POST error codes

1. (Trained service technician) Complete the following steps:
   1. Remove microprocessor 2 and restart the server (see Removing a microprocessor and heat sink and Installing a microprocessor and heat sink).
   2. If the problem remains, remove microprocessor 1 and install microprocessor 2 in the connector for microprocessor 1; then, restart the server (see Removing a microprocessor and heat sink and Installing a microprocessor and heat sink).
   3. If the problem goes away, microprocessor 1 might have failed; replace the microprocessor.
2. (Trained service technician) Replace the following components one at a time in the order shown, restarting the server each time:
   • Microprocessor 1 (see Removing a microprocessor and heat sink and Installing a microprocessor and heat sink).
   • Microprocessor 2, if installed (see Removing a microprocessor and heat sink and Installing a microprocessor and heat sink).
   • System board (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Update the server firmware (see Updating firmware and device drivers.
2. (Trained service technician) Remove and replace the affected microprocessor with a supported type (see Removing a microprocessor and heat sink and Installing a microprocessor and heat sink). Use light path diagnostic LEDs to determine the affected processor (Light path diagnostics LEDs).

1. Run the Setup utility and view the microprocessor information to compare the installed microprocessor specifications.
2. (Trained service technician) Remove and replace one of the microprocessors so that they both match (see Removing a microprocessor and heat sink and Installing a microprocessor and heat sink).

1. Update the server firmware (see Updating firmware and device drivers).
2. (Trained service technician) Complete the following steps:
   1. Reseat the microprocessor (see Removing a microprocessor and heat sink and Installing a microprocessor and heat sink).
   2. Replace the following components one at a time in the order shown, restarting the server each time:
      1. Microprocessor (see Removing a microprocessor and heat sink and Installing a microprocessor and heat sink).
      2. System board (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Update the server firmware (see Updating firmware and device drivers).
2. (Trained service technician only) Replace the microprocessor (see Removing a microprocessor and heat sink and Installing a microprocessor and heat sink).

1. Check the system event log for any memory errors that might be related to the specified DIMM and resolve those errors.
   Note: If the system event log is full, new events will not be posted to the log. You can clear the system event log through the Setup Utility (see Using the Setup utility). Select System Event Logs and then select Clear System Event Log.
2. Enable the DIMM connector (slot) for the specified DIMM using the Setup utility (see Using the Setup utility) or the Advanced Settings Utility (see Using the Advanced Settings Utility (ASU)).

   To enable the DIMM connector using the Setup utility, select System Settings and then select Memory.

3. Reseat the affected DIMM (see Removing a DIMM - BladeCenter HX5 and Installing a DIMM - BladeCenter HX5) and enable the DIMM connector (see step 2).
4. Save the settings and exit from the Setup utility.

1. Refer to TIP H21455 for minimum code level.
2. Check the IBM support website for an applicable retain tip or firmware update that applies to this memory error.
3. Swap one of the DIMMs with a DIMM of the same size and type from another channel (see Installing a DIMM - BladeCenter HX5. For example, if a problem occurs on DIMM 1 and DIMM 4, swap DIMM 1 with a similar DIMM in slot 9.
4. Enable all affected DIMMs using the Setup utility.
5. If the failure remains on the original DIMM slots, replace the DIMM that was not moved. If the failure follows the DIMM that was moved, replace the DIMM that was swapped.
6. If the problem occurs on the same DIMM connector, check the DIMM connector. If the connector is damaged, (Trained service technician only) replace the system-board assembly (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

If you receive this error code for a blade server configuration that includes an IBM MAX5 expansion blade, multiple DIMMs might have been disabled. After you replace the mismatched DIMM, make sure that all DIMMs have been enabled using the Setup utility (see Using the Setup utility) or using the Advanced Settings Utility (see Using the Advanced Settings Utility (ASU)).

