1 Controller overview
This chapter provides an overview of the features and physical characteristics of the HP Smart
Array Serial-Attached SCSI (SAS) RAID controllers.
Smart Array P400 controller features
Board components and features
Two models of the HP Smart Array P400 Controller are available:
• AD348A has internal SAS connectors on the front of the board. See Figure 1.
• AD397A has connectors on the back of the board. See Figure 2 (page 7).
The two models have identical functionality.
Figure 1 HP AD348A Smart Array P400 controller with SAS connectors on front of board
53
Connectors for cache
module (also known as
BBWC or array accelerator).
1
SAS port 2I (internal), 4x
wide SFF8484 connector.
Cache module, with a
connector for the cable to the
battery pack. The cache
2
SAS port 1I (internal), 4x
wide SFF8484 connector. module must be installed on
4
Runtime LEDs. See “Smart
Array P400 controller board
runtime LEDs” (page 7).
the controller before the
controller is installed in a
server, or the controller will
not boot.
6 Controller overview
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