This the contents of the .uaerc (uae config file) that is placed in the same folder as the uae program.
This post is also made directly from the Amiga using Sgrab to take some screenshots and uploading them directly using the flatpress uploader.
here is my .uaerc :
; CPU and Chipset
cpu_type=68020
cpu_compatible=false
cpu_cycle_exact=false
cpu_speed=max
chipset=aga
cpu_24bit_addressing=true
joyport0=mouse
joyport1=joy1
; Memory
chipmem_size=4
fastmem_size=8
bogomem_size=0
;z3mem_size=128
; Display
gfx_width=640
gfx_height=512
gfx_lores=false
gfx_linemode=none
gfx_center_horizontal=smart
gfx_center_vertical=smart
gfx_correct_aspect=no
gfx_fullscreen_amiga=false
gfx_fullscreen_picasso=false
gfx_framerate=1
kickstart_rom_file=devs:kickstarts/kick40068.A1200
; Sound
sound_output=exact
sound_channels=stereo
sound_bits=8
sound_frequency=22500
sound_latency=100
; Floppy Drives
floppy0=
floppy1=
floppy2=
floppy3=
; Filesystem2 Drives - These are AGS2.7 Drive Clones
; they are subfolders in the UAE program folder in this case
; they contain all the files copied from AGS2.7AGA image
filesystem2=rw,DH0:Workbench:Workbench,0
filesystem2=rw,DH1:Work:Work,0
; Miscellaneous
use_gui=false
show_leds=false

