[syslinux] Booting

[Jacob Alifrangis]

I believe that doing this on a GPT formatted disk could totally zap the partitions, ESPECIALLY in hybrid mode. 

-----Original Message-----
From: syslinux-bounces at zytor.com [mailto:syslinux-bounces at zytor.com] On Behalf Of H. Peter Anvin
Sent: Friday, January 25, 2008 7:31 AM
To: For discussion of SYSLINUX and tftp-hpa
Subject: Re: [syslinux] Booting

Murali (முரளி கணபதி) wrote:
>>>
>> Actually, 3.60 introduced persistent storage for extlinux, which could
>> be used for this purpose.  It is currently missing installer support for
>> syslinux, but the core module support is there.
> 
> For ISOLinux and PXELinux, one might be able to get away with using
> the *later sectors* in Track 0 (after leaving space for the MBR) on
> the first hard disk. Of course, this assumes that the "first hard
> disk" remains the same across boots and that various disk formatting
> utilities dont touch that area.
> 
> My "autoboot.c32" does that and I found that the assumptions seemed to be true!
> 
>> But yes, you need to set the bios boot order to boot from whatever
>> medium actually has syslinux on it.
>>

It's by and large true for MS-DOS partition tables (although something 
else can use it...)  However, for non-MS-DOS partition tables it could 
be worse.

	-hpa

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