I found it! OMG I found it! Praise the internet! Praise google!
Download the firmware for the sdhc for R4 at http://www.r4sdhc.com/soft/32-en.htm
I just tried it and it was gold!
Also I found to format 2gb and under at FAT and over 2gb at FAT32. IDK if that was correct or not, but that's...