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通过VGA启动参数来设置屏幕分辨率模式

 
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VGA Boot modes to set screen resolution

A simple way to set your screen resolution and color depth for most Live Linux distro's is via the use of the vga=parameter boot option. For example at boot you might type: Live vga=795. This would set your system to boot using the Live label with a screen resolution to 24bit 1280X1024. Here are some more examples of common vga boot values.


VGA Resolution and Color Depth reference Chart:
Depth     800×600     1024×768     1152×864     1280×1024     1600×1200
8 bit     vga=771     vga=773     vga=353     vga=775     vga=796
16 bit     vga=788     vga=791     vga=355     vga=794     vga=798
24 bit     vga=789     vga=792               vga=795     vga=799

http://www.pendrivelinux.com/vga-boot-modes-to-set-screen-resolution/

 

另附常见的分辨率对应vga编码:

VGA参数表

hwinfo --framebuffer | grep Mode
  Model: "NVIDIA GW-P/N@PM898486GTQ14P:0"
  Mode 0x0300:   640x400 (+640), 8 bits
  Mode 0x0301:   640x480 (+640), 8 bits
  Mode 0x0303:   800x600 (+800), 8 bits
  Mode 0x0305:   1024x768 (+1024), 8 bits
  Mode 0x0307:   1280x1024 (+1280), 8 bits
  Mode 0x030e:   320x200 (+640), 16 bits
  Mode 0x030f:    320x200 (+1280), 24 bits
  Mode 0x0311:   640x480 (+1280), 16 bits
  Mode 0x0312:   640x480 (+2560), 24 bits
  Mode 0x0314:   800x600 (+1600), 16 bits
  Mode 0x0315:   800x600 (+3200), 24 bits
  Mode 0x0317:   1024x768 (+2048), 16 bits
  Mode 0x0318:   1024x768 (+4096), 24 bits
  Mode 0x031a:   1280x1024 (+2560), 16 bits
  Mode 0x031b:   1280x1024 (+5120), 24 bits
  Mode 0x0330:   320x200 (+320), 8 bits
  Mode 0x0331:   320x400 (+320), 8 bits
  Mode 0x0332:   320x400 (+640), 16 bits
  Mode 0x0333:   320x400 (+1280), 24 bits
  Mode 0x0334:   320x240 (+320), 8 bits
  Mode 0x0335:   320x240 (+640), 16 bits
  Mode 0x0336:   320x240 (+1280), 24 bits
  Mode 0x033d:   640x400 (+1280), 16 bits
  Mode 0x033e:   640x400 (+2560), 24 bits
  Mode 0x0345:   1600x1200 (+1600), 8 bits
  Mode 0x0346:   1600x1200 (+3200), 16 bits
  Mode 0x0347:   1400x1050 (+1400), 8 bits
  Mode 0x0348:   1400x1050 (+2800), 16 bits
  Mode 0x0349:   1400x1050 (+5600), 24 bits
  Mode 0x034a:   1600x1200 (+6400), 24 bits
  Mode 0x0352:   2048x1536 (+8192), 24 bits
  Mode 0x0360:   1280x800 (+1280), 8 bits
  Mode 0x0361:   1280x800 (+5120), 24 bits
  Mode 0x0362:   768x480 (+768), 8 bits
  Mode 0x0364:   1440x900 (+1440), 8 bits
  Mode 0x0365:   1440x900 (+5760), 24 bits
  Mode 0x0368:   1680x1050 (+1680), 8 bits
  Mode 0x0369:   1680x1050 (+6720), 24 bits
  Mode 0x037c:   1920x1200 (+1920), 8 bits
  Mode 0x037d:   1920x1200 (+7680), 24 bits


转自:http://blog.csdn.net/yeqishi/archive/2010/05/09/5573097.aspx

 

然后通常在内核参数后添加,如,(1280x800 (+5120), 24 bits)

[simonsun@magic ~]$ sudo cat /boot/grub/grub.conf
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE:  You have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /boot/, eg.
#          root (hd0,0)
#          kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00
#          initrd /initrd-version.img
#boot=/dev/sda
default=0
timeout=0
#splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.18-194.8.1.el5)
        root (hd0,0)
        kernel /vmlinuz-2.6.18-194.8.1.el5 vga=0x0361 ro root=/dev/VolGroup00/LogVol00 rhgb quiet
        initrd /initrd-2.6.18-194.8.1.el5.img

重启后,控制台的分辨率就变成和设置度vga对应的的一样了,字体不会很大也不会很小。

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