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Groups > comp.programming > #5427
| From | "Bill Cunningham" <nospam@nspam.invalid> |
|---|---|
| Newsgroups | comp.programming |
| Subject | Re: fat32 and boot sector |
| Date | 2015-05-07 14:17 -0400 |
| Organization | A noiseless patient Spider |
| Message-ID | <miga51$nq5$1@dont-email.me> (permalink) |
| References | <midq6g$51j$1@dont-email.me> <1j9h0bl34mc3n.1rpv7m4y7s3hq$.dlg@40tude.net> |
"JJ" <jj4public@vfemail.net> wrote in message
news:1j9h0bl34mc3n.1rpv7m4y7s3hq$.dlg@40tude.net...
> On Wed, 6 May 2015 15:32:31 -0400, Bill Cunningham wrote:
>> Where exactly on a fat32 partition is the vb record. It's 512 bytes
>> just
>> like the mbr. I need to examine this to find the root direcetory and
>> subsequently the FAT itself. If I were using linux I'd just look at
>> /dev/sda1 but it's not that convenient on win xp x64.
>>
>> Bill
>
> In Windows...
>
> If you access the volume by opening the volume device (e.g. \\.\D:), the
> first sector is the VBR. The number of VBR sectors depends on the file
> system.
>
> If you access the volume by opening the disk device (e.g.
> \\.\PhysicalDrive0), the first sector is the MBR. To get a partition's
> VBR,
> the sectors number specified in the MBR partition entry's Relative Sector
> field (the 2nd last field) points to the start of the partition data -
> which
> is the partition VBR.
I do not see a field called that in the MBR on this page I am looking
at:
http://en.wikipedia.org/wiki/Master_boot_record
Does this involve dealing with the CHS values of the partitions? I've
never really gotten into that. HSC is the order I believe the MBR reports
this data.
Bill
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fat32 and boot sector "Bill Cunningham" <nospam@nspam.invalid> - 2015-05-06 15:32 -0400
Re: fat32 and boot sector Robert Wessel <robertwessel2@yahoo.com> - 2015-05-06 18:30 -0500
Re: fat32 and boot sector "Bill Cunningham" <nospam@nspam.invalid> - 2015-05-06 20:01 -0400
Re: fat32 and boot sector Robert Wessel <robertwessel2@yahoo.com> - 2015-05-06 20:07 -0500
Re: fat32 and boot sector "Bill Cunningham" <nospam@nspam.invalid> - 2015-05-06 21:49 -0400
Re: fat32 and boot sector Robert Wessel <robertwessel2@yahoo.com> - 2015-05-06 21:24 -0500
Re: fat32 and boot sector "Bill Cunningham" <nospam@nspam.invalid> - 2015-05-06 23:41 -0400
Re: fat32 and boot sector "Bill Cunningham" <nospam@nspam.invalid> - 2015-05-06 23:42 -0400
Re: fat32 and boot sector Robert Wessel <robertwessel2@yahoo.com> - 2015-05-07 01:23 -0500
Re: fat32 and boot sector "Bill Cunningham" <nospam@nspam.invalid> - 2015-05-07 13:18 -0400
Re: fat32 and boot sector Robert Wessel <robertwessel2@yahoo.com> - 2015-05-09 00:01 -0500
Re: fat32 and boot sector JJ <jj4public@vfemail.net> - 2015-05-08 00:26 +0700
Re: fat32 and boot sector "Bill Cunningham" <nospam@nspam.invalid> - 2015-05-07 14:17 -0400
Re: fat32 and boot sector JJ <jj4public@vfemail.net> - 2015-05-09 21:49 +0700
Re: fat32 and boot sector Robert Wessel <robertwessel2@yahoo.com> - 2015-05-09 00:03 -0500
Re: fat32 and boot sector JJ <jj4public@vfemail.net> - 2015-05-09 21:55 +0700
Re: fat32 and boot sector Robert Wessel <robertwessel2@yahoo.com> - 2015-05-09 11:43 -0500
Re: fat32 and boot sector JJ <jj4public@vfemail.net> - 2015-05-10 16:05 +0700
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