This package contains the Dell system BIOS update. The package is supported on Dell Latitude E5270, E5470, E5570, and Precision 3510 that runs Windows and DOS operating systems. BIOS is a firmware that is embedded on a small memory chip on the computer's system board. It controls the keyboard, monitor, disk drives, and other devices. This package contains update for CPU microcode to address Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 and CVE-2018-3640).