Installation guide

Software Operation Manual
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5.5.6 HDD Power Management
RAID Controller has automated the ability to manage HDD power based on
usage patterns. The “HDD Power Management” allows you to choose a
“Stagger Power On Control”, “Low Power Idle”, “Low RPM” and completely
“Spins Down Idle HDD”. It is designed to reduce power consumption and heat
generation on idle drives.
5.5.6.1 Stagger Power On Control
In a PC system with only one or two drives, the power can supply enough power
to spin up both drives simultaneously. But in systems with more than two drives,
the startup current from spinning up the drives all at once can overload the
power supply, causing damage to the power supply, disk drives and other
system components. This damage can be avoided by allowing the host to
stagger the spin-up of the drives. The SAS/SATA drives have support stagger