PC Floppy disk conversion

[spaceman88]

I found a JU-257-203P and tried to use it in my A4000. I found a thread on EAB about modifying a JU-257A606P but can't find anything on my particular drive. I changed the RY/DC to RY and "1" to "0". If I put WB 3.1 in the drive and turn the computer on it will boot no problem, but if I remove the disk and replace it with something else the WB 3.1 icon remains on the screen (not detecting disk swaps). Will the jumper from DC to pin 2 fix this problem? This looks MUCH harder on my drive then on 606P drive. Has anyone modified the 203P drive?

[spaceman88]

Do new disk icons appear on the Workbench screen and allow you to open them?

No, whatever disk that is in the drive when I start the computer works perfectly. When I swap disks the old icon remains and the new disk is not seen. I just took apart my brothers old 486 PC and found a Chinon FB-357 and a JU-257-134P both of these work exactly like the first one. Maybe all PC drives will work this way until the proper mod is done. The 357 is easy to work on but I can't find the RY/DC etc. marked. I don't know how to get the JU-257's apart without destroying very fine ribbon connectors.

[spaceman88]

Hi Guys,
Thanks for the help. I manged to get the 203P drive working (it helped when I figured out pin 1 was not pin 2 !!!). I'll play around with the other drives later. BTW it only takes about 30 seconds to take apart a drive now, a lot faster than the first one :-).