Table 1. POST Error Codes (continued)Code Description Action176 System cover has been removed. Type in the administrator password.If problem persists, have thecomputer serviced.177 An inventory violation occurred,such as a hardware component wasremoved. This error message is partof the AssetCare and Asset IDfeatures of the computer.Type in the administrator password.If the problem persists, have thecomputer serviced.183 Administrator password required. Type the administrator password.184 Asset control antenna not detected. Have the computer serviced.186 System board or hardware securityerrorHave the computer serviced.187 Administrator password andstartup sequence has been cleared.Go to ““Starting theConfiguration/Setup Utilityprogram” on page 68 and follow theinstructions to set an administratorpassword and the startup sequence.190 The computer chassis-intrusiondetector was cleared. This is aninformational message.No action is required.20x Memory error Go to “IBM Enhanced Diagnosticsprogram” on page 94 and follow theinstructions to run diagnostics.229 Level 2 cache error Have the computer serviced.301 or 303 Keyboard error 1. Make sure the keyboard isproperly connected.2. If the keyboard is properlyconnected, have the computerserviced.601 Diskette drive or controller error 1. Go to “IBM EnhancedDiagnostics program” onpage 94 and if possible run theIBM Enhanced Diagnosticsprogram.2. If the problem persists, have thecomputer serviced.602 Diskette IPL boot record not valid 1. The diskette might be defective.Try another diskette.2. If the problem persists, have thecomputer serviced.Chapter 6. Troubleshooting 75