Use this information for removing and replacing Tier 1 CRUs.
Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for the installation.
Some Tier 1 CRUs are available as both optional devices and replaceable components. You can use the installation instructions for the Tier 1 CRU to install the optional device.