Sony PCV-R556DS Reference Manual - Page 33

Configuring the System Board, Configuring Your System - ram

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Configuring Your System 19 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. ✍ 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. 1 Remove the cover (see "Removing the Cover" on page 22). 2 Set the jumpers as directed by a service technician (also see "Configuration Jumpers" on page 67). Reserved (do not change) CMOS CLR 3 2 1 = default jumper 1-2 2-3 CMOS Clear Normal Clear OM 3 Reinstall the cover (see "Replacing the Cover" on page 26). 4 Reinstall the front panel (see "Replacing the Front Panel" on page 25).

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Configuring Your System
19
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 cover (see
“
Removing the Cover
”
on page 22).
2
Set the jumpers as directed by a service technician (also see
“
Configuration Jumpers
”
on page 67).
3
Reinstall the cover (see
“
Replacing the Cover
”
on page 26).
4
Reinstall the front panel (see
“
Replacing the Front 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.
OM
CMOS Clear
Clear
2-3
Normal
1-2
= default jumper
CMOS CLR
1
3
2
Reserved (do not change)