NEC Express5800/R120i-1M Installation Manual page 75

Chapter 1 Installing Windows
3. In Startup and Recovery, click Settings.
4. Type a file name to store the debug information in the Dump file text box, and then click OK.
Note the following when specifying a dump file:
 We recommend specifying Kernel memory dump for Write debugging information.
 Specify a drive that has a free area of at least "total size of physical memory" + 400 MB (total size of
physical memory + 1,100 MB when the total size is 4 TB or more).
 The size of the debug information (memory dump) changes if DIMM is added. Make sure that the free
space of the drive to save the debug information is sufficient.
Installation Guide (Windows Server 2016)
4. Setting up for Maintenance
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