menuentry 'Windows 7 (loader) (on /dev/sdb1)' --class windows --class os $menuentry_id_option 'osprober-chain-AA64B45A64B42AC9' {
insmod part_msdos
insmod ntfs
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 --hint='hd1,msdos1' AA64B45A64B42AC9
else
search --no-floppy --fs-uuid --set=root AA64B45A64B42AC9
fi
chainloader +1
}