Dell OptiPlex 160L - Manual (Page 20)

To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated.
Power Button
You can use the ACPI feature to configure the function of Windows 2000 and Windows XP operating systems.
Power Button Functions With ACPI Enabled
NOTICE: Ensure that your computer is turned off and unplugged before you change the jumper settings. Otherwise, damage to your computer or
unpredictable results can occur.
NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.
Jumper Setting Description
CLEAR
PASSWORD (default)
Password
features
are
enabled.
Password
features
are
disabled.
CLEAR CMOS Real-time
clock reset.
jumpered unjumpered
NOTICE: To turn off your computer, perform an orderly computer shutdown when possible.
Action Results
Computer Turned
On
and ACPI Enabled Computer in
Standby
Mode Computer
Turned Off
Press
power
button
Computer goes into
standby mode or
turns off (depending
on the operating
system setup)
Computer
turns on
Boots and
computer
turns on
Hold
power
button
for 6
seconds
Computer turns off Computer
turns off
Boots and
computer
turns on
NOTE: Pressing or holding the power button to shut down
the computer may result in data loss. Use the power button
to shut down the computer only if the operating system is
not responding.