when I'm doing the 1st step to partation the SD card, I've got the error as below. I'm using SSH connected to my N900 via Mac OSX's Terminal.... Checking that no-one is using this disk right now ... OK Disk /dev/mmcblk1: 31000 cylinders, 4 heads, 16 sectors/track Old situation: Warning: The partition table looks like it was made for C/H/S=*/5/4 (instead of 31000/4/16). For this listing I'll assume that geometry. Units = mebibytes of 1048576 bytes, blocks of 1024 bytes, counting from 0 Device Boot Start End MiB #blocks Id System /dev/mmcblk1p1 4+ 968- 965- 987890+ 6 FAT16 start: (c,h,s) expected (410,4,4) found (4,2,30) end: (c,h,s) expected (1023,4,4) found (984,4,4) /dev/mmcblk1p2 0 - 0 0 0 Empty /dev/mmcblk1p3 0 - 0 0 0 Empty /dev/mmcblk1p4 0 - 0 0 0 Empty trailing junk after number sfdisk: bad input