On Tuesday, August 16, 2011 06:00:53 AM Lester Caine did opine:
> gene heskett wrote:
> > Since true 4x3 monitors are about as plentiful as hens teeth these
> > days, and the axis interface seems to ignore this unsquare pixel, is
> > there a way I can fix this that anyone knows about short of just
> > using the center 2/3rds of the screen via the button on the monitor?
>
> Gene
> I am currently looking at a pair of 1920 by 1200 monitors fully
> populated by the Linux box, so at least some of the information you are
> getting has to be incorrect ;)
>
> You will need to load the the Linux ATI driver if you want the monitor
> resolution to be set automatically,
> http://support.amd.com/us/gpudownload/linux/Legacy/Pages/radeon_linux.as
> px?type=2.4.1&product=2.4.1.3.12&lang=English ( Is that available via
> packag manager in a EMC setup? Not got a network connection on that
> machine here )
>
I do, but the downloadable driver available there has no support for an AGP
version of the ATI Technologies Inc Radeon X1650 Pro family of stuff.
Which is typical of ATI, by the time they get poor, crashy support in a
linux driver, that card is obsolete and 2 years out of the supply
pipelines. I have played this game with ATI vs linux for damned near 13
years now, and 4 cards, with this card being the latest. That really is
twice more than I should have been burnt, but I bought that particular card
based on Alex Deutcher saying it had linux drivers. They were an
unmitigated disaster. The very next catalyst release for linux removed the
ability to drive that old a card, it was obsolete at 18 months according to
their marketing idiots.
Their (AMD/ATI) whole business model is driven by sales of new cards to
every user on about a 1 year cycle. Enforced by releasing new drivers that
won't drive the card you have that hasn't even had a chance to get dusty
yet. But just to test, I will run the latency-test with vesa and note it
down, then switch the 'vesa' to 'ati' which auto-detects the card and loads
the proper radeon driver, and see if the radeon performance is usable. The
last time I tried that, on 8.04 LTS, it was a disaster complete with
pixelization contamination and the video was a second behind the machine.
At the same base thread, keyboard response to control the machine was often
several seconds.
For desktop non-emc use, nvidia throws a new driver over the fence at about
30 day intervals and I use them on this house machine. I would love it if
they were usable for EMC, but the latency's jump into the 100 milliseconds
range, so even nvidia cards must be used in the vesa mode if EMC is to be
used.
> it is also possible as Przemek has said to manually set up the
> resolution in xorg.conf, and that is something I've been familiar with
> for many years, but recent distributions of linux ARE making that a bit
> more difficult. In my own case, the computers are the other side of a
> KVM switch arrangement, and - for example - currently the script I run
> in SUSE11.3 to give me the dual screen will not run in SUSE11.4 because
> that is defaulting to 1024x768 rather than ignoring the fact there is
> no feedback from the monitor :( 'nomodeset' is apparently no longer
> your friend ...
Cheers, gene
--
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Peace was the way.
-- Kirk, "The City on the Edge of Forever", stardate
unknown
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