1. Make sure that the server contains the correct number of DIMMs, in the correct order (see Installing a DIMM - BladeCenter HX5).
2. Reseat the DIMMs (see Removing a DIMM - BladeCenter HX5 and Installing a DIMM - BladeCenter HX5).
3. Turn off the blade server. Then turn on the blade server and immediately turn it off (before POST completes) four times, using either the power button on the front of the blade server or the advanced management module web interface.
   Note: Make sure that you turn off the blade server immediately after starting it. Turning on the blade server and immediately turning it off four times will cause UEFI to be start using default settings the next time the server is started.

   If the problem is resolved, run the Setup utility, select Load Default Settings, and save the settings to recover the server firmware.

4. Remove the battery and reinstall the battery to clear CMOS memory and NVRAM. The real time clock will also be reset.
5. Remove all DIMM pairs and make sure that a pair of DIMMs that are known to be operational are installed in DIMM connectors 1 and 4). Then, restart the blade server.
   If the problem is resolved, continue adding DIMM pairs back to the system (see Installing a DIMM - BladeCenter HX5), restarting the blade server each time a DIMM pair is added.

   Note: If the blade server fails to start after adding a DIMM pair, replace one of the DIMMs with a DIMM of the same size and type (see Removing a DIMM - BladeCenter HX5 and Installing a DIMM - BladeCenter HX5). If the issue is resolved, continue to add additional DIMM pairs. If the problem remains, replace the second DIMM of the pair with the original removed DIMM. If the problem remains, continue to Step 6.
6. (Trained service technician only). If there are two processors installed in the system, swap microprocessors (see Removing a microprocessor and heat sink and Installing a microprocessor and heat sink).
7. (Trained service technician only) Replace the system board (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Make sure that the server contains the correct number of DIMMs, in the correct order (see Installing a DIMM - BladeCenter HX5).
2. Reseat the DIMMs (see Removing a DIMM - BladeCenter HX5 and Installing a DIMM - BladeCenter HX5).
3. Turn off the blade server. Then turn on the blade server and immediately turn it off (before POST completes) four times, using either the power button on the front of the blade server or the advanced management module web interface.
   Note: Make sure that you turn off the blade server immediately after starting it. Turning on the blade server and immediately turning it off four times will cause UEFI to be start using default settings the next time the server is started.

   If the problem is resolved, run the Setup utility, select Load Default Settings, and save the settings to recover the server firmware.

4. Remove the battery and reinstall the battery to clear CMOS memory and NVRAM. The real time clock will also be reset.
5. Remove all DIMM pairs and make sure that a pair of DIMMs that are known to be operational are installed in DIMM connectors 1 and 4). Then, restart the blade server.
   If the problem is resolved, continue adding DIMM pairs back to the system (see Installing a DIMM - BladeCenter HX5), restarting the blade server each time a DIMM pair is added.

