by Maestro Mute » Tue, 04 Feb 2003 05:45:49
I have a HP 8100 cd writer plus. It appears to work under linux, but it
refuses to clear CR-RWs. I've tried with Cdrecord (both command-line and
GUIs) and Cdrdao, and both of them returned something like "power
calibration area error".
Can any of you explain me what happened, please?
by John Thompso » Tue, 04 Feb 2003 11:04:08
--
by Maestro Mute » Wed, 05 Feb 2003 04:46:34
> Is the 8100 designed for CD-RWs?
I might say you "used to work under windows"Quote:> Some older devices only support CD-R.
> Have you tried a number of disks/brands with the same result? IIRC, the
> power calibration is based on the disk's ATIP info. If that is bad, or
> does not correspond to something your writer supports you would get an
> error.
by Maestro Mute » Thu, 06 Feb 2003 06:59:49
>>>Is the 8100 designed for CD-RWs?
>>yes
> Are you trying to write Highspeed CDRW Media with a Multispeed burner?
> Most burners that support CD-RW up to 4x don't support Highspeed
> Media, even if they are labeled 4-10x.
>>Anyway, is there a way to set this power calibration?
> A failing power calibration means that the laser strength can't be set
> high enough for the medium.
> This can be caused by using the wrong type of media(*), poor media
> quality, dust/dirt in the laser's path or a worn laser diode.
> Problems with a dirty or worn laser usually affect CD-RWs first
> because they need considerably more laser power than CD-Rs.
> Ciao,
> Andreas
1. UDF Write Support with CD-RW and CD-R Devices ?
Hello,
I want to use UDF with my CD-RW Device
but write support is not supported at the moment.
So I want to ask what is the status about this Topic at the moment?
Is someone working on this?
In ./Documentation/filesystems/udf.txt
i read the following:
" Write support requires a block driver which supports writing. The current
scsi and ide cdrom drivers do not support writing."
And in menu-config this:
"Due to lack of support for writing to CDR/CDRW's, this option
? is only supported for hard discs, DVD-RAM, and loopback files."
Is someone working on write support for those SCSI and IDE CDROM drivers or
this Block Driver thing support?
Will i see UDF write support with CD-RW Devices in the next big Kernel
Release, in other words for example linux Kernel 2.6.x?
Pleas CC every answer/comment of this Topic to me,
because I am not subscribed to this mailing-list.
Thanks.
Best Regards
Oliver C.
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