Grub and `other' OS
James Drabb
JDrabb at tampabay.rr.com
Wed Oct 15 03:13:58 UTC 2003
On Tue, 2003-10-14 at 11:33, Harry Putnam wrote:
> It gives examples of setting vga by appending to the root line like:
>
> kernel /vmlinuz root=/dev/hda1 vga=ask
>
> doing this and selectinbg various of those offered I see the selected
> size only lasts about 100 or so lines then the standard size
> re-emerges so that most of teh boot messages are in the standard size
> instead of what ever was selected.
>
> Anyone know what that is the case?
You can get a better resolution by using your video cards frame buffer.
>From the file /usr/src/linux/Documentation/fb/vesafb.txt
| 640x480 800x600 1024x768 1280x1024
----+-------------------------------------
256 | 0x301 0x303 0x305 0x307
32k | 0x310 0x313 0x316 0x319
64k | 0x311 0x314 0x317 0x31A
16M | 0x312 0x315 0x318 0x31B
Use one of these numbers instead of the ask value for vga. On my
laptop, I use 800x600 @ 64k by appending vga=0x314 to my kernel line
in grub.conf.
Jim Drabb
--
James Drabb
Senior Programmer Analyst
Davenport, FL USA
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