See the brand new WP : HP BladeSystem ProLiant firmware management best practices at:

Updating firmware has become critical to maintaining the health of server systems. As new hardware is released, updating is becoming more cost-effective than replacing the hardware. Consequently, firmware has become as important as software and driver updates to the operating system. This document details firmware best practices for HP c-Class BladeSystem products including:

? What firmware to update

? Which tools to use

? What dependencies to consider for the update process

? How to deploy firmware updates