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Re: Trying to read raw cdrom
- To: "Simmons,Bruce Q." <bqs@mitre.org>, cygwin@sourceware.cygnus.com
- Subject: Re: Trying to read raw cdrom
- From: Corinna Vinschen <corinna.vinschen@cityweb.de>
- Date: Fri, 07 May 1999 00:06:07 +0200
- References: <3731A48B.A8EB31E0@mitre.org>
"Simmons,Bruce Q." wrote:
>
> Corinna:
> Have been emailing with delorie about being able to read a raw cdrom
> using dd. I am running both an NT 4.0 and a win98 system. I can dd a
> file from the cdrom BUT not the entire cdrom starting from block 0.
>
> Any suggestions since all other that myself and Delorie have had have
> failed.
>
> -Bruce
Try using the patched B20.1 DLL in
ftp://ftp.franken.de/pub/win32/develop/gnuwin32/cygwin/porters/Vinschen_Corinna/B20
named
cv_cygwin1.dll.README
cv_cygwin1.dll.tar.gz
Then, on the command line:
mount -b //./X: /dev/cdrom
where X is the drive letter of your CD-ROM drive. Then, for example,
try:
od -c /dev/cdrom | less
or, to read the first sector and write it into a file:
dd if=/dev/cdrom of=cdrom.sektor0 bs=2048 count=1
The patch will be part of the upcoming B21 release.
Note: This extension will only work on NT, because 9X doesn't support
raw devices!
Hope, this helps,
Corinna
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