Mailinglist Archive: opensuse (924 mails)

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Re: [opensuse] VGA mode question
On 2012-10-06 01:45 (GMT-0400) Constant Brouerius van Nidek composed:

Felix Miata wrote:

My basic question remains unanswered. I know that I should not show up
on this list with 12.3 questions. I would not dare :)
But my question is and was, how to find out what the right bit rate for
my machine is. How and what are these bit rates and how are they
affecting my screen and computer fun. And are there any restrictions on
the use of higher bit rates. (slowing down the machine, less brilliant
pictures or whatever)

The "right" bit rate is usually the highest rate supported by the display for the selected resolution, assuming the gfxcard supports it with enough speed and RAM. The "right" bit rate for you depends on your visual acuity, the distance between your eyes and display surface, screen size, resolution, dot pitch, and the condition and other specifications of the display. People with old tired eyes are unlikely to tell any difference in bit rates between 15 and 32, same as younger people with poorer than average acuity. With older slower hardware, 15 or 16 bits instead of 24 or 32 may result in a perceptible speed difference, but this is far more a function of the gfxcard than the display.

How to find out the preferred screen size which is normally recognized by
the setup program automatically.

# xrandr in an xterm should be all you need to find out what X thinks your monitor supports. EDID is where it's supposed to come from, but it isn't 100% reliable, particularly in old displays, CRTs especially. X deposits the EDID info it finds in /var/log/Xorg.0.log.

See also: http://en.wikipedia.org/wiki/Color_depth
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"The wise are known for their understanding, and pleasant
words are persuasive." Proverbs 16:21 (New Living Translation)

Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata *** http://fm.no-ip.com/
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