Just an FYI.... This works on my Civic with 98 folders and somewhere between 910-1000 files
Car= 07 EX Sedan With OEM Navi
-----Memory-----
SanDisk Extreme® III CompactFlash® 4GB
SDCFX3-004G-A31
SanDisk | Products | Photo & Video | Extreme III CompactFlash®
-----Adapter-----
SanDisk CompactFlash® PC Card Adapter
SDAD-38-A10
SanDisk | Products | Accessories | Card Adapters