try this :
[il2]
title=Il2-Sturmovik Forgotten Battles
hotkeys=HotKey game
[window]
width=1920
height=1200
ColourBits=32
DepthBits=24
StencilBits=8
ChangeScreenRes=1
FullScreen=1
DrawIfNotFocused=0
EnableResize=0
EnableClose=1
SaveAspect=0
Use3Renders=0
[GLPROVIDER]
GL=Opengl32.dll
[GLPROVIDERS]
Open GL=Opengl32.dll
DirectX=dx8wrap.dll
[NET]
speed=25000
routeChannels=0
serverChannels=23
localPort=21000
remotePort=21000
SkinDownload=1
serverName=332nd Practice
serverDescription=
remoteHost=
localHost=
socksHost=
checkServerTimeSpeed=1
checkClientTimeSpeed=1
checkTimeSpeedDifferense=1.5
checkTimeSpeedInterval=2
checkRuntime=1
[MaxLag]
farMaxLagTime=7.0
nearMaxLagTime=2.0
cheaterWarningDelay=3.0
cheaterWarningNum=4
[chat]
region=(dx=0.76875,dy=0.085,x=-0.0025,y=0.0)
adr0=ALL
msg5=sorry\u0020guys\u0020had\u0020to\u0020run\u0020upstairs\u00204\u0020trak\u0020hat..
msg6=
msg1=RTB
msg4=
msg8=00GT..\u0020or\u00208800\u0020gt
autoLogDetail=0
msg0=~!S!~
msg2=W\u0020hi\u00205
msg9=-5
adr1=MY_ARMY
msg7=
msg3=BANDITS!!
[game]
Arcade=0
HighGore=1
mapPadX=0.645625
mapPadY=0.38416666
viewSet=32
Intro=0
NoSubTitles=1
NoChatter=0
NoHudLog=0
NoLensFlare=1
iconTypes=2
eventlog=eventlog.lst
eventlogkeep=1
SubTitlesLines=4
ClearCache=1
TypeClouds=1
3dgunners=0
[HotKey game]
PrintScreen=ScreenShot
P=pause
Pause=pause
[HotKey gui]
Escape=activate
[HookViewFly Config]
timeFirstStep=2.0
deltaZ=10.0
[HookView]
MouseLeft=Len
[HookView Config]
AzimutSpeed=0.1
TangageSpeed=0.1
LenSpeed=1.0
MinLen=.50
DefaultLen=20.0
MaxLen=30000.0
Speed=6
[HotKey builder]
MouseLeft=objectMove
MouseRight=popupmenu
Enter=freeView
Shift MouseLeft=worldZoom
Alt MouseLeft=select+
Alt MouseRight=select-
Alt Ctrl=unselect
PageDown=change+
PageUp=change-
End=change++
Home=change--
Ctrl MouseLeft=insert+
Insert=insert+
NumPad-0=insert+
F=fill
Ctrl MouseRight=delete+
NumPad.=delete+
Delete=delete+
Backspace=cursor
Tab=cursor
F10=land
F11=onLand
NumPad-=normalLand
NumPad+=toLand
NumPad-5=resetAngles
NumPad-8=resetTangage90
NumPad-7=stepAzimut-5
NumPad-4=stepAzimut-15
NumPad-1=stepAzimut-30
NumPad-9=stepAzimut5
NumPad-6=stepAzimut15
NumPad-3=stepAzimut30
[MouseXYZ]
F1=SpeedSlow
F2=SpeedNormal
F3=SpeedFast
MouseRight=XYmove
F4 MouseRight=Zmove
MouseMiddle=Amove
F5 MouseRight=Amove
F6 MouseRight=Tmove
F7 MouseRight=Kmove
[MouseXYZ Config]
RealTime=1
[HotKey Console]
Shift Tab=Activate
[Console]
HISTORY=1024
HISTORYCMD=1024
LOAD=console.cmd
SAVE=console.cmd
LOG=1
LOGTIME=1
LOGFILE=logfile.log
LOGKEEP=1
[sound]
SoundUse=1
SoundEngine=1
Speakers=4
Placement=3
SoundFlags.reversestereo=0
RadioFlags.Enabled=0
RadioEngine=2
MusicVolume=8
ObjectVolume=14
MusState.takeoff=1
MusState.inflight=1
MusState.crash=1
MusFlags.play=0
MasterVolume=13
Attenuation=5
SoundMode=2
SamplingRate=1
NumChannels=2
SoundExt.occlusions=0
SoundFlags.hardware=1
SoundFlags.streams=1
SoundFlags.duplex=1
SoundExt.acoustics=0
SoundExt.volumefx=0
SoundFlags.voicemgr=0
SoundFlags.static=1
VoiceVolume=7
Channels=2
SoundExt.extrender=0
SoundFlags.bugscorrect=0
SoundSetupId=8
ActivationLevel=0.02
Preemphasis=0.85
RadioLatency=0.5
AGC=1
PTTMode=1
SoundFlags.UseRadioChatter=1
SoundFlags.AutoActivation=0
RadioFlags.PTTMode=1
RadioFlags.PlayClicks=0
ActLevel=0
MicLevel=5
SoundFlags.forceEAX1=0
[rts]
ProcessAffinityMask=1
mouseUse=2
joyUse=1
trackIRUse=1
DisableIME=0
locale=
[rts_mouse]
SensitivityX=1.0
SensitivityY=1.0
Invert=0
SensitivityZ=1.0
[rts_joystick]
X=0 1 4 9 16 25 36 49 64 81 100 0
Y=0 1 4 9 16 25 36 49 64 81 100 0
