Insert 100M ZipDisk into Zip-250 drive. On mount followed by umount, the
following messages appear:

kernel: hdb: 98304kB, 196608 blocks, 512 sector size 
kernel: hdb: 244736kB, 239/64/32 CHS, 4096 kBps, 512 sector size, 2941 rpm 
kernel: hdb: The drive reports both 250609664 and 100663296 bytes as its capacity 
kernel:  hdb: hdb4 
kernel: hdb: 98304kB, 96/64/32 CHS, 4096 kBps, 512 sector size, 2941 rpm 
kernel:  hdb: hdb4 
kernel:  hdb: hdb4 

Replace with 250M ZipDisk. On mount followed by umount, the following
messages appear:

kernel: hdb: 244766kB, 489532 blocks, 512 sector size 
kernel: hdb: 244736kB, 239/64/32 CHS, 4096 kBps, 512 sector size, 2941 rpm 
kernel: hdb: The drive reports both 250609664 and 250640384 bytes as its capacity 
kernel:  hdb: hdb4 
kernel: hdb: The drive reports both 250609664 and 250640384 bytes as its capacity 
kernel:  hdb: hdb4