Asus Z9PE-D16-10G DUAL User Manual page 77

SEL Setting allows you to enable or disable the SEL Backup Function, and set the
upper limit of SEL usage.
When SEL entries in IPMI device reach the upper limit of SEL Usage (in
percent), the ASWM Enterprise will backup and then clean them until the
remaining occupies a lower ratio (in percent) of SEL usage.
ASUS System Web-based Management Enterprise 4-23