IBM HS12 Service Guide - Page 152
CPU/VRD bus., can be found on the IBM support Web site
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v See Chapter 4, "Parts listing, Types 8014, 8028 and 1916," on page 25 to determine which components are CRUs and which components are FRUs. v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician. Error code Description Action 166-905-xxx Failed the BMC self test due to a failure in the Note: Ignore this error if the direct access storage CPU/VRD bus. device (DASD) planar is not installed. 1. Turn off the blade server, open the blade server release levers and pull the blade server away from the blade server bay, but do not remove it. See "Removing the blade server from the BladeCenter unit" on page 33 for more information. 2. Wait 45 seconds and reseat the blade server in the blade module bay and turn on the blade server. See "Installing the blade server in a BladeCenter unit" on page 34 and "Turning on the blade server" on page 9. 3. Rerun the test. See "Diagnostic tools overview" on page 67. 4. Make sure that the DSA Diagnostic code is up-to-date, upgrade if necessary; then, rerun the test. The latest code can be found on the IBM support Web site at http:// www.ibm.com/support/ docview.wss?uid=psg1SERV-DSA. 5. Make sure that the BMC firmware level is up-to-date, upgrade if necessary; then, rerun the test. The installed firmware level can be found in the DSA Diagnostic Event Log within the Firmware/VPD section for this component. The latest level firmware for this component can be found on the IBM support Web site at http://www.ibm.com/support/ docview.wss?uid=psg1MIGR-4JTS2T. 6. Turn off the blade server, remove the blade server from the blade server bay and remove the cover. (See "Removing the blade server cover" on page 35 for more information). 7. Locate the microprocessor and reseat it. (See "Removing a microprocessor and heat sink" on page 60 for more information.) 8. Close the cover and reseat the blade server in the blade server bay and turn on the blade server. 9. Rerun the test. See "Diagnostic tools overview" on page 67. 10. If the failure remains, refer to Chapter 5, "Removing and replacing blade server components," on page 31 to replace the failed component. 140 BladeCenter HS12 Type 8014, 8028 or 1916: Problem Determination and Service Guide
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