Re: Debian Live Advanced Micro Devices, Inc. [AMD/ATI] RS780 [Radeon HD 3200] screen resolution

[Richmond <richmond@criptext.com>]

"Andrew M.A. Cater" <amacater@einval.com> writes:

> On Sat, Jan 08, 2022 at 06:52:32PM +0000, Richmond wrote:
>> I am currently running Debian 10.
>> 
>> sudo lspci|grep VGA
>> 01:05.0 VGA compatible controller: Advanced Micro Devices,
>> Inc. [AMD/ATI] RS780 [Radeon HD 3200]
>> 
>> sudo xrandr
>> 
>> Screen 0: minimum 320 x 200, current 1440 x 900, maximum 8192 x 8192
>> VGA-0 connected primary 1440x900+0+0 (normal left inverted right x axis
>> y axis) 408mm x 255mm
>> 
>> 1440x900      59.89*+  74.98  
>>    1280x1024     75.02    60.02  
>>    1024x768      75.03    70.07    60.00  
>>    832x624       74.55  
>>    800x600       72.19    75.00    60.32    56.25  
>>    640x480       75.00    72.81    66.67    59.94  
>>    720x400       70.08  
>> HDMI-0 disconnected (normal left inverted right x axis y axis)
>> 
>> So I boot the debian 11 live iso from usb and it only offers me three of
>> the lowest resolutions. I think what I need to do is tell the kernel
>> command line to install the radeon driver, or maybe copy an xorg.conf
>> file onto the live root but I cannot find any such file, no file which
>> contains 1440x900.
>> 
>> How can I get 1440x900 with the live cd?
>>
>
> You need the debian-live with non-free firmware included:
> https://cdimage.debian.org/cdimage/unofficial/non-free/cd-including-firmware/11.2.0-live+nonfree/amd64/bt-hybrid/
> and whichever desktop you want.
>
> I would very strongly suggest NOT to use debian-live images to install if
> you're not sure - as another user has found, they can install large amounts
> of extra software and would, instead, suggest installing using the non-free
> firmware netinst or the DVD:  
>
> https://cdimage.debian.org/cdimage/unofficial/non-free/cd-including-firmware/11.2.0+nonfree/amd64/iso-cd/firmware-11.2.0-amd64-netinst.iso
>
> or
>
> https://cdimage.debian.org/cdimage/unofficial/non-free/cd-including-firmware/11.2.0+nonfree/amd64/iso-dvd/firmware-11.2.0-amd64-DVD-1.iso
>
> then work through. The files you need are almost certainly in either
> firmware-linux-nonfree or firmware-misc-nonfree: it's probably worth
> installing those at some point to make sure.
>
> With every good wish, as ever,
>
> Andy cater

Thanks. The live non-free cd worked. Don't worry, I am not doing an
installation or upgrade, I just wanted to use a live cd.