Specialized Concentrated Focused
Maintenance
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4.1.2 Mirror Upgrade
When the system is damaged and can not be booted, mirror update is required. The steps are as
follows:
1) Insert the USB flash disk with the system mirror image file
NK200_NK_RX.X.X.nb0
and
.weihong
format software into NK200.
2) After power-on and system start-up, keep pressing M until the system enters Eboot interface. For
the introduction to Eboot interface, see
3) Press T to start mirror update. The whole process lasts about 3 minutes.
4) After the mirror update is completed, reboot the system. It will enter the software update interface
automatically.
5) In this screen, press F6 to start software upgrade. Repeat the steps of software update.
6) Software installed, the whole process ends.
CAUTION
1)
Mirror update and software upgrade should be done simultaneously. Except mirror image file
NK200_NK_RX.X.X.nb0, NK200_******.weihong
format file also should be saved in the USB root directory
or in the NK200 file folder.
2)
In software update and installation, the software saved in the USB root directory or in the NK200 file folder
must be in the format of
NK200_******.weihong,
or the system can’t recognize it.
The precondition of the two points above: mirror image version should be above R4.0.3 (Boot version V1.1.6). if
mirror image version is under V3.9(Boot version V1.0), instead of
NK200_******.weihong
format file,
nk.nb0
mirror image file and five file folders including “CHN”, “Config”, “ENG”, “Font”, and “NewNK200” should be
saved in the USB root directory.
4.1.3 System Eboot
Power on NK200 while pressing M key several times until entering system Eboot interface as shown in
Fig. 4-4, which includes 8 kinds of update.
