Optical drives in enclosure, jumper Master or Slave or...?

vbimport

#1

Hi all. :slight_smile:

Excuse my ignorance but I just have to ask this; does it really matter how I jumper my CD/DVD burners when mounted in enclosure, connected via USB or FireWire?
Are there any recommendations specific for the chipset enclosure uses?

Don’t think I’m alone questioning this and when our knowledged members post like in quote, I really get confused.

“They just don’t work if they are set to slave. They are at the end of the cable, so the pin on the back of the drive must correspond to the Master setting. As simple as that.” (posted here)


#2

Master or CS, IIRC. But mainly it requires to be master.
It’s really an trial and error game…


#3

Yeah, but why chef? :wink:

My enclosure is equiped with [B]Ali [/B]M5621 USB2 chip. It also has a Oxford 911 FW chip but I won’t test that right now.
To begin with I’ll do some basic tests (transfer rate test in Nero CD-DVD Speed and “create image” test in Nero), with drive jumper in different positions.
Mobo USB controller: Asus P4P800 onboard , WindozeXP SP1.

[I]1. BenQ 1640 jumper [B]Master[/B].[/I]

19:26:33	#11 Phase 120 File dlgbrnst.cpp, Line 1832
	Creating the image for burning
	
19:26:33	#12 Text 0 File ThreadedTransferInterface.cpp, Line 2661
	Verifying disc position of item 0 (not relocatable, no disc pos, no patch infos, orig at #0): write at #0
	
19:31:56	#13 Text 0 File WriterStatus.cpp, Line 116
	< Image Recorder     > start writing Lead-Out at LBA 2295072 (230520h), lenght 0 blocks
	
19:31:56	#14 Text 0 File ThreadedTransfer.cpp, Line 228
	all writers idle, stopping conversion
	
19:31:56	#15 Phase 121 File dlgbrnst.cpp, Line 1832
	Creating Image completed successfully
-------------
[B]Total time: 5:29[/B].

[I]2. BenQ 1640 jumper [B]Slave[/B].[/I]

19:56:46	#11 Phase 120 File dlgbrnst.cpp, Line 1832
	Creating the image for burning
	
19:56:46	#12 Text 0 File ThreadedTransferInterface.cpp, Line 2661
	Verifying disc position of item 0 (not relocatable, no disc pos, no patch infos, orig at #0): write at #0
	
20:02:12	#13 Text 0 File WriterStatus.cpp, Line 116
	< Image Recorder     > start writing Lead-Out at LBA 2295072 (230520h), lenght 0 blocks
	
20:02:12	#14 Text 0 File ThreadedTransfer.cpp, Line 228
	all writers idle, stopping conversion
	
20:02:12	#15 Phase 121 File dlgbrnst.cpp, Line 1832
	Creating Image completed successfully
-----------
[B]Total time: 5:26[/B].

[I]3. BenQ 1640 [B]No Jumper[/B].[/I]

22:07:54	#11 Phase 120 File dlgbrnst.cpp, Line 1832
	Creating the image for burning
	
22:07:54	#12 Text 0 File ThreadedTransferInterface.cpp, Line 2661
	Verifying disc position of item 0 (not relocatable, no disc pos, no patch infos, orig at #0): write at #0
	
22:13:19	#13 Text 0 File WriterStatus.cpp, Line 116
	< Image Recorder     > start writing Lead-Out at LBA 2295072 (230520h), lenght 0 blocks
	
22:13:19	#14 Text 0 File ThreadedTransfer.cpp, Line 228
	all writers idle, stopping conversion
	
22:13:19	#15 Phase 121 File dlgbrnst.cpp, Line 1832
	Creating Image completed successfully
---------------
[B]Total time 5:25[/B].

Okay, we can see that with my setup, jumper setting has no effect at all. Heck the drive performs alike even with no jumper.
We can rule out the general statement quoted in #1 post; “They just don’t work if they are set to slave”, because this is not true, in [B]my[/B] enclosure “they work”…! :smiley:

More tests comming later.


#4

Nice thread


#5

pinto2…like i said in other thread i read it somewhere and never tried it myself. On with your tests, my enclosure is loaned out right now or i would test my PL-3507 box. Ditto on the nice thread.


#6

Thanks etp and rolling56. :slight_smile:
I hope other members with different USB/FW chip in their enclosure also can make some tests in future…

While drive was running without jumper, I also performed a write test.
Backed up an old movie ISO on RICOHJPN-W11, 4x DVD+RW.
(Note, can’t run QS test on this setup.)

No jumper at all, let’s see. :wink:





#7

Good question - I cannot answer it honestly…
The big impact seems to come from the enclosure chipset anyway. Darn stuff. :rolleyes: :bigsmile:


#8

Nice tests pinto2. So it can be done with Master, Slave and None. But I personally would not set it to None because I would lost the jumper pin. :bigsmile:


#9

It depends entirely on the enclosure/burner combination, although I believe that setting to Master is likely to be the safest bet under most circumstances. For example, some older Benqs were very picky about the enclosure used and some even had to be set to Slave. Fortunately they’ve ironed out that in their newer drives, although finding the best enclosure for any given drive is still a crapshoot.


#10

Don’t think we are looking for “safests bet” here. The question is more about if the jumper has anything to do with it at all… :stuck_out_tongue:

I would like te see more tests on enclosures with other chipset’s like Cypress and Prolific. :slight_smile:

Thanks zevia. :wink: