2 http://www.8052.com/ -- http://www.8052.com/tcpip/
3 http://www.cornelius-consult.de/int/intethernet-embedded.html
4 http://web51.hw-server.com/descript.html
5 http://www.circuitcellar.com/library/print/0902/brady/
8 http://members.iinet.net.au/~vanluynm/#Downloads
10 Inicializacion de rtl8019as:
11 http://www.circuitcellar.com/library/ccofeature/eady0801/c0801fe5.htm
13 ethernet + microcontroladores:
14 http://www.beyondlogic.org/etherip/ip.htm
16 pic + rtl8019as + ISA:
17 http://elserver.forknet-ar.org/harpo/uch/seminario/
20 http://www.techfest.com/hardware/bus/isa.htm
21 http://www.interfacebus.com/Design_Connector_PCAT.html
24 http://www.sics.se/~adam/uip/
27 http://www.netfor2.com/checksum.html
28 http://www.erg.abdn.ac.uk/users/gorry/course/inet-pages/ip-cksum.html
30 DP83907 AT/LANTIC(TM)II:
31 http://www.national.com/pf/DP/DP83907.html