Areca 24/4 Internal/External Port Pcie 3.0 12 Gb/s SAS/SATA Raid Controller 2Gb Cache - Manual (Page 217)

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APPENDIX
Note:
The BBM status will be shown on the web browser of "Hard -
ware Monitor Information" screen.
C-4 Installation
1. Make sure all power to the system is disconnected.
2. The 12Gb/s SAS RAID controller’s battery connector is available
for the optional battery backup module. Connect the BBM cable
to the 14-pin battery connector on the controller.
3. Integrators may provide pre-drilled holes in their cabinet for
securing the BBM using its three mounting positions.
4. Low profile bracket also provided.
5. The BBM will occupy one PCI slot on the host backplane.
C-5 Battery Backup Capacity
Battery backup capacity is defined as the maximum duration of a
power failure for which data in the cache memory can be main-
tained by the battery. The BBM’s backup capacity varied with the
memory chips that installed on the 12Gb/s SAS RAID controller.