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5-4
IBM Personal Computer User Guide
After making the necessary setting change in Setup, you can use the power button
to enter system Standby mode by pressing the button for less than four seconds
while the computer is on.
Take note of the following when using Standby feature.
When the system is in "normal on" state:
• Pressing the power button for
more than four
seconds turns off the system
power.
• Pressing the power button for
less than four
seconds brings the system into
Standby mode.
• Any normal IRQ event, such as a modem ring in, wakes up the system from
Standby mode and turns it to the "normal on" state. (For more information
about Modem Ring In, refer to “Automatic Power On” on page 6-19
When the system is in "normal off" state:
• Pressing the power button, regardless of the length of time you press it (less
than or more than four seconds), simply turns the system power on.
Note:
The above step works only when the system is
already on.
Note:
Take note that, while the system is in Standby mode,
pressing the power button for less than four seconds
does not wake the system up.