Path: utzoo!attcan!uunet!snorkelwacker!mit-eddie!rutgers!sunybcs!ubvms.cc.buffalo.edu!acsoyuw
From: acsoyuw@ubvmsd.cc.buffalo.edu (Yu Wang)
Newsgroups: comp.sys.ibm.pc.programmer
Subject: Re: First sector of the file area
Message-ID: <29744@eerie.acsu.Buffalo.EDU>
Date: 1 Jul 90 17:10:25 GMT
Sender: news@acsu.Buffalo.EDU
Reply-To: acsoyuw@ubvmsd.cc.buffalo.edu
Organization: University at Buffalo
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In article <1990Jun27.141718.18545@contact.uucp>, yung@contact.uucp writes...
>do the sector/cluster/file calculation. Anybody know how I can find out
>the sectore number of the first sector of the file area of a hard disk
>without knowing its storage size in advance?

You can read the File Allocation Table, it's all in there.
On a 20 meg hard disk, the FAT of the root directory should be at sector 83.
And the sub-directries of the root directory should be at sector 300s.
(Please correct me if I'm wrong)
P.S. PC-Tools will help.