Nokia-N900:~# sfdisk -l

Disk /dev/mmcblk0: 243200 cylinders, 4 heads, 16 sectors/track
Warning: The partition table looks like it was made
  for C/H/S=*/246/62 (instead of 243200/4/16).
For this listing I'll assume that geometry.
Units = cylinders of 7809024 bytes, blocks of 1024 bytes, counting from 0

   Device Boot Start     End   #cyls    #blocks   Id  System
/dev/mmcblk0p1          0+    275     276-   2104745    c  W95 FAT32 (LBA)
/dev/mmcblk0p2        276     964     689    5254314   83  Linux
/dev/mmcblk0p3        965    1019      55     419430   82  Linux swap / Solaris
/dev/mmcblk0p4          0       -       0          0    0  Empty

Disk /dev/mmcblk1: 977024 cylinders, 4 heads, 16 sectors/track
Units = cylinders of 32768 bytes, blocks of 1024 bytes, counting from 0

   Device Boot Start     End   #cyls    #blocks   Id  System
/dev/mmcblk1p1          1  884864  884864   28315648    c  W95 FAT32 (LBA)
/dev/mmcblk1p2     884865  950400   65536    2097152   83  Linux
/dev/mmcblk1p3     950401  974976   24576     786432   82  Linux swap / Solaris
/dev/mmcblk1p4          0       -       0          0    0  Empty