I have a problem device ez100pu

hi
I have
Smart Card Reader Model Number: 172844
I have Device 45
The definition of a successful 4
But the problem is not less than 4
System: upuntu 12.04
I need the definition of 40 device on Ubuntu
Is there a solution
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Result in Ubuntu
Now been connected to 5
lsusb
Bus 002 Device 006: ID 0ca6:0010 Castles Technology Co., Ltd EZUSB PC/SC Smart C ard Reader
Bus 002 Device 017: ID 0ca6:0010 Castles Technology Co., Ltd EZUSB PC/SC Smart C ard Reader
Bus 002 Device 016: ID 0ca6:0010 Castles Technology Co., Ltd EZUSB PC/SC Smart C ard Reader
Bus 002 Device 015: ID 0ca6:0010 Castles Technology Co., Ltd EZUSB PC/SC Smart C
Bus 002 Device 022: ID 0ca6:0010 Castles Technology Co., Ltd EZUSB PC/SC Smart C
But the acceptance of 4
pcsc_scan
root@mhmd15-Satellite-C655:~# pcsc_scan
PC/SC device scanner
V 1.4.21 (c) 2001-2011, Ludovic Rousseau <ludovic.rousseau@free.fr>
Compiled with PC/SC lite version: 1.8.6
Using reader plug'n play mechanism
Scanning present readers...
0: CASTLES EZ100PU 00 00
1: CASTLES EZ100PU 01 00
2: CASTLES EZ100PU 02 00
3: CASTLES EZ100PU 03 00
What is the solution