7-2 MaintenanceCLEANINGClean the server on a regular basis to keep the server in a good shape.WARNINGObserve the following instructions to use the server safely. Failure to followthese instructions may result in death or serious personal injury. See pages1-3 to 1-8 for details.■ Do not disassemble, repair, or alter the server.■ Do not look into the CD-ROM drive.■ Do not remove the lithium battery.■ Disconnect the power plug before working with the server.CAUTIONObserve the following instructions to use the server safely. Failure to followthese instructions may cause a fire, personal injury, or property damage. Seepages 1-3 to 1-8 for details.■ Avoid installation in extreme temperature conditions.■ Make sure to complete board installation.■ Protect the unused connectors with the protective cap.