On Wed, 2003-09-24 at 20:19, Harold Martin wrote:
> Whenever I try to burn I CD I get the error:
> cdrecord: OPC failed.
> 
> Yes, I know OPC means Optical Power Calibration.
> But why is it failing? I'm using a brand new CD-RW!
> Thanks for your help,

I've been trying to hack a similar problem for months on my RH8 system
and finally got the burner to work.  (I don't think the burner is
anything out of the ordinary: a SONY CD-RW CRX220E1, 52X/24/X/52X).  I
have little more than a vague understanding as to why this fix works and
would be interested in any comments from the more technically
knowledgeable:

(1) I use cdrecord from the command line or xcdroast (one of its GUIs)
(2) "cdrecord -scanbus" lists the device as 0,0,0
(3) /etc/modules.conf includes the lines:
options ide-cd ignore=hdc
alias scsi_hostadapter ide-scsi
alias scsi_cd ide-scsi
alias scd0 sr_mod
(4) Although the burner specs give a write speed of 24X I don't use
speeds higher than 8X.
(5) I have the FIFO Buffer set to 16MB, the largest value possible in
the xcdroast "Setup - CD Settings" menu.
(6) I've been using heavily discounted Memorex CD-R's.

I hope this helps!

Jerry


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