4 ST11950 and ST12550 Installation Guide, Rev. D
•Ensure that the internal temperature of the rack or cabinet does not exceed the limits defined for the drive when the drive is mounted in an equipment rack or cabinet. When units are stacked vertically, pay atten- tion to the top where temperatures are usually highest.
•Follow the precautions listed above in “Electrostatic discharge protection.”
•Do not remove any circuit boards from the drive chas- sis. Return the entire drive for depot repair if any circuit board is defective. Removal of circuit boards by per- sonnel not performing depot repair will damage com- ponents and may void the warranty.
•Do not remove the head and disc assembly (HDA) from the drive chassis. Return the entire drive for depot repair if the HDA is defective.
•Do not attempt to disassemble the HDA. It is not field repairable. If the sealed HDA is opened by personnel not performing depot repair, this will damage compo- nents and void the warranty.
As a component, this drive is designed to be installed and operated in accordance with UL1950, IEC950, EN60950, CSA C22.2 950, and VDE0805.
Seagate takes all reasonable steps to ensure that its products are certifiable to currently accepted stan-