System Reliability Guidelines; Working Inside The Server With The Power On - Lenovo ThinkServer TD100 Hardware Maintenance Manual

v When you are finished working on the server, reinstall all safety shields, guards,
v For a list of options for the server, see http://www.lenovo.com/accessories/.

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
v If the server has redundant power, each of the power-supply bays has a power
v There is adequate space around the server to allow the server cooling system to
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 10 minutes of removal.
v You do not run the server without the air baffle installed. Operating the server
v The microprocessor socket always contains a microprocessor and heat sink.
v For redundant and hot-swappable operation, the power supplies are connected to

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,
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ThinkServer TD100 and TD100x: Hardware Maintenance Manual
labels, and ground wires.
compatibility (EMC) shield installed in it.
supply installed in it.
work properly. Leave approximately 50 mm (2 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.
without the air baffle might cause the microprocessor to overheat.
200-240 V ac.
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.