Removing and replacing FRUs

This topic provides information about removing and replacing FRUs.

FRUs must be replaced or installed only by trained service technicians.

The illustrations in this document might differ slightly from the hardware.

• Removing a microprocessor and heat sink
  This information provides instructions on how to remove a microprocessor and heat sink.
• Replacing a microprocessor and heat sink
  This information provides instructions on how to replace a microprocessor and heat sink.
• Removing a compute book
  This topic provides instructions on how to remove the compute book.
• Replacing a compute book
  This information provides instructions on how to replace the compute book.
• Removing a 750-watt -48 volt to -60 volt dc power supply
  This topic provides instructions about how to remove a 750-watt -48 volt to -60 volt dc power supply.
• Replacing a 750-watt -48 volt to -60 volt dc power supply
  This topic provides instructions about how to replace a 750-watt -48 volt to -60 volt dc power supply.
• Removing the midplane
  Use this information for instructions on how to remove the chassis midplane.
• Replacing the midplane
  Use this information for instructions on how to replace the chassis midplane.
• Removing the shuttle
  Use this information for instructions on how to remove the chassis shuttle.
• Replacing the shuttle
  Use this information for instructions on how to replace the chassis shuttle.
• IBM to Lenovo server upgrade procedure
  This topic describes how to perform the IBM to Lenovo (ITL) upgrade of an IBM System x3850 X6 and x3950 X6 Type 3837 server to a Lenovo System x3850 X6 and x3950 X6 Type 6241 server.