Troubleshooting an HS20 blade server (Types 7981, 8678, 8832, and 8843)
The HS20 service guides contain information to help you
solve problems that might occur in your IBM BladeCenter HS20 blade
server. They describe the diagnostic tools that come with the blade
servers, error codes and suggested actions, and instructions for replacing
failing components. (Select the service guide for your HS20 blade
server type.)