88 Chip (update version of 48 chip)
This type chip can not be identified by other device in the market,it was named by TJECU.And if you use other device or old CN900 to identify it,you will get the "48 chip"
7A chip (7961M)
Difference between YS31,CN5 and YS41:
CN5 include:YS31 and YS41,THEY HAVE SAME FUNCTION
How to Generate 64 chip?
You can use CN5 chip to generate 64 chip
http://www.uobdii.com/wholesale/mini-cn900-key-programmer.html
