Dell M620 owner manual System Bios detected a failure with the SIO

Error Code Message Information

PST0139

PST0140

PST0141

PST0142

PST0143

PST0192

Details	System BIOS detected a failure with the SIO.
Action	Remove and reapply input power. If the issue persists, see Getting Help.
Message	Keyboard controller failed.
LCD Message	Keyboard controller failed. Power cycle system.
Details	System BIOS detected a failure with the Keyboard Controller.
Action	Remove and reapply input power. If the issue persists, see Getting Help.
Message	System management interrupt initialization failed.
LCD Message	SMI initialization failed. Power cycle system.
Details	System BIOS failed to initialize the system management interrupt.
Action	Remove and reapply input power. If the issue persists, see Getting Help.
Message	QuickPath Interconnect (QPI) fatal error.
LCD Message	QuickPath Interconnect (QPI) fatal error.
Details	Quick Path Interconnect failed during system POST.
Action	Reboot the system. If problem persists, remove input power and re-seat processors.
Message	MRC fatal error.
LCD Message	Memory initialization error.
Details	BIOS Memory testing failed.
Action	Compare system memory installation to supported system memory configurations.
	Reduce system configuration to minimum memory configuration.
Message	Intel Trusted Execution Technology (TXT) fatal error.
LCD Message	Intel Trusted Execution Technology (TXT) fatal error.
Details	TXT boot failed. This could be related to memory errors or an error with the system TXT
	configuration. A socketed TPM module may have been removed.
Action	Check TPM presence. Remove and reapply input power. If the issue persists, see
	Getting Help.
Message	Shut-down test failed.
LCD Message	Shut-down test failed. Power cycle system.
Details	System BIOS shutdown test failed during POST.
Action	Check system event log for CMOS battery exceptions. Remove and reapply input
	power. If the issue persists, see Getting Help.

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