I installed 56c and CIOSX rev19. The problem still exists. Under Windows it is recognized as a single FAT32 partition. However, fdisk returns
Disk /dev/sdb: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier...