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Posted by AnimalMagic on 11/18/07 18:37
On Sun, 18 Nov 2007 09:32:19 -0600, "Amused" <jkcopeland@carsoncomm.com>
wrote:
>"Paul Heslop" <paul.heslop@blueyonder.co.uk> wrote in message
>news:473E25C1.77D0EE78@blueyonder.co.uk...
>> Tarkus wrote:
>>>
>>> Paul Heslop wrote:
>>> > dmcg wrote:
>>> >> I recently purchased a spindle of TDK-R (16x) discs that are
>>> >> unrecognizable on my PC and unburnable, using NERO, ROXIO and
>>> >> imgburn. I'm running Windows XP, SP2. The discs work fine on my
>>> >> stand-
>>> >> alone LITE-0N DVD recorder and I've since been able to burn TDK-R's,
>>> >> from another spindle, on my PC.
>>> >>
>>> >> Has anyone else run across this kind of problem or know of a reason
>>> >> why this phenomenon might exist. Thanks in advance to whomever can
>>> >> offer some insight.
>>> >>
>>> >> D.
>>> >
>>> > your burner may be incompatible or may need a firmware upgrade. If
>>> > it's an older one it may not be able to cope with the speed of the
>>> > discs without an upgrade.
>>>
>>> Aren't all discs backwards compatible all the way to 1x? I don't see
>>> where the speed of the discs is an issue. Their listed speeds are the
>>> maximum, not the minimum.
>>
>> I am sure I have seen it mentioned that 16X speed discs may not be
>> compatible with some drives which the firmware was not written for
>> 16X. I may be wrong, it wouldn't be the first time. :O)
>>
>> actually, on a little google I just found this and it's a bit scary,
>> but hopefully doesn't apply in this case
>>
>> http://www.tiktak-it.co.uk/acatalog/Blank_DVD-R_Discs.html
>>
>> "TDK DVD-R - 4.7GB - 16x speed - box of 10 jewel cases. Ref: TDK-6153
>> DVD-R47CBEC10: TDK high performance write once DVD minus discs
>> (DVD-R). Box of 10 individual jewel cases. These single sided discs
>> provide the standard 4.7GB data capacity and are rated 1x - 16x speed
>> (ver 2.1 rev 6.0). It should be noted that use in incompatible
>> recorders may lead to permanent damage to the recorder. The disc can
>> store 4 hours of video capacity in EP mode (VHS quality) or 2 hours in
>> SP mode (DVD quality)."
>>
>>
>> --
>> Paul (We won't die of devotion)
>> -------------------------------------------------------
>> Stop and Look
>> http://www.geocities.com/dreamst8me/
>
>
>Just a passing observation, with no real support. I have an 18-x rated Sony
>burner. I routinely, manually re-set the burn speed down to at least 12x
>and usually 8x because I was getting too many disks that would appear to
>burn, but fail to play. (Disks are almost exclusively Verbatim. I have
>learned my lesson about buying cheap disks.) I have both Nero and Roxio, as
>well as some others and while the default burn speed is usually,
>"automatic", they do allow a Manuel set.
>
>It may be annoying not to be able to burn at rated speeds, it's MUCH more
>annoying to have to re-burn disks because they won't play.
>
>James...
Most current, well made drives will burn at max speed, and be readable
on any drive.
The reason is that the lasers have multiple power settings. The old
drives had a single power setting, which gave rise to a contrast ratio
issue on the written data.
Have you checked with Sony to see if there is a firmware update?
They are likely not using the right power setting for the higher speed
burns.
I currently burn all my discs at the max rate, and haven't experienced
a read issue in years. But contrast ratio is the reason and low burn
power is the cause,
I have HP and LG drives.
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