v Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 3, “Parts listing, System x3400 Types 7973, 7974, 7975 and 7976,” on page 87 to determinewhich components are customer replaceable units (CRU) and which components are field replaceableunits (FRU).v If an action step is preceded by “(Trained service technician only),” that step must be performed only by atrained service technician.Error code Description Action187 VPD serial number not set. 1. Set the serial number by updating the BIOS codelevel (see “Updating the firmware” on page 165).2. Reseat the optional Remote Supervisor Adapter IISlimLine.3. (Trained service technician only) Replace thesystem board.188 Bad VPD CRC #2. 1. Restart the server.2. Update the firmware (see “Updating the firmware”on page 165.3. Reseat the optional Remote Supervisor Adapter IISlimLine.4. (Trained service technician only) Replace thesystem board.189 Three attempts were made to access theserver with an incorrect password.Restart the server and enter the administratorpassword; then, run the Configuration/Setup Utilityprogram and change the power-on password.196 Processor cache mismatch. 1. Make sure that all microprocessors have thesame cache size (see “Using theConfiguration/Setup Utility program” on page 166.2. Update the BIOS code (see “Updating thefirmware” on page 165).3. (Trained service technician only) Reseatmicroprocessor.4. (Trained service technician only) Replacemicroprocessor.198 Processor speed mismatch. 1. Make sure that all microprocessors have thesame speed (see “Using the Configuration/SetupUtility program” on page 166.2. Update the BIOS code (see “Updating thefirmware” on page 165).3. (Trained service technician only) Reseatmicroprocessor.4. (Trained service technician only) Replacemicroprocessor.289 A DIMM has been disabled by the user orby the system. 1. If the DIMM was disabled by the user, run theConfiguration/Setup Utility program and enablethe DIMM.2. Make sure that the DIMM is installed correctly(see “Installing a memory module” on page 120).3. Reseat the DIMM.4. Replace the DIMM.26 System x3400 Types 7973, 7974, 7975, and 7976: Problem Determination and Service Guide