   Note: If the blade server fails to start after adding a DIMM pair, replace one of the DIMMs with a DIMM of the same size and type (see Removing a DIMM - BladeCenter HX5 and Installing a DIMM - BladeCenter HX5). If the issue is resolved, continue to add additional DIMM pairs. If the problem remains, replace the second DIMM of the pair with the original removed DIMM. If the problem remains, continue to Step 6.
6. (Trained service technician only). If there are two processors installed in the system, swap microprocessors (see Removing a microprocessor and heat sink and Installing a microprocessor and heat sink).
7. (Trained service technician only) Replace the system board (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Refer to TIP H21455 for minimum code level.
2. Check the IBM support website for an applicable retain tip or firmware update that applies to this memory error.
3. Swap the affected DIMMs (as indicated by the error LEDs on the system board or the event logs) to a different memory channel or microprocessor (see Installing a DIMM - BladeCenter HX5 for memory population sequence).
4. If the error still occurs on the same DIMM, replace the affected DIMM (as indicated by the error LEDs on the system board or the event logs).
5. If the problem occurs on the same DIMM connector, check the DIMM connector. If the connector is damaged, (trained service technician only) replace the system-board assembly (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Make sure that the server contains the correct number of DIMMs, in the correct order (see Installing a DIMM - BladeCenter HX5).
2. Check the system event log for any memory errors that might be related to specified DIMM pair and resolve those errors.
   Note: If the system event log is full, new events will not be posted to the log. You can clear the system event log through the Setup Utility (see Using the Setup utility). Select System Event Logs and then select Clear System Event Log.
3. Reseat the DIMMs (see Removing a DIMM - BladeCenter HX5 and Installing a DIMM - BladeCenter HX5) and restart the blade server.
4. Remove the specified DIMM pair and replace the DIMM pair with an identical pair of known good DIMMs, and then restart the server. Repeat as necessary. If the failures continue, go to step 5.
5. (Trained service technician only) Replace the system board (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Refer to TIP H21455 for minimum code level.
2. Check the IBM support website for an applicable retain tip or firmware update that applies to this memory error.
3. Swap the affected DIMMs (as indicated by the error LEDs on the system board or the event logs) to a different memory channel or microprocessor (see Installing a DIMM - BladeCenter HX5 for memory population sequence).
4. Enable all affected DIMMs using the Setup utility.
5. If the failure remains on the original DIMM slots, replace the DIMM that was not moved. If the failure follows the DIMM that was moved, replace the DIMM that was swapped.
6. If the problem occurs on the same DIMM connector, check the DIMM connector. If the connector is damaged, (Trained service technician only) replace the system-board assembly (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Make sure that the server contains the correct number of DIMMs, in the correct order (see Installing a DIMM - BladeCenter HX5).
2. Check the system event log for any memory errors that might be related to the specified DIMM and resolve those errors.
   Note: If the system event log is full, new events will not be posted to the log. You can clear the system event log through the Setup Utility (see Using the Setup utility). Select System Event Logs and then select Clear System Event Log.
3. Reseat the DIMMs (see Removing a DIMM - BladeCenter HX5 and Installing a DIMM - BladeCenter HX5) and restart the blade server.
4. Remove the specified DIMM pair and replace the DIMM pair with an identical pair of known good DIMMs, and then restart the server. Repeat as necessary. If the failures continue, go to step 5.
5. (Trained service technician only) Replace the system board (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Check the IBM support website for an applicable retain tip or firmware update that applies to this memory error.
2. Check the DIMM connector and the associated microprocessor connector (make sure you use the microprocessor installation and removal tool).
3. (Trained service technician only) If the connector is damaged, replace the system board assembly (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Reseat the battery.
2. Clear the CMOS memory (see System-board switches).
3. Replace the following components one at a time in the order shown, restarting the server each time:
   1. Battery (see Removing the battery and Installing the battery).
   2. (Trained service technician only) System board. See Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5.

1. Use light path diagnostic LEDs to determine whether an I/O fault LED is lit (Light path diagnostics LEDs). If it is, resolve the problem.
2. Check the system-event log to determine which I/O expansion cards are affected.
3. Reseat all affected I/O-expansion cards.
4. If you have recently updated the device drivers for the affected I/O-expansion cards, revert to a previous device driver.
5. Update the firmware and device drivers for the PCI device.
6. Remove the I/O-expansion cards from the system board.
7. Replace the following components one at a time in the order shown, restarting the server each time:
   1. The I/O-expansion cards
   2. (Trained service technician only) System board (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Turn off the blade server. Then turn on the blade server and immediately turn it off (before POST completes) four times, using either the power button on the front of the blade server or the advanced management module web interface.
   Note: Make sure that you turn off the blade server immediately after starting it. Turning on the blade server and immediately turning it off four times will cause UEFI to be start using default settings.
2. Remove the battery and reinstall the battery to clear CMOS memory and NVRAM. The real time clock will also be reset.
3. Remove any recently installed hardware.
4. Update the server firmware through the advanced management module web interface.

