[syslinux] PXELINUX initrd problem

[H. Peter Anvin]

Jeffrey Borg wrote:
> Hi there
> 
> I came across this problem with PXELINUX over the last couple of days. The
> computer in question is a Compaq Prosignia 300 Server which I am using as a X
> Terminal.
> 

It's not a PXELINUX problem.

> The Linux kernel only detects 16m of ram in the computer yet it has 80Meg.

Early Compaqs had this particular problem with the BIOS.  Make sure you
do *not* have an "ISA memory hole" or "15-16MB memory hole" configured
in your BIOS.

> When you specify the mem option to kernel it seems as if pxelinux isn't putting
> the initrd image in the correct memory location and thus it won't even bootup.
> 
> This setup was working before I decided to upgrade ltsp from 1.x to the latest
> version. Before I had a specific kernel compiled for this machine.
> 
> Anyone got any idea's about which options can be used to overcome this.

mem=80M

	-hpa