mkdosfs 3.0.12 (29 Oct 2011)
/dev/sdb1 has 255 heads and 63 sectors per track,
logical sector size is 512,
using 0xf8 media descriptor, with 623767552 sectors;
file system has 2 32-bit FATs and 32 sectors per cluster.
FAT size is 152224 sectors, and provides 19483221 clusters.
There are 32 reserved sectors.
Volume ID is 73784380, no volume label.