Sony PCV-RX590G - Manual (Page 67)

System Board 55
CLR CMOS Jumper
The CLR CMOS Jumper clears the BIOS password setting.
CLR CMOS Jumper settings
Jumper Plug Position Function
2-3 Normal
1-2 Clear CMOS Password
✍
The configuration jumpers should never need changing unless otherwise directed by a
technical support of service technician.
1
2
3
CLR CMOS