各大 harddisk 牌子的 low level format harddisk 的工具

Hitachi:
http://www.hitachigst.com/hdd/support/download.htm#Drive%20fitness

Maxtor:
http://www.maxtor.com/portal/site/Maxtor/menuitem.3c67e325e0a6b1f6294198b091346068/?channelpath=/en_us/Support/Software%20Downloads/All%20Downloads&downloadID=22

Samsung:
http://www.samsung.com/Products/HardDiskDrive/utilities/sutil.htm

Seagate:
http://www.seagate.com/support/disc/drivers/discwiz.html

Western Digital:
http://support.wdc.com/download/index.asp?cxml=n&pid=999&swid=2