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Chapter 3 Handling
Computer module C2PU37 User’s Manual
22
3.1.3 Power Off with Windows
If a power supply is turned off without shutdown of Windows, the data in a hard disk is
destroyed and it may be unable to reboot.
Model 2000 is supporting the automatic shutdown of Windows, and the power supply
off-sequence. If the power supply module of exclusive use is used, the shutdown of
Windows can be performed without carrying out operation of a mouse and a keyboard.
Important
• In order to use an automatic shutdown function, the RAS support software installed
in C2 as standard is required.
3.1.4 Power Supply module PS694 with Battery
Shutdown
Request
Windows
RAS driver
Shutdown
Request
C2
Main circuit
Power control signal
Main power for controller
Power Supply Module PS694
Detect AC Failure
l
Operation during power off
(1) An AC input power failure exceeding the preset allowable limit is detected as a
power failure. (Normal operation continues if power fails shorter than that.)
(2) Shutdown is requested to the C2 and the C2 starts shutdown processing.
(3) When the C2 finishes shutdown processing, the power module PS694 cuts
power off by stopping power supply from the battery.