adfree, many thanks for your solution. r760 solved ^_^
Code:
Microsoft Windows [Version 6.1.7600]
(c) Корпорация Майкрософт (Microsoft Corp.), 2009. Все права защищены.
C:\Users\JTAG>cd c:\sdb
c:\sdb>sdb connect 192.168.0.122:26101
192.168.0.122:26101 is already connected
c:\sdb>sdb push empty.bin /home/owner/media/Others/
pushed empty.bin 100% 256KB
1 file(s) pushed. 0 file(s) skipped.
empty.bin 335 KB/s (262144 bytes in 0.763s)
c:\sdb>sdb root on
Switched to 'root' account mode
c:\sdb>sdb shell
sh-3.2# dd if=/home/owner/media/Others/empty.bin of=/dev/mmcblk0p15
512+0 records in
512+0 records out
262144 bytes (262 kB) copied, 0.0520023 s, 5.0 MB/s
sh-3.2# reboot download
Rebooting with argument 'download'.