Z=0 10 20 30 40 50 60 70 80 90 0 100
RZ=0 10 20 30 40 50 60 70 80 90 100 0
FF=0
U=0 10 20 30 40 50 60 70 80 90 100 0
V=0 10 20 30 40 50 60 70 80 90 100 0
1X=0 0 10 20 33 42 54 65 76 88 100 0
1Y=0 1 5 7 12 17 30 45 60 78 100 0
1RZ=2 100 100 100 100 100 100 100 100 100 100 10
1U=0 100 100 100 100 100 100 100 100 100 100 0
1V=0 100 100 100 100 100 100 100 100 100 100 0
1X1=0 100 100 100 100 100 100 100 100 100 100 0
1Y1=0 100 100 100 100 100 100 100 100 100 100 0
1Z1=0 100 100 100 100 100 100 100 100 100 100 0
1X2=0 71 54 37 26 21 34 53 73 91 100 76
1Y2=0 0 4 9 16 25 36 49 63 80 99 0
1RX2=0 100 100 100 100 100 100 100 100 100 100 0
1RZ2=0 100 100 100 100 100 100 100 100 100 100 0
1U2=0 100 100 100 100 100 100 100 100 100 100 0
1V2=0 100 100 100 100 100 100 100 100 100 100 0
1RZ1=5 100 100 100 100 100 100 100 100 100 100 17
1X3=0 100 100 100 100 100 100 100 100 100 100 0
1Y3=0 100 100 100 100 100 100 100 100 100 100 0
1RZ3=0 100 100 100 100 100 100 100 100 100 100 0
1U3=0 100 100 100 100 100 100 100 100 100 100 0
1V3=0 100 100 100 100 100 100 100 100 100 100 0
[Render_DirectX]
TexQual=3
TexMipFilter=2
TexCompress=0
TexFlags.UseDither=1
TexFlags.UseAlpha=0
TexFlags.UseIndex=0
TexFlags.PolygonStipple=1
TexFlags.UseClampedSprites=0
TexFlags.DrawLandByTriangles=1
TexFlags.UseVertexArrays=1
TexFlags.DisableAPIExtensions=0
TexFlags.ARBMultitextureExt=1
TexFlags.TexEnvCombineExt=1
TexFlags.SecondaryColorExt=1
TexFlags.VertexArrayExt=1
TexFlags.ClipHintExt=0
TexFlags.UsePaletteExt=0
TexFlags.TexAnisotropicExt=0
TexFlags.TexCompressARBExt=1
TexFlags.TexEnvCombine4NV=0
TexFlags.TexEnvCombineDot3=0
TexFlags.DepthClampNV=0
TexFlags.SeparateSpecular=0
TexFlags.TextureShaderNV=0
HardwareShaders=0
Shadows=2
Specular=2
SpecularLight=2
DiffuseLight=2
DynamicalLights=1
MeshDetail=2
VisibilityDistance=3
Sky=2
Forest=2
LandShading=3
LandDetails=2
LandGeom=2
TexLarge=1
TexLandQual=3
TexLandLarge=1
VideoSetupId=4
ForceShaders1x=0
PolygonOffsetFactor=-0.15
PolygonOffsetUnits=-3.0
[Render_OpenGL]
TexQual=3
TexMipFilter=3
TexCompress=0
TexFlags.UseDither=1
TexFlags.UseAlpha=0
TexFlags.UseIndex=0
TexFlags.PolygonStipple=1
TexFlags.UseClampedSprites=0
TexFlags.DrawLandByTriangles=1
TexFlags.UseVertexArrays=1
TexFlags.DisableAPIExtensions=0
TexFlags.ARBMultitextureExt=1
TexFlags.TexEnvCombineExt=1
TexFlags.SecondaryColorExt=1
TexFlags.VertexArrayExt=1
TexFlags.ClipHintExt=0
TexFlags.UsePaletteExt=0
TexFlags.TexAnisotropicExt=1
TexFlags.TexCompressARBExt=0
TexFlags.TexEnvCombine4NV=1
TexFlags.TexEnvCombineDot3=1
TexFlags.DepthClampNV=1
TexFlags.SeparateSpecular=1
TexFlags.TextureShaderNV=1
HardwareShaders=1
Shadows=2
Specular=2
SpecularLight=2
DiffuseLight=2
DynamicalLights=1
MeshDetail=2
VisibilityDistance=3
Sky=2
Forest=3
LandShading=3
LandDetails=2
LandGeom=2
TexLarge=1
TexLandQual=3
TexLandLarge=1
VideoSetupId=17
Water=3
Effects=1
ForceShaders1x=0
TypeClouds=1
PolygonOffsetFactor=-0.15
PolygonOffsetUnits=-3.0
[DGen]
NoBadWeather=1
MissionDistance=30
NoAirfieldHighlight=1
RandomFlights=1
GroundIntensity=Low
Maxbomberskill=1
CampaignLength=Medium
CampaignVictory=100
SlowFire=30.0
NV control panel settings:
AF-App controlled
AA Gama-On
AA-4x
AA transparency-Multi
CT clamp-OGL
ER-off
Ext Lim-off
Force mip-none
Multi GPU-Force Split
Mult display-single display
Stereo-use vert int
text filt aniso mip-off
text filr aniso sample-off
text filt neg LOD-clamp
text filter-Quality
text filter tri-off
threaded opt-on
3x buffering-on
Vsynch-off
46 setup: