IBM System x3550 M3 Type 4254 Installation And User Manual

Also see for System x3550 M3: Installation and user guide Brochure & specs User manual Product guide Installation and user guide

Contents

IBM System x3550 M3 Type 4254 Installation And User Manual Manual pdf 62 page image

System reliability guidelinesTo help ensure proper system cooling and system reliability, make sure that thefollowing requirements are met:v Each of the drive bays has a drive or a filler panel and electromagneticcompatibility (EMC) shield installed in it.v If the server has redundant power, each of the power-supply bays has a powersupply 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 server cover before you turn on the server.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 fan within 30 seconds of removal.v You have replaced a hot-swap drive within 2 minutes of removal.v You do not operate the server without the air baffle installed. Operating theserver without the air baffle might cause the microprocessor to overheat.v Microprocessor socket 2 always contains either a microprocessor baffle or amicroprocessor and heat sink.v You have installed the sixth fan when you installed the second microprocessoroption.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-plug, hot-add, and hot-swap devices and is designed tooperate safely while it is turned on and the server cover is removed. Follow theseguidelines when you work inside a server that is turned on:v Avoid wearing loose-fitting clothing on your forearms. Button long-sleeved shirtsbefore working 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 could fallinto the server as you lean over it.v Avoid dropping any metallic objects, such as paper clips, hairpins, and screws,into the server.Handling static-sensitive devicesAttention: Static electricity can damage the server and other electronic devices.To avoid damage, keep static-sensitive devices in their static-protective packagesuntil you are ready to install them.To reduce the possibility of damage from electrostatic discharge, observe thefollowing precautions:46 IBM System x3550 M3 Types 4254 and 7944: Installation and User’s Guide