Handling static-sensitive devices
Use this information to handle static-sensitive devices.
Attention:
Prevent exposure to static electricity, which might lead to system halt and loss of data, by
keeping static-sensitive components in their static-protective packages until installation, and handling these
devices with an electrostatic-discharge wrist strap or other grounding system.
• Limit your movement to prevent building up static electricity around you.
• Take additional care when handling devices during cold weather, for heating would reduce indoor
humidity and increase static electricity.
• Always use an electrostatic-discharge wrist strap or other grounding system, particularly when working
inside the server with the power on.
• While the device is still in its static-protective package, touch it to an unpainted metal surface on the
outside of the server for at least two seconds. This drains static electricity from the package and from your
body.
• Remove the device from the package and install it directly into the server without putting it down. If it is
necessary to put the device down, put it back into the static-protective package. Never place the device
on the server or on any metal surface.
• When handling a device, carefully hold it by the edges or the frame.
• Do not touch solder joints, pins, or exposed circuitry.
• Keep the device from others’ reach to prevent possible damages.
Memory module installation rules and order
Memory modules must be installed in a specific order based on the memory configuration that you
implement and the number of processors and memory modules installed in the server.
The following memory configurations and population sequences are supported for the ThinkSystem SR860
server:
•
“Independent memory mode” on page 59
–
“Installation order: independent memory mode with two processors” on page 62
–
“Installation order: independent memory mode with four processors” on page 63
•
–
“Installation order: memory mirroring with two processors” on page 69
–
“Installation order: memory mirroring with four processors” on page 70
•
–
“Installation order: memory sparing with two processors” on page 75
–
“Installation order: memory sparing with four processors” on page 76
DRAM DIMM installation order
This section contains information of how to install DRAM DIMMs properly.
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