HP Smart Array SAS Controllers for Integrity Servers Support Guide

Smart Array P711m controller features
Board components and features
Figure 8 HP 513778-B21 Smart Array P711m controller components
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Cache module (also known
as array accelerator).
Status LED (runtime LED).Mezzanine connector to
system board.
The Smart Array P711m Controller also includes an external capacitor pack (not shown), which
provides approximately 80 seconds of backup power for the DDR cache memory. This provides
sufficient duration to transfer the cached data from DDR memory to flash memory, where the data
remains indefinitely or until a controller retrieves the data.
Smart Array P711m controller board runtime LED
The Smart Array P711m Controller board has one Controller Heartbeat LED (CR6). This LED flashes
every two seconds to indicate controller health.
Figure 9 Smart Array P711m controller board runtime LED
NOTE: During server power on, the runtime LED illuminates randomly until POST completes.
Smart Array P711m controller features 13