HP P Class 450/500/550/600/650/700/750 Reference Manual page 116

Tests and Error Messages
Error Message Summary
Table 5-5. Error Codes, Causes and Symptoms
Code #
0711h Defective SIMM (module 1, bank 1)
0712h Defective SIMM (module 2, bank 1)
0721h Defective SIMM (module 1, bank 2)
0722h Defective SIMM (module 2, bank 2)
0731h Defective SIMM (module 1, bank 3)
0732h Defective SIMM (module 2, bank 3)
0800h Found lower cache size than configured
0801h Cache self-test failure
0900h Lan (Chanteclerc) self-test failure
0901h Lan (Chanteclerc) not detected (but enabled
in Setup)
0A00h Plug and Play video auto-setting failure
(DDC hang)
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Cause / Symptom Short message (US)
System Memory Error
System Memory Error
System Memory Error
System Memory Error
System Memory Error
System Memory Error
System Cache Error
System Cache Error
Integrated LAN Error
Integrated LAN Error
DDC Video Error
Chapter 5