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Chapter 25 Addition and Deletion of CMU, DIMM, IOU, HDD, PCI Cards and TAPEU 25-3
FIGURE 25-1 Initial Page of the Maintenance Menu
Note – DDC_A is displayed only for the M8000.
Perform the operation according to the instructions displayed in the addition
menu.
Note – In hot addition of an IOU, mount the CMU and IOU in the proper location.
Otherwise, the added IOU may not operate.
25.1.2 Cold Addition
In cold addition the main line switches of the system are turned off and the addition
menu is not available. Perform the addition according to the following procedure.
1. Set the mode switch on the operator panel to Service.
2. Turn off power of all domains together.
Press and hold the POWER switch on the operator panel for at least four seconds
or execute the poweroff -a command from XSCF.
3. Switch off all main line switches for the AC section (ACS) in the power supply
system.
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Maintenance/Addition Menu
Please select a type of FRU to be added.
1. CMU/IOU (CPU Memory Board Unit/IO Unit)
2. FAN (Fan Unit)
3. PSU (Power Supply Unit)
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Select [1-3|c:cancel]: