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Date:      18 May 2002 12:10:38 +0100
From:      "S. Roberts" <sroberts@dsl.pipex.com>
To:        Matthias Buelow <mkb@mukappabeta.de>
Cc:        FreeBSD-Questions <freebsd-questions@freebsd.org>
Subject:   Re: How do I set the resolution for a new monitor?
Message-ID:  <1021720239.306.27.camel@Demon.Strobe.org>
In-Reply-To: <20070518040119.GA37439@altair.mukappabeta.net>
References:  <OF0B8CD311.82EB6127-ON88256BBC.0074C56E-88256BBC.007503FE@simrad.no> <1021670265.751.6.camel@Demon.Strobe.org> <20070518013752.GA25364@altair.mukappabeta.net> <1021687406.306.10.camel@Demon.Strobe.org>  <20070518040119.GA37439@altair.mukappabeta.net>

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Hi,
  Thanks for the advice.

I looked at those sections in /etc/XF86Config, but there isn't a field /
variable called "DefaultDepth" anywhere that I can set to our suggested
values.

I've included the graphics and display sections of the config file for
you guys. Please tell me what it is that I have to reset here. The
monitor was okay last night, but today, its starting to give me grief to
look at for long periods now.

This *can't* be this difficult, and I wish I knew the secret switches
and magic to get this to work as its supposed to. The monitor and
graphics cards aren't exactly exotic by any stretch. Someone please
help.

Stacey

File section:

# **********************************************************************
# Graphics device section
# **********************************************************************

# Any number of graphics device sections may be present

# Standard VGA Device:

Section "Device"
    Identifier  "Generic VGA"
    VendorName  "Unknown"
    BoardName   "Unknown"
    Chipset     "generic"

#    VideoRam   256

#    Clocks     25.2 28.3

EndSection

# Sample Device for accelerated server:

# Section "Device"
#    Identifier "Actix GE32+ 2MB"
#    VendorName "Actix"
#    BoardName  "GE32+"
#    Ramdac     "ATT20C490"
#    Dacspeed   110
#    Option     "dac_8_bit"
#    Clocks      25.0  28.0  40.0   0.0  50.0  77.0  36.0  45.0
#    Clocks     130.0 120.0  80.0  31.0 110.0  65.0  75.0  94.0
# EndSection

# Sample Device for Hercules mono card:

# Section "Device"
#    Identifier "Hercules mono"
# EndSection

# Device configured by xf86config:

Section "Device"
    Identifier  "ATI Rage Xpert 98"
    VendorName  "ATI Technologies"
    BoardName   "ATI Rage Xpert 98"
    #VideoRam    8192
    # Insert Clocks lines here if appropriate
EndSection


# **********************************************************************
# Screen sections
# **********************************************************************

# The Colour SVGA server

Section "Screen"
    Driver      "svga"
    Device      "Generic VGA"
    #Device      "ATI Rage Xpert 98"
    Monitor     "Sun 21 inch"
    Subsection "Display"
        Depth       8
        #Modes       "1280x1024" "1024x768" "800x600"
        ViewPort    0 0
        Virtual     320 200
        #Virtual     1600 1280
    EndSubsection
EndSection

# The 16-color VGA server

Section "Screen"
    Driver      "vga16"
    Device      "Generic VGA"
    Monitor     "Sun 21 inch"
    Subsection "Display"
        Modes       "640x480" "800x600"
        ViewPort    0 0
        Virtual     800 600
    EndSubsection
EndSection

# The Mono server

Section "Screen"
    Driver      "vga2"
    Device      "Generic VGA"
    Monitor     "Sun 21 inch"
    Subsection "Display"
        Modes       "640x480" "800x600"
        ViewPort    0 0
        Virtual     800 600
    EndSubsection
EndSection

