Re: hdprefix - Load etherboot directly from a harddrive

Per Dalgas Jakobsen wrote:
> Hi Marty,
> 
> Yes, Experimental tag would be probably be a good idea :-)
> 
> Like floppyprefix replaces the bootblock on the floppy, hdprefix just 
> replaces the bootblock on one of the harddrives primary partitions, 
> *not* the MBR.
> 
> It uses INT13 AH=02h; standard BIOS calls (CHS) for re-reading the MBR, 
> 1. sector of the disk (not a problem).
> If your BIOS supports LBA (INT13 ah=42h), it will use LBA for the rest, 
> otherwise it will stay with standard calls.
> 
> This means (I guess), that if your BIOS does not support LBA, the 
> etherboot-image must be within the infamous 528MB limit. If your BIOS 
> supports LBA, I read somewhere that the limit is about 137GB. I think it 
> is the same method as GRUB is using!?!
> 
> Perhaps someone else here knows more regarding limits with standard and 
> LBA BIOS calls?
> 

More than anyone would ever want to know.

Dumb question, though: what's wrong with syslinux for this purpose?

	-hpa


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