```
[phung@archlinux DDR]$ xc3sprog -c ftdi
XC3SPROG (c) 2004-2011 xc3sprog project $Rev: 795 $ OS: Linux
Free software: If you contribute nothing, expect nothing!
Feedback on success/failure/enhancement requests:
	http://sourceforge.net/mail/?group_id=170565 
Check Sourceforge for updates:
	http://sourceforge.net/projects/xc3sprog/develop

Using Libftdi, 
Cannot find device having IDCODE=0000003 Revision A
JTAG loc.:   0  IDCODE: 0x00000003  not found in 'built-in device list'.
[phung@archlinux DDR]$ xc3sprog -c ftdi
XC3SPROG (c) 2004-2011 xc3sprog project $Rev: 795 $ OS: Linux
Free software: If you contribute nothing, expect nothing!
Feedback on success/failure/enhancement requests:
	http://sourceforge.net/mail/?group_id=170565 
Check Sourceforge for updates:
	http://sourceforge.net/projects/xc3sprog/develop

Using Libftdi, 
Cannot find device having IDCODE=0000003 Revision A
JTAG loc.:   0  IDCODE: 0x00000003  not found in 'built-in device list'.
[phung@archlinux DDR]$ 
```