NEC N8405-013F User Manual page 37

Express5800/bladeserver series
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IMPORTANT:
Notes in case of the installation of two or more power units in the
Blade Assembly Unit:
– In order to enable the automatic power-on of the CPU blades at the
re-supply of AC power when [AC-LINK] in the [System
Hardware] menu of BIOS is set to [Last State] or [Power On], the
time difference between the supply of AC power to a single power
unit and that to every power unit must be within about 10 seconds.
If the time difference is longer than about 10 seconds, some CPU
blades may not powered on automatically.
– If the time difference between the supply of AC power to a single
power unit and that to every power unit is longer than about 10
seconds at the start of the AC power supply, some changes of the
power supply status (including the power shortage error) may be
recorded in the event log.
– If the time difference between the stop of the power supply to a
single power unit and that to every power unit is longer than about
three seconds, some changes of the power supply status (including
the power shortage error) may be recorded in the event log.
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