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.)
To find the latest support information for the BladeCenter HS20 blade server Type 7981, 8678, 8832, or 8843, go to the BladeCenter support search Web site and search for the terms 7891, 8678, 8832, 8843, and retain.
BladeCenter HS20 Type 7981 Problem Determination and Service Guide
BladeCenter HS20 Type 8678 Hardware Maintenance and Troubleshooting Guide
BladeCenter HS20 Type 8832 Hardware Maintenance and Troubleshooting Guide
BladeCenter HS20 Type 8843 Hardware Maintenance and Troubleshooting Guide