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@xxxxxxx>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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