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SCSI cable connection causing CD-RW problems System
After many software updates and patches trying to fix my external CD-RW drive, I found that I had a SCSI cable with wrong connections in pin 17,18,51,52 on the 68pin connector!

This happened to me before with a scanner; now that I've fixed it, I can write CD's under OSX 10.1.5 with Toast 5.1.4 and an external Matsushita 8x Writer! The correct conections should be:
50pin  >    68pin connector
12 > NC instead of 17
13 > 17 & 18 instead of 18
37 > NC instead of 51
38 > 51 & 52 & 17 & 18 instead of 52
So if you have an external SCSI CD-RW, and when you burn CDs your writer hangs, you might want to try a different SCSI cable!
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Related Query
Authored by: leenoble_uk on Sep 01, '02 05:46:18AM
I've got a Lacie USB CDRW which is listed as supported by apple but it fails to burn. I'm already the process of trying to fix this by flashing the firmware. I tried doing this over USB but although the firmware number has changed the process informed me that it failed so now I have taken the Mitsumi CR4802TE mechanism out of the USB casing and am going to plug it directly into the IDE interface of a desktop machine at work.
Now, something odd I noticed after removing the drive was the jumper settings [MA | SL | CS]. The drive is an extenal CDRW usually plugged in over USB, but it was set as Master. Is this normal?
When I try the procedure tomorrow, I'll probably be swapping out the primary optical drive so I'll leave it set at master, but shall I set it back to slave when I plug it back into the USB bridge casing?

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