password ftp for micro2440

hi,

what is the password ftp for micro2440 7" linux 2.6.32.2 nand 256MB ?

i want to connect to micro2440 but i don't have password.

the user is root but the password ?

this version of board has web server and ftp server.

thanks in advance.

i found :

the user is plg
and password is plg

connecting for windows 
ftp
open 192.168.1.230
user
plg
pass is plg