看起来像是每个柱面的容量。我这样理解的，不知道对不对。<br><br>255 heads, 63 sectors/track, 38913 cylinders<br>磁头数 255（盘面数）， 每个磁道扇区数63，共38913个柱面(每个盘片38913个磁道）<br><br>Units = cylinders of 16065 * 512 = 8225280 bytes<br>16065 = 255 × 63 为每个柱面的扇区数<br>8225280 = 16065*512 为每个柱面的容量（每个扇区512bytes）<br>
<br clear="all">Thanks Muchly<br>
<br><br><div class="gmail_quote">2010/5/19 Patapon <span dir="ltr"><<a href="mailto:l6g@lavabit.com">l6g@lavabit.com</a>></span><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
下面是我的U盘使用fdisk程序的部分显示内容，其中Units一行的含义我搞不懂，有谁知道吗？<br>
Command (m for help): p<br>
<br>
Disk /dev/sdb: 505 MB, 505413632 bytes<br>
16 heads, 61 sectors/track, 1011 cylinders<br>
Units = cylinders of 976 * 512 = 499712 bytes<br>
Sector size (logical/physical): 512 bytes / 512 bytes<br>
I/O size (minimum/optimal): 512 bytes / 512 bytes<br>
Disk identifier: 0xf3b17382<br>
<br>
下面是我的硬盘/dev/sda的部分显示内容<br>
Disk /dev/sda: 320.1 GB, 320072933376 bytes<br>
255 heads, 63 sectors/track, 38913 cylinders<br>
Units = cylinders of 16065 * 512 = 8225280 bytes<br>
Sector size (logical/physical): 512 bytes / 512 bytes<br>
I/O size (minimum/optimal): 512 bytes / 512 bytes<br>
Disk identifier: 0xa1ec4602<br>
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