[coreboot] [PATCH] Free VGA BIOS for K8M890

Luc Verhaegen libv at skynet.be
Sun Apr 26 05:10:36 CEST 2009

On Sat, Apr 25, 2009 at 09:25:58AM -0700, ron minnich wrote:
> Just a note of warning here. We tried this approach in 2001 or so.
> This approach may work on your board, and will likely work on many
> boards. What many vendors do, however, is hard-code timing information
> in their VGA BIOS -- e.g. DRAM info -- and they change parts and
> timing all the time. We found cards that were the same vendor, same
> card, same part number, that had different values for setup. We
> ultimately abandoned the approach you are using because of this
> problem.
> Which is to say, I am glad this worked for you, but I am afraid it
> will not work in general.
> Thanks
> ron

For unichrome, this will work quite well if you take it per chip 
version. There's only like 11 out currently. And the amount of work is 
rather minimal per chip beyond the standard vga modeset (as i have been 
there on there EPIA M  and, at the time, linuxbios v2)..

Luc Verhaegen.

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