IBM BladeCenter HS22V 7871 Problem Determination And Service Manual page 15

Rack Safety Information, Statement 2
DANGER
v Always lower the leveling pads on the rack cabinet.
v Always install stabilizer brackets on the rack cabinet.
v Always install servers and optional devices starting from the bottom of the
rack cabinet.
v Always install the heaviest devices in the bottom of the rack cabinet.
UL regulatory information
This device is for use only with Listed chassis.
xiii
Safety