More or less a random sample. 1+ were selected because they had dead batteries from the eBay lot which could influence them towards being slightly older
0
AZ original
SMSC 1C 1C 1C5737 18A -1P39
1
SMSC 1C 1C 1C5737 18A -1P39
2
Marking SMSC 2C 2C 2C5737 18A -1P89 Non-optical mask ROM like on gray
3
SMSC 1C 1C 1C5737 18A -1P39
4
SMSC 2C 2C 2C5737 18A -1P89
5
SMSC 1C 1C 1C5737 18A -1P95
Serials:
Serials: