2 power operations, 1 soft power off (s5), 2 hard power off (s5) – ClearCube PCoIP System User's Guide User Manual

Page 60: 3 hibernate (s4), 4 restart, Power operations, Soft power off (s5), Hard power off (s5), Hibernate (s4), Restart

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5.2 Power Operations

ClearCube Technology, Inc.

53

5.2

Power Operations

Power management of the host system is handled primarily by the host TERA processor.

5.2.1 Soft Power Off (S5)

Graceful shutdowns through the operating system (OS), the zero client’s power button (short
press), the blade (host’s) front panel power button, and the host card’s Web interface will cause
the system to enter S5. During this operation the session enters a sleep state. To recover from this
state, press the sleeping zero client’s power button or press any key on the connected keyboard.
Depending on environment variables, POST and system boot screens might be displayed while
the session is resuming and might not be visible. Video typically resumes at the OS login.

5.2.2 Hard Power Off (S5)

This power state is the same as described above, though without a graceful shutdown. Forced
shutdowns through the zero client’s remote power button (long press) or the host card’s Web
interface causes the system to enter S5 state, independent of the OS. During this operation the
session enters the sleep state. To recover from this state, press the sleeping zero client’s remote
power button or press any key on the connected keyboard.

If the zero client is in a state where it has lost the session with its peer (that is, it does not have a
sleeping session), a zero client can initiate a session with the sleeping host card. Additionally, you
can press the power button on the front panel of the host blade to wake the system. Depending on
environment variables, POST and system boot screens might be displayed while the session is
resuming and might not be visible. Video typically resumes at the OS login.

5.2.3 Hibernate (S4)

The Windows Hibernate option is supported. To exit this state, press the sleeping zero client’s
remote power button, press any key on the connected keyboard, or press the power button on the
front of the blade. Depending on environment variables, POST and system boot screens might be
displayed while the session is resuming and might not be visible. Video typically resumes at the
OS login.

5.2.4 Restart

During a restart, the host TERA is reset, which stops the existing session and starts a new session
during the reboot process. Depending on environment variables, POST and system boot screens

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