[Ken Maltby]

The process I mentioned should apply to all three, the JB and the JBL and the Libre Pro,
as I understand it the diagnostic screen and the flashing boot routine were provided by
the hardware manufacturer.

"mmread":

Data storage has to be organized in a specific way and follow exact rules for devices to
be able to store and retrive information off them. The use of a File Allocation Table (FAT)
based system was an early and relatively simple system, which is now in greater use,
because of USB attached devices and "Flash Memory" based storage devices.

Your Personal Computer's (PC's) Operating System (OS) should include utilities and/or
options to format local attached drives. With Windows it is easily accessed with a
right-click on a drive letter (C:, D:, ect...) in the Windows Explorer. When an external
drive is recognized by the OS it will be assigned a drive letter. When you plug in your
device with the USB cable, the OS should see the flash memory as an external drive.
The same applies to the flash memory of an SD card.

FAT16 is older and simpler than FAT32. FAT32 can address more and more complex
data and data structure. The simpler FAT16 is well suited to the small internal memory
built into these devices, so that is what they ship with. Most of the additional advantages
of the FAT32 format are not needed by the internal memory. For an SD card you normally
will need the FAT32 features, to deal with the size and complexity of your data structure.
The SD card or internal flash memory could care less and is happy operating with either,
but the SD card would be extremely handicapped trying to run under FAT16 for the storage
of very much data. Having both the SD card and the internal memory using the same file
system format is a good idea. So, both using FAT32, is working fine for me.

Luck;
Ken