Dell iDRAC6 User Manual page 186

– Reset System (warm boot) reboots the system without powering off.
This option is disabled if the system is already powered off.
– Power Cycle System (cold boot) powers off and then reboots the system.
This option is disabled if the system is already powered off.
5 Click Apply.
A dialog box appears requesting confirmation.
6 Click OK to execute the power management action you selected.
Using RACADM
To perform power actions from local RACADM, enter the below command at a
command prompt:
racadm serveraction <action>
where <action> is powerup, powerdown, powercycle, hardreset,
or powerstatus.
NOTE:
For more information about serveraction, including output details,
see "serveraction."
186
Power Monitoring and Power Management