Re: Intel845 resolution problem

On 12/27/2008 03:16 PM, Frank McCormick wrote:
NoOp wrote:
On 12/23/2008 11:25 PM, Shiva Chikkalli wrote:
Hi,

Thanks for the help. I had done the fonts adjustment and also the refresh
cycle. It had improved a lot. My screen is quite reasonable and no much
issue except, I want to see the screen as good as Windows. I am using
"SyncMaster 793s".

As suggested, I feel going back to UBUNTU8.04 would be a better idea if it
helps me substantially improvement in screen resolution.

*Please, please let me know what is the better way to downgrade the Ubuntu,
I mean the procedure..*

regards
Shiva

The only way that I know of to 'downgrade' to 8.04.1 would be to
reinstall. However, I have a system with an i845 with hardy on it, so I
used displayconfig-gtk to generate an xorg.conf file for your monitor
(see attached). Quite honestly I do not know how/if it will work with
Intrepid as I blew out the only Intrepid install that I had and haven't
gotten around to reinstalling 8.10 yet.

You can try this xorg.conf and see if it improves your screen. However,
first backup your existing xorg.conf:

$ sudo cp /etc/X11/xorg.conf /etc/X11/xorg.confbackup

Now copy the attached xorg.conf in it's place:

$ sudo cp /<locationwhereyousavedit>/xorg.conf /etc/X11/xorg.conf

Now log out and then log back in & check your screen. Note: if you run
into issues with this xorg.conf; reboot and select the recovery option.
When that comes up, select the xfix option, let it run and then select
the first option to continue to boot normally. That will rewrite a
default xorg.conf over the Syncmaster xorg.conf. You can then restore
your backup if you wish:

$ sudo cp /etc/X11/xorg.confbackup /etc/X11/xorg.conf

and you should be back to where you started.



The only suggestion I would make is to change the driver to "intel"
from "i810" seeing as his chipset is i845. The intel driver is much
better for this chipset.


i810 is what displayconfig-gtk produces in Hardy. When I replace i810 on
my 845 chipset the screen (MegaImage 17 and Hitachi SuperScan Elite 641
.22 mm) refresh is totally out of sync and I need to Alt-F1 to modify
back to i810. Perhaps the intel driver works in Intrepid (the OP's
system) but it breaks mine in Hardy. With the i810 I also get full
compiz effects etc. (again with Hardy). From lshw on that machine:

*-display
description: VGA compatible controller
product: 82845G/GL[Brookdale-G]/GE Chipset Integrated
Graphics Device
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 03
width: 32 bits
clock: 33MHz
capabilities: pm vga_controller bus_master cap_list
configuration: driver=i810_smbus latency=0 module=i2c_i810

So, I reckon that Shiva can try replacing 'i810' with 'intel' as it
appears that i810 is depreciated in Intrepid:

http://packages.ubuntu.com/intrepid/xserver-xorg-video-i810

but then, maybe that's the problem... depreciated/transitioned drivers
that work in 8.04 but not in 8.10 (nvidia for example). I'll load up the
second hard drive on that machine with Intrepid tomorrow and test then.








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