NEC Express5800 Series Maintenance Manual page 30

Chapter 1 Maintenance
[?] Additional battery is not recognized or the following message is displayed in POST
The battery hardware is missing or malfunctioning,
or the battery is unplugged, or the battery could be
fully discharged. If you continue to boot the system,
the battery-backed cache will not function.
If battery is connected and has been allowed to charge
for 30 minutes and this message continues to appear,
then contact technical support for assistance.
Press 'D' to disable this warning (if your controller
does not have a battery.
 Are the cable between the battery pack and battery board and the control cable between the battery board
and battery connector connected correctly?

Connect the cables correctly.
 Is this message displayed after the battery is connected?

If the battery charging status is low, the battery may not be recognized. If the battery is not recognized
although 24 hours has passed, restart the system once.
If the battery is not recognized although the above action has been taken, the additional battery may be
faulty. Contact the maintenance service company with which you signed up or the dealer where you
purchased the product.
[?] Event ID129: The following message appears on Windows Event Log
Event source : megasas2
Event ID : 129
Type : Warning
Description : Reset to device, \Device\RaidPortX, was issued.
→ Retry by OS has succeeded. It is not the problem in operating the system
[?] DISK LED flashes
 DISK LED flashes frequently even while the Hard Disk Drive is not accessed.

When Patrol Read is running, the DISK LED flashes even if the Hard Disk Drive is not being accessed. If
SATA Hard Disk Drive is used, the DISK LED may stay on.
[?] A part of Physical Device information of Universal RAID Utility is not be displayed correctly
 If LSI Embedded MegaRAID is used, a part of Physical Device information of
Universal RAID Utility may not be displayed correctly.
30
Note
A different number replaces X depending on the system.
Express5800/E120d-1 Maintenance Guide
5. Troubleshooting