IBM JS20 Hardware Maintenance Manual - Page 60
Updating, blade, server, firmware
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c. Open the blade-server cover (see "Opening the blade server cover" on page 74 for instructions). d. Locate jumper J14 (system firmware code page jumper) on the system board. 3 2 1 System firmware code page jumper (J14) e. Move jumper J14 to pins 1 and 2 to enable system firmware recovery mode. f. Replace the cover and reinstall the blade server in the BladeCenter unit, making sure that the blade server controls all relevant components. Statement 21: CAUTION: Hazardous energy is present when the blade server is connected to the power source. Always replace the blade cover before installing the blade server. g. Restart the blade server. h. Verify that the system starts from the TEMP image. v If you are using one of the Linux operating systems, go to "Verifying the system firmware levels using Linux" on page 52. v If you are using the AIX operating system, go to "Committing the temporary firmware image using AIX" on page 53. i. Update the flash again, if you are updating the system firmware code. You might need to update the firmware code to the latest version. See http://www.ibm/.com/pc/support for more information about how to update the firmware code. Updating the blade server firmware This section describes how to determine the current code levels for the blade server (system) firmware and Integrated Systems Management Processor (service processor). Information on how to validate, update and commit the system firmware is included. The blade server contains firmware code for the system and service processor. IBM will periodically make firmware updates available for the server system and the service processor. You can maintain the latest levels of firmware code for the blade 50 BladeCenter JS20 Type 8842: Hardware Maintenance Manual and Troubleshooting Guide
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