Sony PCV-J120 - Vaio Desktop Computer, Справочное руководство

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20
Configuring the System Board
The system board contains a CMOS Clear configuration jumper, and two
sets of reserved jumper blocks (do not change).
The CMOS and Non-Volatile RAM (NVRAM) settings are only cleared if
the checksum test returns false. Access to specific setup fields is
controlled by a supervisor password or user password.
The Clear CMOS mode removes the password that is stored in CMOS. No
other parameters are cleared.
1
Remove the side panel (see “Removing the Side Panel” on page 22).
2
Set the jumpers as directed by a service technician (also see
“Configuration Jumper” on page 62).
3
Reinstall the side panel (see “Replacing the Side Panel” on page 25).
✍
The configuration jumpers should never need changing unless otherwise directed by a
technical support or service technician.
!
Before opening the system, save any open files, exit the Microsoft
®
Windows
®
operating system, turn off the power of the computer and all
attached peripherals, and unplug the power cord.
OM04588.VSD
CMOS Clear
Clear
2-3
Normal
1-2
= default jumper
1 3
CMOS CLR
2
Reserved (do not change)
Reserved (do not change)