> - How does the OS find the size of the new device when the device is
IOCTL_DISK_GET_LENGTH_INFO on XP and later
IOCTL_DISK_GET_PARTITION_INFO on all Windows
Floppy has a "media descriptor" byte in the first sector, which encoded its
Depends on your cluster size. The FAT must be large enough to describe all
clusters, and note that the FAT is the integral number of sectors.
Maxim Shatskih, Windows DDK MVP