1. Run the Setup utility (see Using the Setup utility). Select Start Options from the menu and modify the boot sequence so that you change the load order of the optional-device ROM code.
2. Run the Setup utility (see Using the Setup utility) and disable unused resource to make more space available:
   • Select Start Options
   • Select Planar Ethernet (PXE/DHCP) to disable the integrated Ethernet controller ROM.
   • Select Advanced Functions, followed by PCI Bus Control, and then PCI ROM Control Execution to disable the ROM of the adapters in the PCI slots.
   • Select Devices and I/O Ports to disable any of the integrated devices.
3. Replace the following components one at a time in the order shown, restarting the server each time:
   1. Expansion cards (see Removing an I/O expansion card and Installing an I/O expansion card).
   2. (Trained service technician only) System board (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Recover the server firmware to the latest level. Run the Setup utility, select Load Default Settings, and save the settings to recover the server firmware.
2. Undo any recent configuration changes, or clear CMOS memory to restore the settings to the default values.
3. Remove any recently installed hardware.

1. Revert to a previous version of the firmware for the blade server.
2. If the blade server will not start, switch to the backup UEFI image. Set switch 7 to the on position. See System-board switches for the location of switch 7.
3. Restart the server until you see F1 Setup or the Boot Device selection.
4. Power down the server.
5. (Trained service technician only) Replace the system board (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Run the Setup utility (see Using the Setup utility). Select Load Default Settings and save the settings to recover the server firmware.
2. Remove the blade server from the chassis.
3. Install the blade server into the chassis and turn on the blade server.

1. Run the Setup utility (see Using the Setup utility) to adjust the date and time. Then, restart the blade server.
2. Reseat the battery.
3. Replace the following components one at a time in the order shown, restarting the blade server each time:
   1. Battery
   2. (Trained service technician only) System board (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Run the Setup utility (see Using the Setup utility). Select Load Default Settings and save the settings.
2. Reseat the following components one at a time in the order shown, restarting the blade server each time:
   1. Battery
   2. Failing device. If the device is a field replaceable unit (FRU), it must be replaced by a trained service technician.
3. Replace the following components one at a time in the order shown, restarting the blade server each time:
   1. Battery
   2. Failing device. If the device is a field replaceable unit (FRU), it must be replaced by a trained service technician.
   3. (Trained service technician only) System board (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5)

1. Undo any recent system changes, such as new settings or newly installed devices.
2. Check the advanced management module event log for any power related issues and resolve them. You can access the event log through the advanced management module web interface. For more information see the Advanced Management Module Installation and User's Guide. the ../com.ibm.bladecenter.advmgtmod.doc/adv_man_mod_printable_doc.html.
3. Remove all hardware that is not listed on the ServerProven website.
4. Run the Setup utility (see Using the Setup utility). Select Load Default Settings and save the settings. Then, restart the blade server.

1. Run the Setup utility and remove any recent changes made to the settings (see Using the Setup utility).
2. Run the Setup utility (see Using the Setup utility). Select Load Default Settings and save the settings.

1. Remove the blade server from the chassis for 30 seconds and then install the blade server into the chassis (see Removing the blade server from the BladeCenter chassis and Installing a blade server in a BladeCenter chassis).
2. Restart the blade server.
3. Update the blade server firmware (see Updating firmware and device drivers).
4. (Trained service technician only) Replace the system board (see Removing the system-board assembly - BladeCenter HX5 and Installing the system-board assembly - BladeCenter HX5).

1. Remove the blade server from the chassis for 30 seconds and then install the blade server into the chassis (see Removing the blade server from the BladeCenter chassis and Installing a blade server in a BladeCenter chassis).
2. Restart the blade server.
3. Run the Setup utility (see Using the Setup utility). Select Load Default Settings and save the settings. Then, restart the blade server.
4. Update the server firmware (see Updating firmware and device drivers).

