Thanks, Neil. A prompt reply as usual! I do realise that the S4 is long in the tooth, but it happens to still work very well for most of my needs. I was just hoping that the config library was somehow alterable, but understand that the S4 cannot be supported actively. It's a huge plus that Dataman s...

The TMS2532 and 2564 were able to be programmed on the S3. But they do not appear in the S4 8-bit EPROM library. I can only program these devices on an S4 if I make up an adapter to swap some pins, making them look like a 2732A. Since these parts are starting to fail in service and need replacing, h...