HP ProLiant BL420c Gen8 Server Blade - Manual (Page 38)

Hardware options installation 38
5. If another SAS controller is installed, do the following:
a. Flush the original cache to remove all data. For more information, see the Configuring Arrays on HP
Smart Array Controllers Reference Guide on the HP website
(
http://www.hp.com/support/SAC_UG_ProLiantServers_en ).
CAUTION: Always be sure that both captive screws are disengaged before removing the SAS
controller. Failure to disengage the screws may result in damage to the SAS controller.
b. Disengage the SAS controller captive screws and use the handle to remove the SAS controller.
c. Locate and remove the cache module (" System board components " on page 8 ) associated with the
original SAS controller, if installed. This cache module is located near the rear of the system board
and is not required when installing an HP Smart Array P220i Controller.
IMPORTANT: Always close the SAS controller handle before installing the SAS controller.