Positive followup for what it’s worth regarding Logomatic V2 problem. After checking/reloading all with Flash Magic. all seemed good, narrowed things to microSD card format.
Botton line: …Don’t trust XP’s Disk Manager to sort your FAT out! (You all probably knew that anyway:-) )
Dug out my GParted Live CD. …Jobs a good one.
…Onwards and Sideways!!
John