3. Setting Up Windows Server 2008 R2
Express5800/R320c-E4, R320c-M4, R320d-E4, R320d-M4 Installation Guide (Windows Server 2008)
8. Move the cursor onto Save & Exit, the Save & Exit menu appears.
9. Select Save changes and Exit.
On the confirmation window shown below, select Yes to save parameters and exit SETUP.
System reboots when SETUP completes.
Save configuration and exit?
[Yes] No
Now OS Boot Monitoring function is disabled.