[ltp] Intel Graphics Media Accelerator 900 vs 64MB ATIMobility
Radeon x300
noc ops
linux-thinkpad@linux-thinkpad.org
Tue, 28 Mar 2006 07:07:12 -0800
L. Mark Stone wrote:
>
> Quoting noc ops <aptgetd@gmail.com>:
>
>
>>L. Mark Stone wrote:
>>
>>>Quoting noc ops <aptgetd@gmail.com>:
>>>
>>>
>>>
>>>>I'm trying to decide whether to pick Intel Graphics Media Accelerator
>>>>900 vs 64MB ATI Mobility Radeon x300 (integrated) for my thinkpad R52.
>>>
>>>
>>>With ATI you get ATI's binary-only drivers or the barebones ati kernel
>>>driver. If you use ATI's drivers, you'll need to recompile them
>>>everytime you do a kernel update. That means you'll need to install a
>>>build environment as well as the kernel sources. It also means you'll
>>>need to have some familiarity with boot options and/or init 3, for
>>>when you update the kernel and forget to recompile the binary driver
>>>before rebooting.
>>>
>>>With the Intel, you can use the 855resolution package (or the newer
>>>915resolution package; 855resolution works fine for me) to get
>>>1400x1050. Not sure about Ubuntu, but SuSE (which is what I run on my
>>>15" 1859-BAU R52) includes the 855resolution package and so set up was
>>>pretty easy--and I don't have to worry about kernel udates. Plus, I
>>>get 3D, the external monitor works, and I can use the KDE utils (I
>>>don't know if Gnome has something comparable) to change the screen
>>>resolution on the fly.
>>
>>--------------
>>What if I let the system (ubuntu 5.10 in my case) use the default
>>(intel) display driver? Or should I get the newer version of i915 [0]?
>
>
>
> Well, the 855resolution and 915resolution packages are not display
> driver packages, so you will use the default Ubuntu-bundled Intel
> driver (the SuSE-bundled driver supports 3D; I expect Ubuntu's will
> too).
>
> What 855/915resolution does is to patch the Intel video BIOS. Sounds
> scary, but it isn't, because the patch you apply to the video BIOS is
> not permanent. The Intel chipset is capable of many more resolutions
> than can be stored in its BIOS. In my case, 1400x1050 was not stored
> in the video BIOS, hence the need for the patch. (As near as I can
> tell, the IBM-supplied Windows XP video driver does the same thing.)
>
> You don't have to use 855/915resolution if you don't want to, but in
> my case that meant SuSE would only do 1280x1024, instead of 1400x1050.
> And at 1280x1024, screen fonts looked pretty awful and fuzzy.
>
> I took a stab at creating a draft HOWTO for SuSE. Please feel free to
> use it if it is helpful. You can access it at:
> http://pinot.rnome.com/LCD.pdf. Note that I have changed the
> DisplaySize setting in the Monitor section after I wrote the pdf.
> Also, if you are not familiar with SuSE, "sax2" is the video utility
> that generates the xorg.conf file. I don't know the comparable Ubuntu
> tool.
---------------
thanks a million! I'll give this a shot when my machine arrives.
regards,
/virendra
>
> I hope that helps!
>
> Mark
>