# The accelerated servers (S3, Mach32, Mach8, 8514, P9000, AGX, W32,
Mach64)

Section "Screen"
    Driver      "accel"
    Device      "ATI Rage Xpert 98"
    Monitor     "Sun 21 inch"
    Subsection "Display"
        Depth       8
        Modes       "1280x1024" "1024x768" "800x600"
        ViewPort    0 0
        Virtual     1600 1280
    EndSubsection
    Subsection "Display"
        Depth       16
        Modes       "1280x1024" "1024x768" "800x600"
        ViewPort    0 0
        Virtual     1280 1024
    EndSubsection
    Subsection "Display"
        Depth       24
        Modes       "1280x1024" "1024x768" "800x600"
        ViewPort    0 0
        Virtual     1152 900
    EndSubsection
    Subsection "Display"
        Depth       32
        Modes       "1280x1024" "1024x768" "800x600"
        ViewPort    0 0
        Virtual     1024 768
    EndSubsection
EndSection
#



On Fri, 2007-05-18 at 05:01, Matthias Buelow wrote:
> S. Roberts writes:
>=20
> >     I ended up running XF86Config to get the display resolution set in
> >the end (thanks to all those that replied earlier). However, despite
> >this, I have to say that my colour settings have now been messed up.
> >
> >Where before I at least had clean crisp colours, now I have this grainy
> >finish to everything. I'll try to see what I can do with it for now, but
> >I'm not happy with what I'm getting out of this monitor.
> >
> >The graphics card's the ATI 8MB XPERT98 that worked brilliantly with my
> >15" monitor, but somehow this 21" monitor with supposedly higher
> >resolution capabilities just isn't happy here.
> >
> >For completeness sake's I'll include the relevant bits of the configs
> >created after running XF86Config. Hopefully someone'll point out some
> >silly oversight on my part.
>=20
> Make sure you're not running in 8bpp mode or such...  try to add a
> "DefaultDepth 24" (or 32 if supported) to your "Screen" section.
> This will always give you a TrueColor display, instead of a PseudoColor
> (8 planes) one, in which certain applications may dither colors to
> make up for the small color space ("grainy finish").
>=20
> On a XFree4 XF86Config (in this part should be the same with XF3)
> this would look similar to the following:
>=20
> ...
> Section "Screen"
>     Identifier  "Screen 1"
>     Device      "radeon7500"
>     Monitor     "hansol"
>     DefaultDepth 24
>=20
>     Subsection "Display"
>     ...
>=20
>=20
> --mkb
>=20
>=20
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-questions" in the body of the message
--=20
Stacey Roberts B.Sc. (HONS) Computer Science
Network Systems Engineer

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Hi,
  Thanks for the advice.

I looked at those sections in /etc/XF86Config, but there isn't a field /
variable called "DefaultDepth" anywhere that I can set to our suggested
values.

I've included the graphics and display sections of the config file for
you guys. Please tell me what it is that I have to reset here. The
monitor was okay last night, but today, its starting to give me grief to
look at for long periods now.

This *can't* be this difficult, and I wish I knew the secret switches
and magic to get this to work as its supposed to. The monitor and
graphics cards aren't exactly exotic by any stretch. Someone please
help.

Stacey

File section:

# **********************************************************************
# Graphics device section
# **********************************************************************

# Any number of graphics device sections may be present

# Standard VGA Device:

Section "Device"
    Identifier  "Generic VGA"
    VendorName  "Unknown"
    BoardName   "Unknown"
    Chipset     "generic"

#    VideoRam   256

#    Clocks     25.2 28.3

EndSection

# Sample Device for accelerated server:

# Section "Device"
#    Identifier "Actix GE32+ 2MB"
#    VendorName "Actix"
#    BoardName  "GE32+"
#    Ramdac     "ATT20C490"
#    Dacspeed   110
#    Option     "dac_8_bit"
#    Clocks      25.0  28.0  40.0   0.0  50.0  77.0  36.0  45.0
#    Clocks     130.0 120.0  80.0  31.0 110.0  65.0  75.0  94.0
# EndSection

