Working Inside The Server With The Power On; Handling Static-Sensitive Devices - IBM System x3800 Type 8865 User Manual

v If the server has redundant power, at least three power-supplies bays have a
v You have followed the cabling instructions that come with optional adapters.
v You have replaced a failed fan as soon as possible.
v You have replaced a hot-swap drive within 2 minutes of removal.
v You do not run the server without the air baffle installed. Operating the server
v Microprocessor sockets 2, 3, and 4 each always contain either a microprocessor

Working inside the server with the power on

Attention:
the server is powered-on might cause the server to halt, which could result in the
loss of data. To avoid this potential problem, always use an electrostatic-discharge
wrist strap or other grounding system when 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 it is turned on and the cover is removed. Follow these
guidelines when you work inside a server that is turned on:
v Avoid wearing loose-fitting clothing on your forearms. Button long-sleeved shirts
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
v Remove items from your shirt pocket, such as pens and pencils, that could fall
v Avoid dropping any metallic objects, such as paper clips, hairpins, and screws,

Handling static-sensitive devices

Attention:
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:
v Limit your movement. Movement can cause static electricity to build up around
v The use of a grounding system is recommended. For example, wear an
v Handle the device carefully, holding it by its edges or its frame.
v Do not touch solder joints, pins, or exposed circuitry.
v Do not leave the device where others can handle and damage it.
22
IBM System x3800 Type 8865: User's Guide
Operating the server for extended periods of time (more than 30 minutes) with
the server cover removed might damage server components.
power supply installed.
without the air baffle might cause the microprocessor or microprocessors to
overheat.
baffle or a microprocessor and heat sink.
Static electricity that is released to internal server components when
before working inside the server; do not wear cuff links while you are working
inside the server.
watches.
into the server as you lean over it.
into the server.
Static electricity can damage the server and other electronic devices.
you.
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.