[syslinux] Support for 4kb disks

H. Peter Anvin hpa at zytor.com
Wed Oct 3 08:45:34 PDT 2012


On 10/03/2012 08:24 AM, Frediano Ziglio wrote:
>
> I don't own it by myself but people from Dell have one in their lab and
> tested our built syslinux (based on 4.06 git version and patches I
> sent).
>
> Doing some test normal int13 still use 512 byte sector size while int13x
> detect that disk have physically 4kb sector and use this size. The bad
> thing is that using int13 sector 1 (0/0/2 C/H/S) start after 512 bytes
> while int13x sector 1 start after 4096 bytes).
>

Right... this is according to EDD specifications.  Unfortunately it 
disagrees with legacy behavior, which makes the CHS fallback patch a lot 
more complex (on the other hand, it is hard to imagine a case where it 
would actually be used.)

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.




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