IBM System x3400 M3 Types 7378 Installation And User Manual

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v Orange on a component or an orange label on or near a component indicatesthat the component can be hot-swapped, which means that if the server andoperating system support hot-swap capability, you can remove or install thecomponent while the server is running. (Orange can also indicate touch points onhot-swap components.) See the instructions for removing or installing a specifichot-swap component for any additional procedures that you might have toperform before you remove or install the component.v When you work inside the server, you might find it easier to lay the server on itsside.v For a list of supported optional devices for the server, see http://www.ibm.com/servers/eserver/serverproven/compat/us/.System reliability guidelinesTo help ensure proper cooling and system reliability, make sure that the followingrequirements are met:v Each of the drive bays has a drive or an electromagnetic compatibility (EMC)shield installed in it.v There is adequate space around the server to allow the server cooling system towork properly. Leave approximately 50 mm (2.0 in.) of open space around thefront and rear of the server. Do not place objects in front of the fans. For propercooling and airflow, replace the left-side cover before you turn on the server.Operating the server for extended periods of time (more than 30 minutes) withthe left-side cover removed might damage server components.v You have followed the cabling instructions that come with optional adapters.v You have replaced a failed fan within 48 hours.v You have replaced a hot-swap drive within 2 minutes of removal.v You have replaced a hot-swap fan within 30 seconds of removal.v You do not remove the air duct or air baffles while the server is running.Operating the server without the air duct or air baffles might cause themicroprocessor to overheat.v Microprocessor socket 2 always contains either a microprocessor baffle or amicroprocessor and heat sink.Working inside the server with the power onAttention: Static electricity that is released to internal server components whenthe server is powered-on might cause the server to halt, which might result in theloss of data. To avoid this potential problem, always use an electrostatic-dischargewrist strap or other grounding system when you work inside the server with thepower on.The server supports hot-swap devices and is designed to operate safely while it isturned on and the cover is removed. Follow these guidelines when you work insidea server that is turned on:v Avoid wearing loose-fitting clothing on your forearms. Button long-sleeved shirtsbefore you work inside the server; do not wear cuff links while you are workinginside the server.v Do not allow your necktie or scarf to hang inside the server.v Remove jewelry, such as bracelets, necklaces, rings, and loose-fitting wristwatches.v Remove items from your shirt pocket, such as pens and pencils, that might fallinto the server as you lean over it.30 IBM System x3400 M3 Types 7378 and 7379: Installation and User's Guide