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Old 05-25-2004, 12:11 AM   #1
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Registered: Jan 2004
Distribution: RH 9
Posts: 9

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Higher than native monitor resolution?

I have a Dell Dimension 8300 running Fedora Core 1. I have a Dell 1901FP flat panel display monitor whose "native resolution" is 1024x1268. I had to install the ATI driver to get this monitor to work in the first place.

Is there any way to get a higher resolution like say 1200x1600? At 1024x1268, I can't cram as many windows apps on my screen as I am used to. I feel like one of those Windows users who makes their browser take up the entire desktop!

I have tried adding the higher resolution to my XF86Config-4 file (via the ATI config program), but it seems to skip it when I cycle through the resolutions with ctrl-alt-+. Here are the relevant sections from XF86Config-4:

# **********************************************************************
# Monitor section
# **********************************************************************

# Any number of monitor sections may be present

Section "Monitor"
Identifier "Monitor0"
HorizSync 30-80
VertRefresh 56-76
Option "DPMS"

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

# Any number of graphics device sections may be present

# Standard VGA Device:

Section "Device"
Identifier "Standard VGA"
VendorName "Unknown"
BoardName "Unknown"

# The chipset line is optional in most cases. It can be used to override
# the driver's chipset detection, and should not normally be specified.

# Chipset "generic"

# The Driver line must be present. When using run-time loadable driver
# modules, this line instructs the server to load the specified driver
# module. Even when not using loadable driver modules, this line
# indicates which driver should interpret the information in this section.

Driver "vga"
# The BusID line is used to specify which of possibly multiple devices
# this section is intended for. When this line isn't present, a device
# section can only match up with the primary video device. For PCI
# devices a line like the following could be used. This line should not
# normally be included unless there is more than one video device
# installed.

# BusID "PCI:0:10:0"

# VideoRam 256

# Clocks 25.2 28.3


# === ATI device section ===

Section "Device"
Identifier "ATI Graphics Adapter"
Driver "fglrx"
# ### generic DRI settings ###
# === disable PnP Monitor ===
#Option "NoDDC"
# === disable/enable XAA/DRI ===
Option "no_accel" "no"
Option "no_dri" "no"
# === misc DRI settings ===
Option "mtrr" "off" # disable DRI mtrr mapper, driver has its own code for mtrr
# ### FireGL DDX driver module specific settings ###
# === Screen Management ===
Option "DesktopSetup" "0x00000000"
Option "MonitorLayout" "AUTO, AUTO"
Option "IgnoreEDID" "off"
Option "HSync2" "unspecified"
Option "VRefresh2" "unspecified"
Option "ScreenOverlap" "0"
# === TV-out Management ===
Option "NoTV" "yes"
Option "TVStandard" "NTSC-M"
Option "TVHSizeAdj" "0"
Option "TVVSizeAdj" "0"
Option "TVHPosAdj" "0"
Option "TVVPosAdj" "0"
Option "TVHStartAdj" "0"
Option "TVColorAdj" "0"
Option "GammaCorrectionI" "0x00000000"
Option "GammaCorrectionII" "0x00000000"
# === OpenGL specific profiles/settings ===
Option "Capabilities" "0x00000000"
# === Video Overlay for the Xv extension ===
Option "VideoOverlay" "on"
# === OpenGL Overlay ===
# Note: When OpenGL Overlay is enabled, Video Overlay
# will be disabled automatically
Option "OpenGLOverlay" "off"
# === Center Mode (Laptops only) ===
Option "CenterMode" "off"
# === Pseudo Color Visuals (8-bit visuals) ===
Option "PseudoColorVisuals" "off"
# === QBS Management ===
Option "Stereo" "off"
Option "StereoSyncEnable" "1"
# === FSAA Management ===
Option "FSAAEnable" "no"
Option "FSAAScale" "1"
Option "FSAADisableGamma" "no"
Option "FSAACustomizeMSPos" "no"
Option "FSAAMSPosX0" "0.000000"
Option "FSAAMSPosY0" "0.000000"
Option "FSAAMSPosX1" "0.000000"
Option "FSAAMSPosY1" "0.000000"
Option "FSAAMSPosX2" "0.000000"
Option "FSAAMSPosY2" "0.000000"
Option "FSAAMSPosX3" "0.000000"
Option "FSAAMSPosY3" "0.000000"
Option "FSAAMSPosX4" "0.000000"
Option "FSAAMSPosY4" "0.000000"
Option "FSAAMSPosX5" "0.000000"
Option "FSAAMSPosY5" "0.000000"
# === Misc Options ===
Option "UseFastTLS" "0"
Option "BlockSignalsOnLock" "on"
Option "UseInternalAGPGART" "yes"
Option "ForceGenericCPU" "no"
BusID "PCI:1:0:0" # vendor=1002, device=4e48
Screen 0

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

# Any number of screen sections may be present. Each describes
# the configuration of a single screen. A single specific screen section
# may be specified from the X server command line with the "-screen"
# option.
Section "Screen"
Identifier "Screen0"
Device "ATI Graphics Adapter"
Monitor "Monitor0"
DefaultDepth 24
#Option "backingstore"

Subsection "Display"
Depth 24
Modes "1280x1024" "1600x1200" "1152x864" "1024x768" "800x600" "640x480"
ViewPort 0 0 # initial origin if mode is smaller than desktop
# Virtual 1280 1024

# **********************************************************************
# ServerLayout sections.
# **********************************************************************

# Any number of ServerLayout sections may be present. Each describes
# the way multiple screens are organised. A specific ServerLayout
# section may be specified from the X server command line with the
# "-layout" option. In the absence of this, the first section is used.
# When now ServerLayout section is present, the first Screen section
# is used alone.

Section "ServerLayout"

# The Identifier line must be present
Identifier "Server Layout"

# Each Screen line specifies a Screen section name, and optionally
# the relative position of other screens. The four names after
# primary screen name are the screens to the top, bottom, left and right
# of the primary screen.

Screen "Screen0"

# Each InputDevice line specifies an InputDevice section name and
# optionally some options to specify the way the device is to be
# used. Those options include "CorePointer", "CoreKeyboard" and
# "SendCoreEvents".

InputDevice "Mouse1" "CorePointer"
InputDevice "Keyboard1" "CoreKeyboard"


### EOF ###
Old 05-25-2004, 02:08 AM   #2
Senior Member
Registered: Nov 2002
Location: Silly Con Valley
Distribution: Red Hat 7.3, Red Hat 9.0
Posts: 2,054

Rep: Reputation: 46
well your screen section looks fine to me. don't know about the viewport 0 0 line in the Display subsection, though. i don't have that in my config file (but i'm also using nvidia). anyway, have you tried restarting X? ctrl-alt-backspace.
Old 05-25-2004, 02:36 AM   #3
LQ Newbie
Registered: Jan 2004
Distribution: RH 9
Posts: 9

Original Poster
Rep: Reputation: 0
restarting X

Yeah, I've actually been using this setup for about a week now, so the system has rebooted a bunch (thereby restarting X).

Maybe the question really is, can you even get a higher than "native" resolution out of the hardware of the monitor? Or am I stuck with 1024x1268?


Old 05-25-2004, 03:34 AM   #4
Registered: Nov 2003
Location: austria
Distribution: debian
Posts: 667

Rep: Reputation: 30
if your monitor can make more than 1024x1268 and the vgacard can do so also there should be no problem. look at the tech sheet that was supplied with your pc or search the net. there should be something like "maximum resolution" for your monitor. for your vga-card you'll have to look at the documentation for that driver. if the fglrx-driver is from XFree86 you may find it there.


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