[syslinux] Re: Does pxelinux work with >1GB RAM?

[H. J. Lu]

On Mon, Oct 07, 2002 at 05:22:25PM -0700, H. Peter Anvin wrote:
> H. J. Lu wrote:
> > 
> > I am not sure if the stack usage is really an issue. Intel PXE doesn't
> > use any memory below 3MB. However, pxelinux uses memory between 0x1000
> > and 0x7c00 for various buffers. According to PXE 2.1 spec, memory
> > between 0x500 and 0x7c00 are reserved. I don't know if it makes a 
> > difference.
> > 
> 
> The PXE 2.1 "spec" is unbelievably unclear on what is spec and what is
> sample usage.  0x500..0x7c00 is in use by all standard bootstrap
> programs.  DOS loads at 0x700.

Although it looks very ugly, moving buffers after the code makes
pxelinux to work with Promise BIOS.


H.J.