infinity team please help me

i have onda v719 3gs which i find dificult to know the cpu type

here is adb info:

Brand : Android
Model : V719 3G s
Manufacturer : Rockchip
Hardware : sofiaboard
Board : V719 3G s
CPU Architecture : x86
Platform : sofia3gr
Serial No. : 0123456789012345678901234567890
Baseband : unknown
SW Version : Sofia3GR_V719 3G s.20150813
Custom Version :
Build no.(incremental) : eng.liaobz.20150813.203250
Android Version : 5.1.1
IMEI2 : Unknown!
Built Date : Thu Aug 13 20:37:26 HKT 2015
Local Language : zh
Local Region : CN
Boot Mode : normal
LCD Density : 160

i tried all modules but wont conect..i have driver problem and it seems all(mtk,spd,rda,rtk) your drivers in support does not support this tablet.
please can some one help me with its details and drivers please!!…..

tanks in advance