Digital BW, The Print

Hello Group, 

Since there are obviously some folks here that keep up to date on the reasons our machines work as they do....I have a simple technology question for you..

I have a firewire external CD Burner that I use to burn archive CDs of images.  This is connected to a 800mhz PC with Windows 2000 and 500mb RAM.  

Just last night I tried to back up images (burn) to some 16x CDroms.  I picked the speed using Adaptec Easy CD Creator software....the speed was 8x which is the rated speed for the burner.  

The Verbatim blank CDROMS are 16x and 700mb version.

I selected about 600mb of data image files and clicked burn....and waited and watched as the burn software showed progress to about 93% or so and then the CD would report "ERRORS REPORTED."

The error?  "Buffer Underrun."  

This is the first time I have encountered this problem.  It created Coasters as the  images would not open in Photoshop.   I have not had this problem before (I used to use Kodak and Maxell CDs).   What gets me is that I went through this several times (wasted time each time) waiting to backup the disc so I could use my CF card.   The delay was "costly" in this case. I want to avoid that. 

I have not read up on this issue/problem and simply want to know if there is a technique to use or a simple step to take/avoid that I should know about.  I was blissfully ignorant of the issue until now. 

Is it that I am sending too much data for my memory? 
Is it that I am using an 16x disc with a 8x burn rate?
Is it the media?
Is it that I am using a 700mb disc and should limit the amount of data to write to it (say to 500mb?)?

I know there are CD burners that promote the use of "Burnproof" technology...this burner does not have that though.  

Suggestions?

Thanks in advance. 
Steadman




[Non-text portions of this message have been removed]

Hi Steadman,  I have a mac of course so this may be totally different but
when I had buffer underrun problems I found that "optimizing for size" and
transferring all files to an empty partition of my hard drive got rid of
them.  Create a partition thru the CD burn program is also the best way to
go... no fragmenting problems this way.


Carolyn

> 
> Since there are obviously some folks here that keep up to date on the reasons
> our machines work as they do....I have a simple technology question for you..
> 
> I have a firewire external CD Burner that I use to burn archive CDs of images.
> This is connected to a 800mhz PC with Windows 2000 and 500mb RAM.
>

--- In DigitalBlackandWhiteThePrint@y..., "Steadman Uhlich" 
<steadmanuhlich@k...> wrote:

> The error?  "Buffer Underrun."  

Steadman,

this has been a common issue in the CD burning technologies for years. 
Recently software like Toast and it's successor from Roxio have added a little 
check-mark option specifically to prevent buffer underrun.

Like Carolyn, I am on a Mac and don't know how much of this applies to you. 
But with Buffer Underrun Protection on, I can be on the internet and do other 
things while CDs are perfectly burned in the background. This would have 
been unheard of 5 years ago!

If all else fails, create a partition and put all the data there - but it's a pain, I 
know.

Good luck.

Antonis

> Like Carolyn, I am on a Mac and don't know how much of this applies to you.
> But with Buffer Underrun Protection on, I can be on the internet and do other
> things while CDs are perfectly burned in the background. This would have
> been unheard of 5 years ago!


Well... my set up is old...  I don't have that Buffer Underrun Protection
option... time to upgrade!  Well, next commission... maybe.  Or get that
superdrive... ;-)  

Carolyn

Antonis and Carolyn, 

Thanks for the info/tips on the BURP  (Buffer Under Run Problem) I was getting...(wINK). 

Partitions?  Who needs stinking partitions??

My hard drive is about 99.99% full so that is probably causing a problem...I had "lack of scratch disk" problems...gotta cure that scratch too.  

Time to archive/offload some images eh?

Take care both of you dear people. 

Steadman

  ----- Original Message ----- 
  From: antonisphoto 
  To: DigitalBlackandWhiteThePrint@yahoogroups.com 
  Sent: Wednesday, January 30, 2002 11:12 AM
  Subject: [Digital BW] Re: Image Burning: Buffer Underrun Reason/technique?


  --- In DigitalBlackandWhiteThePrint@y..., "Steadman Uhlich" 
  <steadmanuhlich@k...> wrote:

  > The error?  "Buffer Underrun."  

  Steadman,

  this has been a common issue in the CD burning technologies for years. 
  Recently software like Toast and it's successor from Roxio have added a little 
  check-mark option specifically to prevent buffer underrun.

  Like Carolyn, I am on a Mac and don't know how much of this applies to you. 
  But with Buffer Underrun Protection on, I can be on the internet and do other 
  things while CDs are perfectly burned in the background. This would have 
  been unheard of 5 years ago!

  If all else fails, create a partition and put all the data there - but it's a pain, I 
  know.

  Good luck.

  Antonis


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