X4170 Health check, Bios Update, Firmware Update and NIC replacement

Hi,
Please help me in performing health check, server environment check and diagnostic test in Sun Fire x4170. What are the procedures and tools in doing those test? I will be replacing the faulty NIC. Where can i found the firmware and patches for the NIC requirements. Here is the current server config:

Operating System                      :               Windows Server® 2008 Enterprise (6.0, Build 6001) Service Pack 1 (6001.longhorn_rtm.080118-1840)

System Manufacturer              :               SUN MICROSYSTEMS

System Model                             :               SUN FIRE X4170 SERVER          

BIOS Date                                      :               04/10/09 12:47:00 Ver: 08.00.15

Processor                                       :               Intel(R) Xeon(R) CPU           E5540  @ 2.53GHz (16 CPUs), ~2.5GHz

 Thanks

Regards,

Andrew