Managing EFI Boot Loaders for Linux: Using SYSLINUX
Ubuntu – Setup PXE Server using pxelinux files only (Bios & UEFI Support) – Griffon's IT Library
Up and running for over a year then "Syslinux 6.03 EDD Boot Error" - General Post-Installation Questions/Discussions (non-hardware specific) - XPEnology Community
How to Replace GRUB with Syslinux on Arch Linux
Boot netboot.xyz from Grub2, Grub4dos and Syslinux