IBM 8840 Hardware Maintenance Manual - Page 34
System, reliability, guidelines, Working, inside, server, power - eserver xseries 346 - -
UPC - 000435863799
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v Blue on a component indicates touch points, were you can grip the component to remove it from or install it in the server, open or close a latch, and so on. v Orange on a component or an orange label on or near a component indicates that the component can be hot-swapped, which means that if the server and operating system support hot-swap capability, you can remove or install the component while the server is running. (Orange can also indicate touch points on hot-swap components.) See the instructions for removing or installing a specific hot-swap component for any additional procedures that you might have to perform before you remove or install the component. v For a list of supported options for the server, go to http://www.ibm.com/servers/ eserver/serverproven/compat/us/ . System reliability guidelines To help ensure proper cooling and system reliability, make sure that: v Each of the drive bays has a drive or a filler panel and electromagnetic compatibility (EMC) shield installed in it. v Each of the power-supply bays has a power supply or power-supply blank installed in it. v There is adequate space around the server to allow the server cooling system to work properly. Leave approximately 50 mm (2.0 in.) of open space around the front and rear of the server. Do not place objects in front of the fans. For proper cooling and airflow, replace the server cover before turning on the server. Operating the server for extended periods of time (more than 30 minutes) with the server 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 do not remove the air baffle while the server is running. Operating the server without the air baffle might cause the microprocessor to overheat. v Microprocessor socket 2 always contains either a microprocessor baffle or a microprocessor and heat sink. Working inside the server with the power on The server supports hot-plug, hot-add, and hot-swap devices and is designed to operate safely while turned on with the cover removed. Follow these guidelines when you work inside a server that is turned on: v Avoid loose-fitting clothing on your forearms. Button long-sleeved shirts before working inside the server; do not wear cuff links while you are working inside 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 wrist watches. v Remove items from your shirt pocket (such as pens or pencils) that could fall into the server as you lean over it. v Avoid dropping any metallic objects, such as paper clips, hair pins, or screws, into the server. 24 xSeries 346 Types 8840 and 1880: Hardware Maintenance Manual and Troubleshooting Guide