Custom manuals for NAI "Latest Generation" motherboards are available for download by submitting a complete part number. For example, submitting 75G5-2-AD1DT2SC10FC00 will create a custom manual for a 75G5 Multifunction I/O board loaded with A/D, Discrete and Serial Communications modules. Once generated, you will receive the download link in an email.
Note that this option is not available for older generation products, however complete manuals for these motherboards are available from the applicable product page.