GRUB мультибут на внешнем SSD

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
  load_env
fi
if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   save_env next_entry
   set boot_once=true
else
   set default="0"
fi

if [ x"${feature_menuentry_id}" = xy ]; then
  menuentry_id_option="--id"
else
  menuentry_id_option=""
fi

export menuentry_id_option

if [ "${prev_saved_entry}" ]; then
  set saved_entry="${prev_saved_entry}"
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi

function savedefault {
  if [ -z "${boot_once}" ]; then
    saved_entry="${chosen}"
    save_env saved_entry
  fi
}

function load_video {
  if [ x$feature_all_video_module = xy ]; then
    insmod all_video
  else
    insmod efi_gop
    insmod efi_uga
    insmod ieee1275_fb
    insmod vbe
    insmod vga
    insmod video_bochs
    insmod video_cirrus
  fi
}

if [ x$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_msdos
insmod ext2
set root='hd0,msdos2'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos2 --hint-efi=hd0,msdos2 --hint-baremetal=ahci0,msdos2  4f15f637-dd32-4d10-ad03-08d411b6fc25
else
  search --no-floppy --fs-uuid --set=root 4f15f637-dd32-4d10-ad03-08d411b6fc25
fi
    font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  set locale_dir=$prefix/locale
  set lang=tt_RU
  insmod gettext
fi
terminal_output gfxterm
if [ x$feature_timeout_style = xy ] ; then
  set timeout_style=menu
  set timeout=10
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
  set timeout=10
fi
### END /etc/grub.d/00_header ###


############################################# 
menuentry "LEGASY BIOS MINT Live" {
	insmod part_msdos
    insmod search_fs_uuid
    search --fs-uuid --no-floppy --set=root B797-BCD6
    linux	/casper/vmlinuz  file=/cdrom/preseed/linuxmint.seed boot=casper iso-scan/filename=${iso_path} quiet splash --
	initrd	/casper/initrd.lz
}

############################################# 
menuentry "BIOS Windows 10 Light" {
	insmod part_msdos
	insmod ntfs
    insmod search_fs_uuid
    insmod chain
    search --fs-uuid --no-floppy --set=root 4E203F2B6FB1D782
    chainloader +1
}

############################################# 
menuentry "BIOS Windows 7" {
	insmod part_msdos
	insmod ntfs
    insmod search_fs_uuid
    insmod chain
    search --fs-uuid --no-floppy --set=root 5D6D60B811624047
    chainloader +1
}

############################################# 
menuentry "BIOS WinPE" {
	insmod part_msdos
	insmod ntfs
	insmod vfat
    insmod search_fs_uuid
    insmod chain
    search --fs-uuid --no-floppy --set=root CE53-7EF1 
    chainloader +1
}