8
HP Smart Array 6400 Series Controllers User Guide
Item ID
Description
6
Battery-backed cache module
7
Connector for expansion board
Expansion module components
An expansion module is used to add two extra external channels to an SA6402
controller, converting it to an SA6404 controller.
Item ID
Description
0–7
Runtime LEDs (CR10–CR17). These are
identical to the controller board runtime LEDs
(on page
51
).
8
VHDCI connector, port B2
9
VHDCI connector, port B1
10
Connector to controller board
The expansion module is a controller in its own right. Thus, the SA6404
controller is actually two 2-channel controllers sharing one PCI-X connector.
This arrangement is referred to as a dual (or twin) controller configuration.
