Examples associated with basic input/output system (BIOS) up-dates are described. One example method includes system management mode locking a first pre-extensible firmware interface initialization (PEI) region and a driver execution environment (DXE) region of a shared serial peripheral (SPI) chip of a BIOS of a computer. A second PEI region of the shared SPI chip is chipset locked. A record in a system management random access memory associated with a video option read only memory (ROM) is created. The video option ROM is loaded. The first PEI region is updated, and periodic graphical updates regarding the progress of updating the first PEI region are provided using the video option ROM.