[syslinux] PXEBOOT - chainload different syslinux version

Ady ady-sf at hotmail.com
Sun May 3 13:18:22 PDT 2020

> I would like to chainload syslinux 3.86 after booting from pxelinux of
> syslinux 6.04 is it possible?

> Does anyone know how i can, after booting from the tftproot pxelinux.0
> (syslinux 6.04), chainload isolinux_3.86/pxelinux.0 and make
> isolinux_3.86/ the working dir?
Try using pxechn.c32 from the same version that you are booting with (6.04..., 
+ libutil.c32 + libcom32.c32 from the same version) in order to chainload to a 
different network boot program.

Search the Syslinux wiki for pxechn.c32, and the official docs.


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