Q1:Sector Count ->> Capacity
SectorCount * Sector Size = total bytes
2097152 * 512 = 1073741824 /1024/1024/1024 = 1 GB
Q2:Capacity ->> Sector Count
Convertto total bytes /sector size =Sector Count
1GB* 1024*1024*1024 (bytes) = 1073741824 / 512 = 2097152
Unit Conversion,布布扣,bubuko.com
原文：http://1111yoyo1.blog.51cto.com/1783514/1409525