Powering On System Unit - Hitachi Compute Rack 220H Getting Started Manual

Powering on system unit

This section describes the procedures to powering on the system unit.
Before powering on the system unit, make sure that 100VAC or 200VAC, the
selection of which is in accordance with the AC cable used, is supplied to the
electrical outlets, the electrical outlet box, or a UPS.
1. Turn on the peripherals such as a computer display.
2. Press the POWER switch on the front side of the system unit.
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Wait more than 10 seconds to turn on the system unit after turning
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off the system unit. If the AC power source to the system unit is
shut down (for example, a circuit breaker at a switchboard is shut
off or AC power from the UPS is shut off by a scheduling function of
UPS), wait at least 30 seconds. The system unit may not start up, if
you turn on the system unit earlier for each case.
Wait more than 10 seconds to powering off the system unit after
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powering on the system unit. After memory check in Power On Self
Test (POST) started, do not turn off the power until the operating
system (OS) starts. Otherwise the system unit may not start next
time.
When an AC cable is connected and the system unit gets supplied with
AC power, both SERVICE LEDs on the front side and the rear side of the
system blinks for about 60 seconds.
If you press the POWER switch while the SERVICE LEDs are blinking,
you have to wait until the blink end to start the system unit.
Depending on a peripheral, you may need to turn on the peripheral
after you turn on the system unit. For details, see the manual of
each peripheral device.
If the setting of system BIOS – Restore AC Power Loss is Power
on, the system unit will be automatically turned on without pressing
the POWER switch after the AC power source was recovered.
Powering on/off system unit
Hitachi Compute Rack 220H Getting Started Guide