Memorex MX2760 - Manual (Page 6)

Power Off
Closes the operating system and turns the computer off.
(Although this key is a standard key under Windows 98SE,
Windows 98SE processes it as if it were a sleep key).
F. Using the Function Keys
Power Management
Your keyboard has three power management buttons to control
Power Off, Sleep, and Wake Up.
• Win 98SE, Me, 2000, XP
• Win 98SE, NT 4.0
The Power Management keys-Power Off, Sleep, and Wake-are
processed by these Windows operating systems as ACPI (Advanced
Configuration and Power Interface) keys instead of being processed
by the keyboard drivers. But since control of the functions under
these operating systems is incomplete, there is an option to have the
keyboard driver process the keys.
The default state of this option is enabled. If you want to disable the
option, click the 'KeyMaestro' icon on the taskbar and then select
the "ACPI Key Enabled" command. Depending on your system
compatibility in ACPI, you can determine whether the ACPI keys are
enabled and processed by the driver or not.
In case some errors do occur or the system hangs up due to driver or
settings conflicts, disable the ACPI keys and check the ACPI settings
on the motherboard.
Wake up Wakes the computer from the Sleep Mode and returns
it to the previous working status.
Sleep
Places the computer in Sleep (power-saving) Mode.
Pressing any key will wake up your system and return to
the previous working status. (Windows NT 4.0 does not
support the sleep function. This key will be processed as
Power Off by the keyboard driver if the option is
enabled. See below).