMD K3780E - Manual (Page 12)

Mainboard
8
1.4.2 JP1: Clear CMOS Jumper
The "Clear CMOS" function is used when you are unable boot your system and need to reset the
BIOS settings (CMOS settings) back to the manufacturer's original settings. This is also a way to
reset the system password if you have forgotten it.
JP3 Assignment
Pin 1-2 Closed
Normal (Default)
Pin 2-3 Closed
Clear CMOS Data
Note: "Closed" means putting a jumper cap onto two adjacent header pins.
1. Turn off your system and disconnect the AC power cable.
2. Set JP3 header to OFF (2-3 Closed).
3. Wait several seconds.
4. Set JP3 header to ON (1-2 closed).
5. Connect the AC power cable and turn on your system.
6. Reset your new password.
1.4.3 JU1: SPI Program Enable
This Jumper is to select the SPI Program device.
JP2 Assignment
Pin 1-2 Closed
Normal (Default)
Pin 2-3 Closed
EXT. PROGRAMMING
The following steps explain how to reset your CMOS
configurations when you forgot a system password.