From Adélie Linux

syslinux is the primary bootloader for x86 and x86_64 computers running Adélie Linux.

Basic installation

This assumes that you have followed the HOWTO for manual installs, have mounted your /boot directory to /target/boot (or will be booting off /target), have installed the syslinux package using

   # apk --root /target add syslinux

and have chrooted into /target.

Copy necessary files

   # mkdir /boot/syslinux
   # cp /usr/share/syslinux/*.c32 /boot/syslinux/

Write a configuration file

Install MBR boot code

   # extlinux --install /boot/syslinux
   # dd if=/usr/share/syslinux/mbr.bin of=/dev/sda bs=440 count=1 conv=notrunc

External links

Official site Configuration information