I have xp installed on a sata drive 0 Partition 0
I have vista installed on ide drive 0
I have mandriva installed on ide drive 1
The grub mbr is on sata drive 0 partition 0 and boots all three
Boot Mandriva
Boot Windows-XP
Boot Windows-Vista
Now I installed Win7 on sata drive 0 partition 1...
bootloader
bootmanager
computerconfiguration
diskmanagement
dualboot
fixboot
grub
ide
mandriva
mbr
multiboot
operatingsystems
partition
sata
systeminstallation
technicalsupport
troubleshooting
windows 7
windows vista
windows xp