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8.0 M300 Tools Reference
8.1 USBoot Overview
M300 uses a boot loader, called USBoot whose primary purpose is to load M300 image from the onboard
flash memory to RAM and execute the first instruction of the image. It also provides a way for users to
format and upgrade M300 device. The next two subsections will describe how to use these functionalities.
Developers can talk to the USBoot by setting up a serial communication. You can use any serial com-
munication program. We will use‘DNW’ software from Samsung that you can download freely from either
Samsung or E-SEEK’s website.
8.2 Upgrading M300
Step 2
Make following directories at a host computer and populate it with the below files
DNW directory:
DNW.exe
secbulk.sys
secbulk.inf
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Note
You will notice that some registry keys are wiped out after upgrading OS image. If those were
related to running an application, it won’t be executed at all.
Step 3
Turn OFF M300
Step 4
Run DNW Application
Set the baud rate to 5200 and an appropriate COM port for Cable RS232 (CN3000) from the
configuration menu.
Figure 8-1 Run DNW Application
M300 Tools Reference
Step 1
What you need?
PC
Cable M300 USB (CN8000)
Cable RS232 (CN3000)
DNW Software and drivers , FTP Downloadable
Latest OS Image .bin file NK_x_xx_xx.bin ,FTP Downloadable
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BIN directory:
NK_x_xx_xx.bin
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To view this FTP site in Windows Explorer go to: ftp://7.28.2.93/
Call us for user ID and Password.
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