Compaq ProLiant 1000 ProLiant Server Troubleshooting Guide - Page 194

POST Error Messages 200 Series POST Error Messages Table C-4: 200 Series POST Error Messages Error Code 201-Memory Error Audible Beeps None Probable Source of Problem RAM failure detected. 201-Memory Error The memory test performed during startup failed. Removing and replacing memory modules can isolate the faulty memory. Also verify that the memory modules are installed correctly. 202-Memory Type Mismatch None 2 short RAM failure detected. An incompatible memory module is installed in the system. 203-Memory Address Error 205-Cache Memory error None 2 short RAM failure detected. A memory module is malfunctioning. Action Run Diagnostics. Replace failed assembly as indicated. Run Diagnostics. Replace failed assembly as instructed. Compare part numbers from installed memory modules with those listed in your server-specific user documentation. If not listed, the memory modules are incompatible and should be replaced or removed. Run Diagnostics. Replace failed assembly as indicated. Run Diagnostics. Replace or remove malfunctioning memory module as indicated. continued C-14 HP Servers Troubleshooting Guide