The Cisco Catalyst Blade Switch 3020 for HP is now obsolete (past End-of-Life and End-of-Support status).
End-of-Sale Date: 2013-11-15
End-of-Support Date: 2018-11-30
Cisco's End-of-Life Policy
You can view a listing of available Blade Switches offerings that best meet your specific needs
If you want support information for the Cisco Catalyst Blade Switch 3020 for HP documentation, it may be available through Cisco.com Search or in the Cisco Community