Help to identify "chip"

I've found this little board, similar to a processor board: the chip with heathsink can be the microprocessor and the other cache ... but I'm not sure I've search information, with the codes in the label, but no answer. Can someone help me ? These are the pictures (big, 500K each) Front http://www.retrocomputing.net/parts/varie/chippone/modulo_sconosciuto_dr itto.gif and rear http://www.retrocomputing.net/parts/varie/chippone/modulo_sconosciuto_di etro.gif ------------------------------------------------------ Alberto Rubinelli Mail : alberto at a2sistemi.it A2 SISTEMI Web : www.a2sistemi.it Via Costantino Perazzi 22 Tel 0321 640149 28100 NOVARA (NO) - ITALY Fax 0321 391769 Skype : albertorubinelli Mobile +39 335 6026632 MUSEO DEL COMPUTER / COMPUTER MUSEUM http://www.oldcomputers.it Mail:info at oldcomputers.it Tel 0321 1856032 Fax 0321 2046034 ------------------------------------------------------