To configure your Dm800 to boot from a USB stick, all that is required:
- A USB stick that is supported by your DB.
- A telnet connection to access your DB.
- The image.nfi you want to install.
- Nfidump to extract your desired image & kernel.
If you don't have a Linux PC available, setting up the USB stick on your DB will probably be easier than attempting to do it on a M$ or Apple PC. Unfortunately, during the process of writing this guide, I noticed that my DB's image has no ability to create a vfat (Windows) filesystem. As this is required to boot from USB, a PC that is able to create a vfat filesystem may also be required.
This basic procedure will most likely also work on other similar models, such as the 800se, 7020hd, 8000, etc...
Note: This form of manual USB booting sounds quite similar to what DUMBO (the DUMbBOot loader) is supposed to do. Personally, I was never able to get DUMBO to work on my box. Unlike DUMBO though, this method allows you to install multiple images on the same USB stick, although requiring one to enter the BIOS to select different images to boot. More info on multiple image setup in the Final Thoughts section.
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