[ltp] Thinkpad T43 w/ ATI x300

[Alex Deucher]

On 3/6/06, noc ops <aptgetd@gmail.com> wrote:
>
> Alex Deucher wrote:
> > On 3/6/06, noc ops <aptgetd@gmail.com> wrote:
> >
> >>Looking for some feedback.
> >>
> >>Thinkpad that I have (T43) is currently setup for 1400x1050 with a
> >>refresh rate of 50hz and a max depth rate of 24. See below xorg.conf
> >>
> >>I was hoping to lower the resolution (say 1024x768) w/ a depth rate of
> >>32. Going to 1024x768 w/ refresh rate of 50 hz is simply sucky and blur=
ry .
> >>
> >>Has anyone w/ T43 done that? If so, any insight will be appreciated.
> >>
> >>I'm guessing it has to do something w/ modeline?
> >>
> >
> >
> > What exactly are you asking?  Assuming you are using an LVDS panel why
> > are you using a refresh rate of 50 Hz?
> --------------------
> That's what ubuntu 5.10 configured my thinkpad (t43) for, even if I
> install the new ati driver. Is this not correct? </head scratching/>
>

Perhaps your panel operates at 50 Hz.  can you post your xorg log?

>
> Also, depth 24 is probably what you want.  The radeon driver does not
> support depth 32.
> > Internally the hardware uses 4 bytes per pixel (32 bits) for depth 24,
> > so perhaps that is what is confusing you.
> ---------------------
> hmm...going to a lower resolution other than 1400x1050 gives awefull
> resolution.

The panel's native mode is 1400x1050.  any smaller modes use the
radeon's RMX unit to scale the image to the panel's native mode. Any
mode other than 1400x1050 will look crappy.

Alex

>
>
>
> regards,
> /virendra
>
>
>
> >
> > Alex
> >
> >
> >>
> >>regards,
> >>/virendra
> >>
> >>
> >>-> xorg.conf
> >>---
> >>Section "Monitor"
> >>        Identifier   "Generic Monitor"
> >>        HorizSync    30.0-97.0
> >>        VertRefresh  50.0-160.0
> >>        Option      "DPMS"
> >>        DisplaySize  370.4 277.8
> >>
> >>
> >>Section "Screen"
> >>        Identifier "Default Screen"
> >>        Device     "ATI Technologies, Inc. Radeon Mobility M300 (M22)"
> >>        Monitor    "Generic Monitor"
> >>        DefaultDepth     24
> >>        SubSection "Display"
> >>                Depth     1
> >>                Modes    "1400x1050"
> >>        EndSubSection
> >>        SubSection "Display"
> >>                Depth     4
> >>                Modes    "1400x1050"
> >>        EndSubSection
> >>        SubSection "Display"
> >>                Depth     8
> >>                Modes    "1400x1050"
> >>        EndSubSection
> >>        SubSection "Display"
> >>                Depth     15
> >>                Modes    "1400x1050"
> >>        EndSubSection
> >>        SubSection "Display"
> >>                Depth     16
> >>                Modes    "1400x1050"
> >>        EndSubSection
> >>        SubSection "Display"
> >>                Depth     24
> >>                Modes    "1400x1050"
> >>        EndSubSection
> >>EndSection