Alexander Sack wrote:> Hi folks,
>
> I'm new to the list so forgive me if this topic has already been
> explained in great detail.
>
> I'm trying to understand how an image gets booted from an EL-TORITO
> compabatible CD-ROM, so I have some general questions:
>
> 1) Is there a limit of how big the boot image can be? In the
> Initial/Default entry I see a "Sector Count" which is only a word
long
> in length. Does that mean I can only load boot binary (isolinux.bin)
> that is FFFF many sectors (about 32MB)?
128 MB actually (a CD-ROM sector is 2K). I think you've just found the
bug someone reported a few days ago :)
> 2) I see you can use MEMDISK with ISOLINUX. Does that work by
> allowing ISOLINUX to load a big hard disk image off the CD-ROM and then
> boot from that? Is that how an Linux install works?
Yes, you can, but that is not how a Linux install works.
-hpa