Re: 調高終端機的最高解析度 ? - Linux

By George
at 2008-07-27T21:20
at 2008-07-27T21:20
Table of Contents
※ 引述《jeremy007 (linux藍海帝國)》之銘言:
: 原始的終端機 (console mode) 解機度為 640x480
: google 了一下, 發現可以調整到 1280x1024
: 可是我的螢幕最佳解析度為 1680x1050 (調成 1280x1024 會糊糊的...)
: 應該要怎麼設定呢 ?
: 謝謝!
: ps: 使用的 os: fedora 9
使用kernel parameter "vga=X", X是看你要用那種解析度決定
可以把"vga=X"加到grub.conf中
X的算法,有一些常見的像1024x768 32bit,就是X=280+512=792
如果你要的是非常規的解析度,要使用vbetest這個工具來偵測X,
通常包在lrmi這個套件裡
gentoo wiki有一段詳盡的說明,但因為該站現在連不上,
所以我貼在最下面
要注意的是,不是每種解析度都是你的顯示卡能支援的,跟顯卡bios
提供的vesafb組態有關。我以前nvidia GeForce2 MX就上不了1280x1024
還有一點是,如果你使用的xorg video driver (像是intel) 有用到
vesafb的話 (其實不知道這樣說正不正確 :p),那"vga=X"這個kernel參數
會影響到後面進入xwindow後,可以調整的桌面解析度的上限
***** Gentoo Wiki http://gentoo-wiki.com/HOWTO_gensplash *****
Can't find the required video mode for your resolution (vesafb)?
VESAFB requires kernel argument vga=x to set the screen resolution and
colors. If the video mode is not listed for your resolution you can still
compute it using vbetest especially if your screen resolution is non-standard
- e.g. 1680x1050 or 1280x800. vbetest is a command line tool that lists the
video modes your graphics card supports. First make sure package lrmi is
installed on your system:
# emerge lrmi
then run vbetest.
Code: vbetest lists supported video modes
$ vbetest
VBE Version 3.0
Intel(r)915GM/910ML/915MS Graphics Chip Accelerated VGA BIOS
[352] 1680x1050 (256 color palette)
[353] 1680x1050 (5:6:5)
[354] 1680x1050 (8:8:8)
[355] 1280x800 (256 color palette)
[356] 1280x800 (5:6:5)
[357] 1280x800 (8:8:8)
[263] 1280x1024 (256 color palette)
[282] 1280x1024 (5:6:5)
[283] 1280x1024 (8:8:8)
[261] 1024x768 (256 color palette)
[279] 1024x768 (5:6:5)
[280] 1024x768 (8:8:8)
[274] 640x480 (8:8:8)
[276] 800x600 (5:6:5)
[277] 800x600 (8:8:8)
[257] 640x480 (256 color palette)
[259] 800x600 (256 color palette)
[273] 640x480 (5:6:5)
Type a mode number, or 'q' to quit - 353
Modes in square brackets are listed in decimal. Add 512 to the mode you need;
pass the result (for example 353+512=865) to your kernel using vga=x, either
in decimal (vga=865) or in hexadecimal (vga=0x361).
Thanks to bdz in Gentoo forums, Getting DRI working with Intel Sonoma
(i915GM) chipset.
--
http://cardassian.blogspot.com/
--
: 原始的終端機 (console mode) 解機度為 640x480
: google 了一下, 發現可以調整到 1280x1024
: 可是我的螢幕最佳解析度為 1680x1050 (調成 1280x1024 會糊糊的...)
: 應該要怎麼設定呢 ?
: 謝謝!
: ps: 使用的 os: fedora 9
使用kernel parameter "vga=X", X是看你要用那種解析度決定
可以把"vga=X"加到grub.conf中
X的算法,有一些常見的像1024x768 32bit,就是X=280+512=792
如果你要的是非常規的解析度,要使用vbetest這個工具來偵測X,
通常包在lrmi這個套件裡
gentoo wiki有一段詳盡的說明,但因為該站現在連不上,
所以我貼在最下面
要注意的是,不是每種解析度都是你的顯示卡能支援的,跟顯卡bios
提供的vesafb組態有關。我以前nvidia GeForce2 MX就上不了1280x1024
還有一點是,如果你使用的xorg video driver (像是intel) 有用到
vesafb的話 (其實不知道這樣說正不正確 :p),那"vga=X"這個kernel參數
會影響到後面進入xwindow後,可以調整的桌面解析度的上限
***** Gentoo Wiki http://gentoo-wiki.com/HOWTO_gensplash *****
Can't find the required video mode for your resolution (vesafb)?
VESAFB requires kernel argument vga=x to set the screen resolution and
colors. If the video mode is not listed for your resolution you can still
compute it using vbetest especially if your screen resolution is non-standard
- e.g. 1680x1050 or 1280x800. vbetest is a command line tool that lists the
video modes your graphics card supports. First make sure package lrmi is
installed on your system:
# emerge lrmi
then run vbetest.
Code: vbetest lists supported video modes
$ vbetest
VBE Version 3.0
Intel(r)915GM/910ML/915MS Graphics Chip Accelerated VGA BIOS
[352] 1680x1050 (256 color palette)
[353] 1680x1050 (5:6:5)
[354] 1680x1050 (8:8:8)
[355] 1280x800 (256 color palette)
[356] 1280x800 (5:6:5)
[357] 1280x800 (8:8:8)
[263] 1280x1024 (256 color palette)
[282] 1280x1024 (5:6:5)
[283] 1280x1024 (8:8:8)
[261] 1024x768 (256 color palette)
[279] 1024x768 (5:6:5)
[280] 1024x768 (8:8:8)
[274] 640x480 (8:8:8)
[276] 800x600 (5:6:5)
[277] 800x600 (8:8:8)
[257] 640x480 (256 color palette)
[259] 800x600 (256 color palette)
[273] 640x480 (5:6:5)
Type a mode number, or 'q' to quit - 353
Modes in square brackets are listed in decimal. Add 512 to the mode you need;
pass the result (for example 353+512=865) to your kernel using vga=x, either
in decimal (vga=865) or in hexadecimal (vga=0x361).
Thanks to bdz in Gentoo forums, Getting DRI working with Intel Sonoma
(i915GM) chipset.
--
http://cardassian.blogspot.com/
--
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