IBM IntelliStation M Pro 6225 Hardware Maintenance Manual And Troubleshooting Manual page 40

v While the device is still in its static-protective package, touch it to an unpainted
v Remove the device from its package and install it directly into the computer
v Take additional care when handling devices during cold weather. Heating reduces
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IntelliStation M Pro Types 6225 and 6228: Hardware Maintenance Manual and Troubleshooting Guide
metal part of the computer for at least 2 seconds. This drains static electricity
from the package and from your body.
without setting down the device. If it is necessary to set down the device, put it
back into its static-protective package. Do not place the device on the computer
cover or on a metal surface.
indoor humidity and increases static electricity.