Power On
BIOS / UEFI
MBR
Bootloader
Kernel
OS Running
Memory (RAM)
BIOS
Bootloader
Kernel
User Space
Disk
MBR (Sector 0)
Kernel sectors
User data
Click "Start Boot"
This simulator will show what happens from power on to OS load.
What is shown in the diagram?
- Top row: main boot stages.
- Left: how RAM is used during that stage.
- Right: which disk area is being accessed.