ciao a tutti,
ho una Mandriva Linux release 2008.1 (Official) ed una scheda video Radeon rv250 con i driver ATI, ad ogni riavvio del pc la risoluzione del monitor è settata a 1400x1050... come posso fare per rendere permanente la classica 1024x768?

nel xorg.conf 1400x1050 non compare nemmeno!? Randr ha un suo file di configurazione?

ecco il mio xorg.conf:

# cat /etc/X11/xorg.conf
# File generated by XFdrake (rev 234840)

Section "Extensions"
Option "Composite"
EndSection
# ************************************************** ********************
# Refer to the xorg.conf man page for details about the format of
# this file.
# ************************************************** ********************

Section "ServerFlags"
#DontZap # disable <Ctrl><Alt><BS> (server abort)
#DontZoom # disable <Ctrl><Alt><KP_+>/<KP_-> (resolution switching)
AllowMouseOpenFail # allows the server to start up even if the mouse does not work
EndSection

Section "Module"
Load "dbe" # Double-Buffering Extension
Load "v4l" # Video for Linux
Load "extmod"
Load "type1"
Load "freetype"
Load "glx" # 3D layer
Load "dri" # direct rendering
EndSection

Section "InputDevice"
Identifier "Keyboard1"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "it"
Option "XkbOptions" "compose:rwin"
EndSection

Section "InputDevice"
Identifier "Mouse1"
Driver "mouse"
Option "Protocol" "ExplorerPS/2"
Option "Device" "/dev/mouse"
EndSection

Section "Monitor"
Identifier "monitor1"
VendorName "Generic"
ModelName "Flat Panel 1024x768"
HorizSync 31.5-55
VertRefresh 40-70

# TV fullscreen mode or DVD fullscreen output.
# 768x576 @ 79 Hz, 50 kHz hsync
ModeLine "768x576" 50.00 768 832 846 1000 576 590 595 630

# 768x576 @ 100 Hz, 61.6 kHz hsync
ModeLine "768x576" 63.07 768 800 960 1024 576 578 590 616
EndSection

Section "Device"
Identifier "device1"
VendorName "ATI Technologies Inc"
BoardName "ATI Radeon 9250 and earlier"
Driver "ati"
Option "DPMS"
Option "AGPMode" "4"
Option "XaaNoOffscreenPixmaps" "1"
BusID "PCI:1:0:0"
EndSection

Section "Screen"
Identifier "screen1"
Device "device1"
Monitor "monitor1"
DefaultColorDepth 16

Subsection "Display"
Depth 8
Modes "1024x768" "832x624" "800x600" "640x480" "480x360" "320x240"
EndSubsection

Subsection "Display"
Depth 15
Modes "1024x768" "832x624" "800x600" "640x480" "480x360" "320x240"
EndSubsection

Subsection "Display"
Depth 16
Modes "1024x768" "832x624" "800x600" "640x480" "480x360" "320x240"
EndSubsection

Subsection "Display"
Depth 24
Modes "1024x768" "832x624" "800x600" "640x480" "480x360" "320x240"
EndSubsection
EndSection

Section "ServerLayout"
Identifier "layout1"
InputDevice "Keyboard1" "CoreKeyboard"
InputDevice "Mouse1" "CorePointer"
Screen "screen1"
EndSection