# Sample Device for Hercules mono card:

# Section "Device"
#    Identifier "Hercules mono"
# EndSection

# Device configured by xf86config:

Section "Device"
    Identifier  "ATI Rage Xpert 98"
    VendorName  "ATI Technologies"
    BoardName   "ATI Rage Xpert 98"
    #VideoRam    8192
    # Insert Clocks lines here if appropriate
EndSection


# **********************************************************************
# Screen sections
# **********************************************************************

# The Colour SVGA server

Section "Screen"
    Driver      "svga"
    Device      "Generic VGA"
    #Device      "ATI Rage Xpert 98"
    Monitor     "Sun 21 inch"
    Subsection "Display"
        Depth       8
        #Modes       "1280x1024" "1024x768" "800x600"
        ViewPort    0 0
        Virtual     320 200
        #Virtual     1600 1280
    EndSubsection
EndSection

# The 16-color VGA server

Section "Screen"
    Driver      "vga16"
    Device      "Generic VGA"
    Monitor     "Sun 21 inch"
    Subsection "Display"
        Modes       "640x480" "800x600"
        ViewPort    0 0
        Virtual     800 600
    EndSubsection
EndSection

# The Mono server

Section "Screen"
    Driver      "vga2"
    Device      "Generic VGA"
    Monitor     "Sun 21 inch"
    Subsection "Display"
        Modes       "640x480" "800x600"
        ViewPort    0 0
        Virtual     800 600
    EndSubsection
EndSection

# The accelerated servers (S3, Mach32, Mach8, 8514, P9000, AGX, W32,
Mach64)

Section "Screen"
    Driver      "accel"
    Device      "ATI Rage Xpert 98"
    Monitor     "Sun 21 inch"
    Subsection "Display"
        Depth       8
        Modes       "1280x1024" "1024x768" "800x600"
        ViewPort    0 0
        Virtual     1600 1280
    EndSubsection
    Subsection "Display"
        Depth       16
        Modes       "1280x1024" "1024x768" "800x600"
        ViewPort    0 0
        Virtual     1280 1024
    EndSubsection
    Subsection "Display"
        Depth       24
        Modes       "1280x1024" "1024x768" "800x600"
        ViewPort    0 0
        Virtual     1152 900
    EndSubsection
    Subsection "Display"
        Depth       32
        Modes       "1280x1024" "1024x768" "800x600"
        ViewPort    0 0
        Virtual     1024 768
    EndSubsection
EndSection
#



On Fri, 2007-05-18 at 05:01, Matthias Buelow wrote:
> S. Roberts writes:
>=20
> >     I ended up running XF86Config to get the display resolution set in
> >the end (thanks to all those that replied earlier). However, despite
> >this, I have to say that my colour settings have now been messed up.
> >
> >Where before I at least had clean crisp colours, now I have this grainy
> >finish to everything. I'll try to see what I can do with it for now, but
> >I'm not happy with what I'm getting out of this monitor.
> >
> >The graphics card's the ATI 8MB XPERT98 that worked brilliantly with my
> >15" monitor, but somehow this 21" monitor with supposedly higher
> >resolution capabilities just isn't happy here.
> >
> >For completeness sake's I'll include the relevant bits of the configs
> >created after running XF86Config. Hopefully someone'll point out some
> >silly oversight on my part.
>=20
> Make sure you're not running in 8bpp mode or such...  try to add a
> "DefaultDepth 24" (or 32 if supported) to your "Screen" section.
> This will always give you a TrueColor display, instead of a PseudoColor
> (8 planes) one, in which certain applications may dither colors to
> make up for the small color space ("grainy finish").
>=20
> On a XFree4 XF86Config (in this part should be the same with XF3)
> this would look similar to the following:
>=20
> ...
> Section "Screen"
>     Identifier  "Screen 1"
>     Device      "radeon7500"
>     Monitor     "hansol"
>     DefaultDepth 24
>=20
>     Subsection "Display"
>     ...
>=20
>=20
> --mkb
>=20
>=20
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-questions" in the body of the message
- --=20
Stacey Roberts B.Sc. (HONS) Computer Science
Network Systems Engineer

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