hi to everyone,
today i test BT4 RC 2 on my netbook Samsung N145 Plus,
model: NP-N145-JP02DE / Samsung N145 Plus JP02 - Cpu: Atom N450 / 1.66 GHz - RAM 1 GB - HDD 160 GB - GMA 3150 - WLAN : 802.11b/g/n 10.1" display: TFT 1024 x 600 ( WSVGA )

Only one issues:

Display: by default
Code:
startx
return no screens found, after
Code:
fixvesa
i can get only 800x600 or 600x480 by default configuration, Set Brightness supported: no