BOOTICEx86_ru

MBR -> GRUB4DOS
PBR -> SYSLINUX 5.10 :

SYSLINUX.CFG: boot/syslinux/syslinux.cfg


title SYSLINUX 
find --set-root --ignore-floppies /LDLINUX.SYS 
chainloader +1 

LABEL GRUB4DOS 
MENU LABEL Grub4dos 
BOOT /grldr