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Re: cdrw/dvd, hdparm, and ide-scsi



On Sat, Jan 25, 2003 at 06:16:32PM +0000, Soren A wrote:
> Bob Nielsen <nielsen@oz.net> wrote around 23 Jan 2003
> 20030124032941.GA1929@n7xy.net:">news:20030124032941.GA1929@n7xy.net: 
> 
> > On Thu, Jan 23, 2003 at 12:48:17PM -0500, cyn wrote:
> >> 
> >> Oh, one last thing - shouldn't a high-resolution console look
> >> different? I have sisfb compiled in and my append includes:
> >>      video=sisfb:mode:1024x768x16,mem:12288
> >> which seems to me like it should be setting the console to a high
> >> resolution videomode... but on boot it's running normal and dmesg
> >> says Console: colour VGA+ 80x25
> > 
> > Try "vga=791".
> 
> Since I cannot see any obvious correlation between this "791" and the 
> parameters given above (which I didn't know one could do, having just read 
> everything on LILO I could get my hands on, 12 hours ago), could you please 
> elaborate on the formula used to come up with such special fb statements to 
> append= -- my laptop, likewise, is capable of hi-res (same as his, 
> 1024x768, but I don't know my video memory spec).
> 
> Or point me towards some Fine Documentation.

791 (317hex) is kernel mode for 64k colours and 1024x768 resolution.
See file vesafb.txt in the Documentation/fb subdirectory of the
kernel-source

Frank



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