* Seablood
The code fragments seem to be related to data transfers - whether or not they are using the PDS hardware, or other similar hardware isn't confirmed.
== Pictures ==
<gallery>
File:Manuel Montoto PDS placa Amstrad.jpg|Amstrad (component)
File:Manuel Montoto PDS placa MSX.jpg|MSX (component)
File:Jose Leandro PDS placa Spectrum-A.jpg|Spectrum (component)
File:Jose Leandro PDS placa Spectrum-B.jpg|Sprectum (solder)
File:Jose Leandro PDS placa PC-A.jpg|PC (component)
File:Jose Leandro PDS placa PC-B.jpg|PC (solder)
File:Jose Leandro PDS el cable.jpg|Plug.A.Pin1-16 are Plug.B.Pin16-1 (reversed)
File:Jose Leandro PDS programa tecla-f1.jpg|PC (software)
File:Jose Leandro PDS Schematic spectrum.png|Schematic (Spectrum)
File:Jose Leandro PDS Schematic PC.png|Schematic (PC)
</gallery>
Note that the photos seem to be showing a spanish remake, not the origial hardware (as indicated by the "P DE FRANCISCO" text on the solder side).
== Info from Andy Glaister ==