IBM HS12 Service Guide - Page 72
Removing and replacing field replaceable units, Removing a microprocessor and heat sink
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11. Turn on the blade server, start the Configuration/Setup Utility program, and reset the configuration (see "Setup and configuration overview" on page 19 for instructions). Removing and replacing field replaceable units Use this information to remove and replace field replaceable units (FRUs). FRUs must be installed only by trained service technicians. The illustrations in this document might differ slightly from your hardware. Removing a microprocessor and heat sink Use this information to remove a microprocessor and heat sink from the blade server. Read the following important guidelines before you remove a microprocessor that is not faulty (for example, when you are replacing the system-board assembly). If you are not replacing a defective heat sink or microprocessor, the thermal material on the heat sink and microprocessor will remain effective if you carefully handle the heat sink and microprocessor when you remove or install these components. Do not touch the thermal material or otherwise allow it to become contaminated. Notes: 1. The microprocessor and heat sink assembly is a field-replaceable unit (FRU) and must be replaced by a trained service technician. To contact an IBM service representative, see "Hardware service and support" on page 177. 2. The heat-sink FRU is packaged with the thermal material applied to the underside. This thermal material is not available as a separate FRU. You must replace the heat sink when new thermal material is required, such as when a defective microprocessor is replaced or if the thermal material is contaminated or has come in contact with another object other than its paired microprocessor. 3. A heat-sink FRU can be ordered separately if the thermal material becomes contaminated. To remove a microprocessor, complete the following steps. 60 BladeCenter HS12 Type 8014, 8028 or 1916: Problem Determination and Service Guide