Pogoplug PRO Bootloader no start with flash disk (3 replies)

Hi

I`m install debian in Pogoplug Pro from this instruction http://blog.qnology.com/2015/04/hacking-pogoplug-v3oxnas-proclassic.html?showComment=1464198116974#c7190902143829429000 .
- I untar debian package in flash disk on pogoplug device and restart.
- Pogoplug don`t boot, don`t see flash drive ....
- I connect serial cable and see this :

U-Boot SPL 2013.10-tld-4 (Sep 07 2014 - 14:10:12)
  Boot device: NAND
Attempting to set PLLA to 850 MHz ...
  plla_ctrl0 : 0000020a
  plla_ctrl1 : 00330000
  plla_ctrl2 : 0065008b
  plla_ctrl3 : 000000f1

PLLA Set

Please help to fix this problem.