Black 1 didn't have any slowdown, at least noticable. Black/White 2 had slowdown on the professor juniper speech, but I didn't notice any on the title screen or videos. I'll try out your file, give me a moment.
Also, would trimming the roms not help with that? I guess if it was reading it in real-time.
Untrimmed clean rom not helping.
Edit:
on the 32, fixed the saving on Black 1, White 2 still freezes after picking a gender. What did the change do?
Gave it another go with a second Micro SD, 8gb class 4, didn't save on black until after I changed that file, and after changing it I can set up a name in White 2. That main character has some crazy hair. White 2 saved too, at least once. Black 50/50 freezes on saving still, I've tried turning off in-game reset and DMA as well. Is there any recommended SD card to use? I don't know what the ideal would be.
Also, to clarify, if you launch it up and save it'll save just fine (usually). If you make some progress and then try to save then it crashes. A few times I've had it get like 3, or 5 dots and keep spinning endlessly but mostly it just freezes.
Here's a video of the problem, meantime I went to the best buy and bought another Micro SD, I'll try with and without the Extinfo and see.
OK, SD Card #3 suffers the same problem, with and without Extinfo.dat changed. I thought this might be a problem with the modified R4.dat at this point, After trying with the default kernel and loading ysmenu with the ysmenu.nds, no dice. The Stock r4isdhc.com firmware works with it fine, so all else fails I suppose I'll just have to use it for pokemon black.
Downgrading to the 7.03 pack worked once, but after putting the old save back on and trying 2 more times it didn't work either, must have been a fluke. Any ideas
@retrogamefan ?
I've attached my .sav, if anyone wants they can try it out.