Sony PCV-J150 System Reference Manual (primary manual) - Page 34

Heading2 - Configuring the System Board, Removing the Side Panel, Configuration Jumper - ram

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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 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). 123 CMOS CLR = default jumper 1-2 2-3 CMOS Clear Normal Clear OM04588.VSD 3 Reinstall the side panel (see "Replacing the Side Panel" on page 25). 20

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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 C
lear
C
lear
2-3
Norma
l
1-2
= default jumper
1
3
CMOS CLR
2