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1. If the DIMM configuration was changed prior to this failure verify that the DIMMs are installed in the
correct population sequence.
2. RESEAT the DIMM that failed POST memory test and the DIMMs on adjacent slots if populated. Boot
to F1 setup and enable the DIMM. Reboot the system.
3. Swap the DIMM from failure location to another known good location to see if the failure follow the
DIMM or DIMM slot.
4. If this problem was encountered during an XCC / UEFI update process:
a. Power cycle the system by removing power for a few seconds.
b. Clear CMOS settings by removing battery for a few seconds.
5. If the problem persists, collect Service Data logs and contact Lenovo Support.
• FQXSFMA0011I: Memory population change detected. [arg1]
Severity: Info
Parameters:
[arg1] DIMM identifier consists of S/N, FRU and UDI, e.g. "739E68ED-VC10 FRU 0123456"
User Action:
Complete the following steps:
1. If you have added or removed DIMMs to the system, and no additional errors were detected, then
ignore this message.
2. Check system event log for uncorrected DIMM failures and replace those DIMMs.
• FQXSFMA0027K: Invalid memory configuration (Unsupported DIMM Population) detected. Please
verify memory configuration is valid.
Severity: Error
User Action:
Complete the following steps:
1. This event could follow an uncorrectable memory error or failed memory test. Check the log and
resolve that event first. DIMMs disabled by other errors or actions could cause this event.
2. Ensure that the DIMMs are populated in the correct sequence, according to the service information
for this product.
3. If the DIMMs are present and properly installed, check for any lit DIMM connector error LEDs and
reseat those DIMMs. Check logs for memory diagnostic codes.
4. Reset UEFI to the default settings.
5. If the problem persists, update the UEFI firmware.
6. If the problem persists, collect Service Data logs and contact Lenovo Support.
Note: The solution for this error may involve a system board replacement. If TPM encryption has
been enabled, back up TPM Encryption Recovery Key.
• FQXSFMA0029L: The [arg1] PFA Threshold limit has been exceeded on DIMM [arg2]. [arg3]
Severity: Warning
Parameters:
[arg1] Legacy PFA threshold reach, "High", "Low"
[arg2] DIMM Silk Label, 1-based
[arg3] DIMM info (S/N, FRU and UDI.), e.g. "739E68ED-VC10 FRU 0123456"
.
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Chapter 3
UEFI events
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