User's Guide

7-2 Maintenance
SYSTEM DIAGNOSTICS
The system diagnostics run several tests on the CPU blade.
Select [Tool menu] - [Test and diagnostics] in NEC EXPRESSBUILDER to diagnose the system.
Test Items
The following items are tested by the system diagnostics:
Memory
CPU cache memory
Hard disk drive used as the system drive
IMPORTANT:
When executing the system diagnostics, make sure to
disconnect the CPU blade from the network. Executing the system
diagnostics with the CPU blade connected to the network may cause
network instability.
NOTE:
When checking the hard disk drive, no data is written to the
disk.