During boot, the BIOS may briefly display a red warning message indicating that the System Event Log (SEL) is full. This message appears after multiple reboots, due to the limited SEL storage space of the On-Board Platform Instrumentation. The SEL storage space of the mBMC allows for the storage of 92 SEL entries. A typical reboot adds several informational event messages to the SEL as part of the normal boot process.
The warning message displayed by the BIOS isn't an error. It's a warning message that:
- The SEL is full.
- No more system event messages can be logged until the SEL is cleared.
The System Event Log (SEL) of the On-Board Platform Instrumentation should be cleared regularly. There are several methods of clearing the SEL, including:
- Go to BIOS Setup (F2) and clear the SEL.
- Use the SEL Viewer.
- Use the Clear Event Log option found in the Integrated Baseboard Management Controller (Integrated BMC) Web Console, under the System Health tab.