root@ubuntu:/usr/local/share/openocd/scripts# openocd -f interface/parport_dlc5.cfg -f board/azbox.cfg
Open On-Chip Debugger 0.4.0 (2011-03-13-12:05)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.berlios.de/doc/doxygen/bugs.html
parport port = 0x0
jtag_nsrst_delay: 100
jtag_ntrst_delay: 100
trst_and_srst separate srst_gates_jtag trst_push_pull srst_open_drain
Warn : smp8634.cpu: nonstandard IR mask
Warn : use 'smp8634.cpu' as target identifier, not '0'
Info : clock speed 500 kHz
Error: JTAG scan chain interrogation failed: all zeroes
Error: Check JTAG interface, timings, target power, etc.
Error: JTAG scan chain interrogation failed: all zeroes
Error: Check JTAG interface, timings, target power, etc.
Command handler execution failed
Warn : jtag initialization failed; try 'jtag init' again.

wath is probem???
please help me!!