Power worksheet

Use this worksheet to determine your power budget for the BladeCenter S system.

1. Record the wattage for each of the devices that you will install in the BladeCenter S chassis.

Management policy

Number of power modules installed: ______

Note

If you install both disk storage modules, you must install 4 power modules.

Power source: ___ 110 V ac __ 220 V ac

Management policy to be used:

Table 1. Power management policy

	AC power source redundancy
	AC power source redundancy with blade throttling allowed
	Power module redundancy
	Power module redundancy with blade throttling allowed
	Non-redundant

See Power management policies for a description of these policies.

Power consumption of BladeCenter S chassis components

Table 2. Power consumption

Component	Maximum Watts	Installed
Midplane	5W	Yes
Media tray	15W	Yes
Fans (four)	280W	Yes
Advanced management module	25W	Yes
Power modules 1 and 2	24W	Yes
Power modules 3 and 4	24W
I/O module (I/O module bay 1)	45W
I/O module (I/O module bay 2)	45W
SAS connectivity module	65W
SAS connectivity module	65W
SAS RAID controller module	65W
Battery backup unit	10W
SAS RAID controller module	65W
Battery backup unit	10W
Disk storage module	120W
Disk storage module	120W
Blade server bay 1
Blade server bay 2
Blade server bay 3
Blade server bay 4
Blade server bay 5
Blade server bay 6
Total wattage

See Power allocation guidelines to ensure that the total wattage meets the power allocation guidelines for the power policy that you are using.

Use the IBM System x and BladeCenter Power Configurator to assist in planning for power.