Made to order adapter cables, 40-pin or 34-pin Male IDC socket, to Gotek or clone FDD with 34-pin Male connector and separate 4-pin Male power connector.
40-pin
£17 + postage at cost
34-pin
£15.50 + postage at cost
The above prices represent the low volume parts cost, plus a minimal fee for time and effort.
Limit of one adapter cable of each type per order/member.
Suit all known PS/2 Model ribbon cable interfaces except DBA riser FDDs (Models 50, 50z, 55SX and 70) attachments, which are catered for by the Github project:
https://github.com/schlae/PS2FloppyAdapter
Apparently a company called Texelec is supplying pre-made ones, now.
Disclaimer: I disclaim any copyright for these, as I've publicly published the details online in a couple of places, such as the comp.sys.ibm.ps2.hardware NewsGroup and our related Facebook Group, so you are free to copy or adapt the designs to your needs, using them as templates.
Caveat: No commercial seller may charge excessively for any derivative product, nor without public acknowledgement of the freely obtained information, from the detailed connectivity donated to the community at large as a public service.
At present (20th July 2020 10:15) I only have supplies to make up 5 of each Male connector socket Type. After that, lead times may become unacceptably long, due to resupply delivery times and prior project work demands.