Lenovo 102912U Installation And User Manual

Contents

• Remove the new part from the static-protective package and directly install it in the server withoutplacing it on any other surface. If it is hard for you to do this in your specific situation, place thestatic-protective package of the new part on a smooth, level surface, and then place the new part onthe static-protective package.• Do not place the part on the server cover or other metal surface.• Take additional care when handling devices during cold weather. Heating reduces indoor humidityand increases static electricity.Working inside the server with the power onAttention:Static electricity that is released to internal server components when the server is turned on might cause the server tohalt, which might result in the loss of data. To avoid this potential problem, always use an electrostatic-discharge wriststrap or other grounding system when you work inside the server with the power on.The server supports hot-swap devices and is designed to operate safely while it is turned on and the cover isremoved. Follow these guidelines when you work inside the server with the power on:• Avoid wearing loose-fitting clothing on your forearms. Button long-sleeved shirts before working insidethe server; do not wear cuff links while you are working inside the server.• Do not allow your necktie or scarf to hang inside the server.• Remove jewelry, such as bracelets, necklaces, rings, and loose-fitting wrist watches.• Remove items from your shirt pocket, such as pens and pencils. These items might fall into the server asyou lean over it.• Avoid dropping any metallic objects into the server, such as paper clips, hairpins, and screws.Removing the server coverAttention:Do not open your server or attempt any repair before reading and understanding the Safety Information and theWarranty and Support Information on the ThinkServer Documentation DVD that came with your product, and“Guidelines” on page 21. To obtain a copy of the publications, go to:http://www.lenovo.com/supportThis section provides instructions on how to remove the server cover.Attention: For proper cooling and airflow, install the server cover before turning on the server. Operating theserver for more than 30 minutes with the server cover removed might damage server components.To remove the server cover, do the following:1. Remove all media from the drives. Then, turn off all attached devices and the server.2. Disconnect all power cords from electrical outlets.3. Disconnect the power cord, Input/Output (I/O) cables, and all other cables that are connected to theserver.4. Remove any locking device that secures the server cover, such as a padlock.Chapter 5. Installing, removing, or replacing hardware 23