You can check in Google you device model and network speed for it.
You can boot to android and check speed to your router (if it has 1GB ports)
And choose q200 for 1Gb or q201 for 100MB
It works with Q200 (although not the LCD screen, not a major loss). This link on Freaktab says Q200 & Q201 are both Gigabit so I'm not sure the difference.
Official list of Amlogic reference boards - FreakTab.com
Ok so I have the DTB and have opened it in Notepad++, it says gxm_s912m82_2g is this a new device? DTB attached, be good if we could get the LCD working, it's a Kingbox K3 made by leelbox, wifi and Bluetooth work with Q200, I've not tested the lan yet.