1. Remove the blade server from the chassis for 30 seconds and then install the blade server into the chassis (see Removing the blade server from the BladeCenter chassis and Installing a blade server in a BladeCenter chassis).
2. Restart the blade server.
3. Run the Setup utility (see Using the Setup utility). Select Load Default Settings and save the settings. Then, restart the blade server.
4. Update the server firmware (see Updating firmware and device drivers).

1. Run the Setup utility.
2. Select System Event Logs.
3. Select Clear System Event Log.
4. Restart the server.

1. Revert to a previous version of the firmware for the blade server.
2. If the blade server will not start, switch to the backup UEFI image. Set switch 7 to the on position. See System-board switches for the location of switch 7.
3. Update the firmware for the server. Make sure that you are using the latest firmware from http://www.ibm.com/support/ fixcentral/systemx/groupView? query.productGroup=ibm%2FBladeCenter.
4. Set switch 7 to the off position. See System-board switches for the location of switch 7.

1. Revert to a previous version of the firmware for the blade server.
2. If the blade server will not start, switch to the backup UEFI image. Set switch 7 to the on position. See System-board switches for the location of switch 7.
3. Update the firmware for the server. Make sure that you are using the latest firmware from http://www.ibm.com/support/ fixcentral/systemx/groupView? query.productGroup=ibm%2FBladeCenter.
4. Set switch 7 to the off position. See System-board switches for the location of switch 7.

1. Revert to a previous version of the firmware for the blade server.
2. If the blade server will not start, switch to the backup UEFI image. Set switch 7 to the on position. See System-board switches for the location of switch 7.
3. Update the firmware for the server. Make sure that you are using the latest firmware from http://www.ibm.com/support/ fixcentral/systemx/groupView? query.productGroup=ibm%2FBladeCenter.
4. Set switch 7 to the off position. See System-board switches for the location of switch 7.

1. Revert to a previous version of the firmware for the blade server.
2. If the blade server will not start, switch to the backup UEFI image. Set switch 7 to the on position. See System-board switches for the location of switch 7.
3. Update the firmware for the server. Make sure that you are using the latest firmware from http://www.ibm.com/support/ fixcentral/systemx/groupView? query.productGroup=ibm%2FBladeCenter.
4. Set switch 7 to the off position. See System-board switches for the location of switch 7.

1. Revert to a previous version of the firmware for the blade server.
2. If the blade server will not start, switch to the backup UEFI image. Set switch 7 to the on position. See System-board switches for the location of switch 7.
3. Update the firmware for the server. Make sure that you are using the latest firmware from http://www.ibm.com/support/ fixcentral/systemx/groupView? query.productGroup=ibm%2FBladeCenter.
4. Set switch 7 to the off position. See System-board switches for the location of switch 7.

1. Revert to a previous version of the firmware for the blade server.
2. If the blade server will not start, switch to the backup UEFI image. Set switch 7 to the on position. See System-board switches for the location of switch 7.
3. Update the firmware for the server. Make sure that you are using the latest firmware from http://www.ibm.com/support/ fixcentral/systemx/groupView? query.productGroup=ibm%2FBladeCenter.
4. Set switch 7 to the off position. See System-board switches for the location of switch 7.

1. Revert to a previous version of the firmware for the blade server.
2. If the blade server will not start, switch to the backup UEFI image. Set switch 7 to the on position. See System-board switches for the location of switch 7.
3. Update the firmware for the server. Make sure that you are using the latest firmware from http://www.ibm.com/support/ fixcentral/systemx/groupView? query.productGroup=ibm%2FBladeCenter.
4. Set switch 7 to the off position. See System-board switches for the location of switch 7.

1. Check the settings and the event logs.
2. Make sure that the Active Energy Manager feature is enabled in the Setup utility. Select System Settings > Power > Active Energy Manager > Capping Enabled.
3. Update the UEFI firmware.
4. Update the IMM firmware.