9-2 Upgrading Your ServerSAFETY NOTESObserve the following notes to install or remove optional devices safely and properly.WARNINGObserve the following instructions to use the server safely. Failure to followthese instructions may result in death or serious personal injury. See pages 1-3to 1-8 for details.■ Do not disassemble, repair, or alter the server.■ Do not look into the DVD-ROM drive.■ Do not remove the lithium, Ni-CD, and/or NiMH 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.■ Do not lift the server only by a single person.■ Make sure to complete board installation.■ Do not pinch your fingers with mechanical component.■ High temperature■ Put a connector cover on an unused connector.