BEK motherboard information
This is what I have collected so far, it is by no means complete. I do not own a BEK product nor do I know anything specific about these motherboards. This is all the information I have got.
BEK-3739 pdf
BEK-3779 pdf
BEK-P405 pdf
BEK-P407 pdf
BEK-5723 pdf
BEK-5731 pdf