
Boot Loader Configuration - Installation Location

   Choose the partition where you would like the boot
   loader to be installed.

   Choose  to  install  the boot loader on the Master
   Boot  Record (recommended), unless the MBR already
   starts   another   OS   loader,   such  as  System
   Commander.  The MBR is a special area on your hard
   drive   that   is  automatically  loaded  by  your
   computer's  BIOS,  and  is  the  earliest point at
   which the boot loader can take control of the boot
   process.  If  you  install  the boot loader in the
   MBR,  when  your  machine boots, it will present a
   boot:  prompt.  You  can  then  boot CentOS or any
   other  operating  system  you  configure  the boot
   loader to boot.

   Choose  to  install  the  Linux boot loader on the
   first  sector  of  your boot partition, if you are
   using  another  boot  loader.  In  this case, your
   other boot loader will take control first. You can
   then configure that boot loader to start the Linux
   boot loader (which will then boot CentOS).
