Re: LiveCD bootloader

["Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>]

On 09/09/10 00:47, Teresa e Junior wrote:
> On Wed, 8 Sep 2010 14:54:25 +0930
> Brendan Trotter<btrotter@gmail.com>  wrote:
>
>    
>> Hi,
>>
>> On Wed, Sep 8, 2010 at 2:39 PM, Brendan Trotter<btrotter@gmail.com>
>> wrote:
>>      
>>> GRUB and Linux use "video mode numbers" to request a video mode.
>>> These video mode numbers can be different for different video
>>> cards. Early versions of VBE did define some standard mode numbers,
>>> but these became obsolete in VBE version 2.0 (back in 1994).
>>> Software written after 1994 shouldn't rely on these obsolete video
>>> mode numbers. For example, if you're lucky mode 0x118 might be
>>> 1024*768 with 24-BPP, but nothing guarantees that anymore, and it
>>> could easily be any other video mode. There's also no guarantee
>>> that the the video card supports the video mode (e.g. a lot of
>>> video cards only support 32-BPP video modes and don't support any
>>> 24-BPP video modes; and some only support 24-BPP video modes and
>>> not 32-BPP video modes; and the same is true for 15-BPP vs. 16-BPP).
>>>        
>> My apologies.
>>
>> It seems GRUB2 has improved a lot, and doesn't rely on the obsolete
>> "standard video mode numbers" anymore. Except for problems caused by
>> video modes that are supported by the video card but not supported by
>> the monitor; it's mostly only a problem with Linux itself now.
>>
>>
>> Cheers,
>>
>> Brendan
>>
>> _______________________________________________
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>> Grub-devel@gnu.org
>> http://lists.gnu.org/mailman/listinfo/grub-devel
>>      
> Thanks! We have to set 640x480 as default anyway...
>
>    
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-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko