On my computer I have 3 primary partitions:
1. "System reserve" which contains e.g.the Bootmamanger and MBR
2. First Win 7 installation ("main")
3. Second Win 7 installation ("reserve")
When I boot now at first the Bootmanager on the first primary partition is called/started which in...
boot manager
boot menu
boot options
computer configuration
disk management
disk visibility
explorer
hide partition
mbr
multiple installations
os boot
partitions
primary partitions
renameentries
storage management
system reserve
system settings
user interface
windows 7