RPI, config.txt: overscan, not working

[Eric Gunther]

On Thu, 2014-12-25 at 15:39 -0700, Ian Lepore wrote:
> While searching for something else I just ran across this info:
> 
>         overscan_scale=1 caused the output of openFrameworks to respect
>         the overscan_left, overscan_right, top and bottom settings with
>         the use of an LCD display connected via composite.
> 
> So maybe just adding that to config.txt would make your overscan
> settings work right.  I found that at:
> 
> http://elinux.org/RPiconfig
> 
> -- Ian
> 
First of all, Thank you.  Not really getting anywhere with this.
I have been to that page at least ten times :| , anyway I had seen there
are also what appears to be allowances for different settings with the
framebuffer.http://elinux.org/RPi_Framebuffer#Format_of_GPU_Framebuffer_Structure
Additionally I was thinking that I could set the terminal to a different
setting. lines and columns as per termcap, hadn't gotten through that
yet.  Because realistically the best results I have obtained are no
better than the image without tinkering.  Particularly the initial
stages of boot.

Thanks again,
I will give that a go.

-e





On Mon, 2014-11-03 at 19:57 -0500, ito wrote:
> > Hi,
> > 
> > 
> > I Discovered that the framebuffer_width and framebuffer_height sizes
> > seem to work but the overscan_left, overscan_right, etc. not as much.
> > 
> > I have settled on 
> > 
> > framebuffer_width=720
> > framebuffer_height=400
> > 
> > referenced a well commented config.txt although solely added the two
> > framebuffer entries to the existing config.txt because the overscan did
> > not seem to work.
> > 
> > https://raw.githubusercontent.com/Evilpaul/RPi-config/master/config.txt
> > 
> > 
> > Thanks for any advice,
> > 
> > ito
> > 
> > On Sun, 2014-11-02 at 03:46 -0500, ito wrote:
> > > Is there anyone with an idea as to how I can stop the text from spilling
> > > off the screen.
> > > 
> > > The display is in excess of 1/2 an inch all around.
> > > 
> > > Thanks,
> > > 
> > > ito
> > > 
> > > 
> > > 
> > > On Fri, 2014-10-31 at 13:00 -0400, ito wrote:
> > > > Hello, 
> > > > 
> > > > I have a raspberry pi, 
> > > > 
> > > > 	Model B Revision 2.0 (512MB)
> > > > which has the logo along with:
> > > > 	Raspberry Pi 
> > > > 	(c)2011.12 
> > > > written on it.
> > > > 
> > > > I have obtained a image for freebsd to run from here:
> > > > 
> > > > ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/arm/armv6/ISO-IMAGES/10.0/
> > > > 
> > > > 
> > > > I uncompressed the image on a OpenSUSE system, and used,
> > > > 
> > > > sudo dd if=FreeBSD-10.0-RELEASE-arm-armv6-RPI-B-20140131-r260789.img
> > > > of=/dev/sdd
> > > > 
> > > > to put the image on a micro SD... with that card and adapter I have
> > > > successfully boot freebsd.
> > > > 
> > > > The problem I am facing now is that I am using the yellow SVGA (RCA type
> > > > plug) cables to use an old Television as a monitor, with this setup I
> > > > have an issue with the text running off of the screen.
> > > > 
> > > > I have tried the config.txt file with 
> > > > overscan_disable=0 
> > > > overscan_left=20
> > > > overscan_right=20
> > > > overscan_top=20
> > > > overscan_bottom=20
> > > > 
> > > > 
> > > > added to the existing config.txt
> > > > 
> > > > 
> > > > 
> > > > I have tried to load vesa:
> > > > 
> > > > kldload vesa
> > > > 
> > > > where I get a prompt that it does not exist.
> > > > 
> > > > I looked in the kernel directory (/boot/kernel/)  and there is no vesa,
> > > > not sure what that means.
> > > > 
> > > > 
> > > > I am assuming that there is something that is not happening with the
> > > > config.txt.  I saw mention of using the files here to replace the files
> > > > on the pi;
> > > > 
> > > > https://github.com/raspberrypi/firmware
> > > > 
> > > > 
> > > > SO, essentially, how do I get the text to stop from spilling off of the
> > > > screen (command prompt-no gui).
> > > > 
> > > > 
> > > > Thank You,
> > > > 
> > > > ito
> > > 
> > 
> > 
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> 
> 
>