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APPENDIX
Appendix B
Battery Backup Module
(ARC-6120BA-T021)
ThunderBox 800 operates using cache memory. The Battery Back-
up Module is an add-on module that provides power to the RAID
storage cache memory in the event of a power failure. The BBM
monitors the write back cache on the RAID storage, and provides
power to the cache memory if it contains data not yet written to
the hard drives when power failure occurs.
B-1 BBM Connector and Components
This section provides the board layout and connector/jumper for
the BBM.
• D13 (Green): light when BBM activated
• D14 (Red): light when BBM charging
• D15 (Green): light when BBM normal
B-2 Status of BBM
The BBM status will be shown on the web browser of "Hardware
Monitor Information" screen.