Dell C6145 manual Post Error Code, Collecting System Event Log SEL for Investigation

Post Error Code

Collecting System Event Log (SEL) for Investigation

Whenever possible, the BIOS will output the current boot progress codes on the video screen. Progress codes are 32-bit quantities plus optional data. The 32-bit numbers include class, subclass, and operation information. The class and subclass fields point to the type of hardware that is being initialized. The operation field represents the specific initialization activity. Based on the data bit availability to display progress codes, a progress code can be customized to fit the data width. The higher the data bit, the higher the granularity of information that can be sent on the progress port. The progress codes may be reported by the system BIOS or option ROMs.

The Response section in the following table is divided into three types:

1Warning or Not an error – The message is displayed on the screen. An error record is logged to the SEL. The system will continue booting with a degraded state. The user may want to replace the erroneous unit.

2Pause – The message is displayed on the screen, an error is logged to the SEL, and user input is required to continue. The user can take immediate corrective action or choose to continue booting.

3Halt – The message is displayed on the screen, an error is logged to the SEL, and the system cannot boot unless the error is resolved. The user needs to replace the faulty part and restart the system.

Error Code	Error Message	Response
0003h	CMOS Battery Low	Pause
0005h	CMOS Checksum Bad	Pause
0166h	CPU Frequency mismatch!	Halt
0167h	CPUID mismatch!	Halt
0168h	L1 cache size mismatch!	Halt
0169h	L2 cache size mismatch!	Halt
016Ah	CPU Patch level mismatch!	Halt

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