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• 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 you turn on the server.
• You have followed the cabling instructions that come with optional adapters.
• You have replaced a failed fan within 48 hours.
• You have replaced a hot-swap fan within 30 seconds of removal.
• You have replaced a hot-swap drive within 2 minutes of removal.
• You do not operate the server without the air baffle installed. Operating the server without the air baffle
might cause the microprocessor to overheat.
• Microprocessor socket 2 always contains either a microprocessor baffle or a microprocessor and heat
sink.
• You have installed the sixth fan when you installed the second microprocessor option.
Working inside the server with the power on
Use this information when working inside the server with the power on.
Attention: Static electricity that is released to internal server components when the server is powered-on
might cause the server to halt, which might result in the loss of data. To avoid this potential problem, always
use an electrostatic-discharge wrist strap or other grounding system when you work 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 it is
turned on and the server cover is removed. Follow these guidelines when you work inside a server that is
turned on:
• Avoid wearing 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.
• 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, that could fall into the server as you lean
over it.
• Avoid dropping any metallic objects, such as paper clips, hairpins, and screws, into the server.
Handling static-sensitive devices
Use this information to handle static-sensitive devices.
Attention: Static electricity can damage the server and other electronic devices. To avoid damage, keep
static-sensitive devices in their static-protective packages until you are ready to install them.
To reduce the possibility of damage from electrostatic discharge, observe the following precautions:
• Limit your movement. Movement can cause static electricity to build up around you.
• The use of a grounding system is recommended. For example, wear an electrostatic-discharge wrist
strap, if one is available. Always use an electrostatic-discharge wrist strap or other grounding system
when working inside the server with the power on.
• Handle the device carefully, holding it by its edges or its frame.
• Do not touch solder joints, pins, or exposed circuitry.
• Do not leave the device where others can handle and damage it.
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Chapter 2
Installing optional devices
43
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