2mb is a little slim for X, but let's give it a try
Ok, in the Screens section of your XF86Config file, please post up what you've got, the entire section please. Basically, you want something that looks like this:
Code:
# 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 "Screen 1"
Device "NVidia GeForce 4 MMX-SE/TV"
# Device "ATI Rage Fury Pro"
Monitor "Hansol 910A"
# Option "TVStandard" "NTSC-M"
DefaultDepth 24
Subsection "Display"
Depth 24
Modes "1024x768" "800x600" "1280x1024"
ViewPort 0 0
EndSubsection
WHere "modes" has your desired res listed first.
Cool