Realtek LAN Chip
Links
Click here 
LAN Chip :
RTL8019AS-LF 10M
RTL8201CP-VD-LF 10/100M PHY
RTL8100CL-LF 10/100M
RTL8111C-VC-GR 10/100/1000M
RTL8139DL-LF 10/100M
RTL8211DN-GR 10/100/1000M
Switch:
RTL8305SC-LF 5 Port
RTL8309SC-LF 8 Port
