Reboot.c32
From Syslinux Wiki
About
reboot.c32 is a COM32 module for Syslinux that is able to reboot the PC.
It supports cold and warm rebooting.
Syntax
reboot.c32 [-w] [--warm]
Example
LABEL cold_reboot COM32 reboot.c32 LABEL warm_reboot COM32 reboot.c32 APPEND -w LABEL warm_reboot2 COM32 reboot.c32 APPEND --warm