Sony PCV-E204 - Manual (Page 76)

VAIO MicroTower System Reference 68
Clear Password and BIOS Recovery
The computer is shipped with an unused jumper cap on pins 2 and 3 (pin
3 is floating) for future use. The jumper cap should remain in this inactive
position unless otherwise directed by a technical support person.
JP2, JP3
Position
Pins Description
BIOS RCVRY 1 - 2 BIOS recovery mode
CLEAR PSWD 4 - 5 Password clear mode
KY0059.VSD
BIOS
RCVRY
JP3 JP2
CLEAR
PSWRD
1 2 3 4 5