Subject: Fwd: kernel argument values for YDL2.1 / Wallstreet 233
From: Gordon Neault (gordo-x@shaw.ca)
Date: Sun Jan 06 2002 - 09:02:55 MST
As per a correct message posted earlier:
Vmode refers to a video mode.
My comments (previous message and below) refer to video depth.
therefore correct syntax would be something like:
vmode:10;15
(video mode 10, depth 15 = 16 bit = thousands of colors)
rather than the examples I gave below.
Begin forwarded message:
> From: Gordon Neault <gordo-x@shaw.ca>
> Date: Sun Jan 06, 2002 09:57:56 AM America/Regina
> To: yellowdog-general@lists.yellowdoglinux.com
> Subject: Re: kernel argument values for YDL2.1 / Wallstreet 233
> Reply-To: yellowdog-general@lists.yellowdoglinux.com
>
> Some basic info about vmodes (video modes)
> This refers to the color depth (bits per pixel)
> vmode:8 8bit color 256 colors
> vmode:15 16bit color 16K colors
> vmode:16 16bit color
> vmode:24 24bit color millions
> vmode:32 24 bit color
>
> Generally you will see references to 8, 16 and 24 bit color. In some
> cases that's what you use to specify color depth.
> However, a color depth must be dividable by 3; therefore 16 bit color
> is actually 15 bit. Sometimes you have to be specific (15) and
> sometimes the video settting assumes convention (name it 16) but
> actually sets the "correct" value (ie depths called 16 bit are actually
> set at 15 bit).
> 32 bit is really 24 bit color, again sometimes 32 (naming convention)
> will work and sometimes you need to name it correctly (24). Sometimes
> it really doesn't matter (eg either 24 or 32 work equally as well).
>
> I don't run Linux on a LCD screen or a powerbook; I understand some
> video arguments use non-standard settings for video depth on these
> machines. Having said that, I would keep to settings that are either
> standard (8,15,16,24,32) or one specifically mentioned as a solution to
> your particular machine (like G4 powerbooks) rather than just trying
> numbers more or less at random.
>
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