dumpreg man page on aLinux

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dumpreg(1)		      Svgalib User Manual		    dumpreg(1)

       dumpreg - dump the state of the card as the svgalib chipset driver sees

       dumpreg < /dev/ttyN

       The chipset drivers of svgalib inquire the mode	of  the	 graphic  card
       when  the application is started and restore it when the svgalib appli‐
       cation quits.  dumpreg prints this information to stdout.

       This is useful for debugging or adding modes to a  device  driver.  For
       example	you  can  use  Xfree86	to setup a given mode timing, then run
       dumpreg and use it's stdout to make your	 chipset  driver  use  exactly
       this timing.

       However,	 the recent change of svgalib to hunt an own free virtual con‐
       sole does not allow this,  because  it  will  make  Xfree86  return  to
       textmode	 first. You can avoid this by using the second form where N is
       the number of the virtual console on which Xfree86 runs (usually 7)  as

       svgalib(7),  vgagl(7),  libvga.config(5), vga_dumpregs(3), convfont(1),
       fix132x43(1),  restorefont(1),  restorepalette(1),  restoretextmode(1),
       runx(1), savetextmode(1), setmclk(1), textmode(1).

       This  manual  page  was	edited by Michael Weller <eowmob@exp-math.uni-
       essen.de>. The exact source of the referenced utility as well as of the
       original documentation is unknown.

       It is very likely that both are at least to some extent are due to Harm
       Hanemaayer <H.Hanemaayer@inter.nl.net>.

       Occasionally this might be wrong. I hereby asked to be excused  by  the
       original author and will happily accept any additions or corrections to
       this first version of the svgalib manual.

Svgalib (>= 1.2.11)		  2 Aug 1997			    dumpreg(1)

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