[syslinux] Syslinux Mem= greater than 4096M

[Shao Miller]

On 2/3/2012 19:34, Kevin Sullivan wrote:
> Hi Everyone. I have a question that I have researched, but cannot find 
> an answer. I was wondering if any of the syslinux guru's might have 
> some suggestions for me. We use syslinux (4.04) to boot a specialized 
> USB distribution of Linux that requires the mem= flag to be added to 
> the syslinux.cfg file. The mem= flag is a requirement as this is a 
> custom kernel distribution that uses kernel modules in a highly 
> specialized manner. I can set mem= all the way up to 4096M, but at 
> 4097 and greater, I get the error message of: Not enough memory to 
> load specified image. We have a boot CD port of this same distribution 
> using the legacy (grub 1) boot, and it accepts mem= to levels tested 
> as high as 8192M. Now, obviously, I'm likely hitting a 32 bit syslinux 
> limitation, but we love using syslinux on our USB distribution as it 
> boots on every system that we test on, whereas grub has proven to be 
> problematic. So, can anyone suggest a method for us to pass a mem= 
> 4097M or greater? Any suggestions would be greatly appreciated. Or, on 
> another note, would grub2 be a viable bootloader for USB storage?

I could be mistaken, but I don't recall 'mem=' being a Syslinux 
anything.  What does the Syslinux LABEL paragraph have in it, if you 
please?  - Shao