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Contents ix
6. Replacement of CPU/Memory Board Unit (CMU), CPU Module, and DIMM 6–1
6.1 Overview of the CMU 6–1
6.2 Active Replacement and Hot Replacement 6–5
6.3 Cold Replacement 6–16
6.4 CPU Module and DIMM Replacement 6–22
6.4.1 Notes on CPU Module Replacement 6–23
6.4.1.1 CPU Module Insertion/Extraction Tool 6–23
6.4.1.2 Handling the CPU Module 6–24
6.4.2 CPU Module Replacement 6–25
6.4.3 Notes on DIMM Replacement 6–34
6.4.3.1 Confirmation of DIMM Information 6–34
6.4.3.2 DIMM Mounting Conditions 6–35
6.4.4 DIMM Replacement 6–37
7. I/O Unit (IOU) Replacement 7–1
7.1 Overview of the IOU 7–2
7.2 Active Replacement and Hot Replacement 7–8
7.3 Cold Replacement 7–19
8. FAN Unit Replacement 8–1
8.1 Overview of the FAN Unit 8–2
8.2 Active Replacement and Hot Replacement 8–8
8.3 Cold Replacement 8–14
9. Power Supply Unit (PSU) Replacement 9–1
9.1 Overview of the PSU 9–1
9.2 Active Replacement and Hot Replacement 9–9
9.3 Cold Replacement 9–13
10. Operator Panel Replacement 10–1