Where did my penguins go?
Bill Davidsen
davidsen at tmr.com
Thu Dec 31 17:15:29 UTC 2009
Sam Varshavchik wrote:
> g writes:
>
>> Richard Shaw wrote:
>>
>>> try adding a VESA mode, something like "vga=..." I'm not
>>> sure what resolution you want to run but try "vga=ask" the first time
>>> and pick the one you like the most. If you're happy with it change the
>>> parameter to "vga=0x<mode>". I found out the hard way that you need to
>>> put "0x" on the front of whichever mode you choose.
>>
>> either a hex value or a decimal value may be passed.
>>
>> "0x" is used if you pass a hex value, else value passed will be taken as
>> being a decimal value.
>>
>>
>> some basic resolution codes, in decimal, are:
>>
>> colors bits 640x480 800×600 1024×768 1152×864 1280×1024 1600×1200
>> 256 8 vga=769 vga=771 vga=773 vga=353 vga=775 vga=796
>> 32K0 vga=784 vga=787 vga=790 vga=354 vga=793 vga=797
>> 65K0 16 vga=785 vga=788 vga=791 vga=355 vga=794 vga=798
>> 16M7 24 vga=786 vga=789 vga=792 vga=795 vga=799
>
> Maybe, maybe not. I have several laptops here. Each one produces a
> different list of possible VGA modes.
>
> Your actual VGA modes depend solely on your video BIOS. I looked, and I
> was unable to find any way to obtain a list of supported video modes
> from userspace. The boot time prompt is the only time yu see them.
>
True, I guess, but I have never found on which didn't support 0x305, 0x303, or
0x301, 1024x768, 800x600, and 640x480 at 8 bit. You only need to get it up, the
X vesa driver will let you tune it after.
Note, I'm not advising against "vga=ask" but there are a few modes which work
widely if you know your vertical resolution limit.
--
Bill Davidsen <davidsen at tmr.com>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
More information about the fedora-list
mailing list