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  #1 (permalink)  
Old 27th September, 2001, 12:20 PM
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Master/Slave settings......CD Drives

I'm running an LG 52* CD-ROM drive, and a Memorex 12*10*32 CD-RW drive. Which way round should they be connected?

Currently, the CD burner is set as master........


Also, I'm running my CD drives on the primary channel, and the HDD (20 gig Seagate) on the secondary. Would this impact the performance of the drives at all?
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Old 27th September, 2001, 02:58 PM
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Theoretically it shouldn't make any difference which of the CDs is master, but in practice there's interactions between the master and the slave.

The answer is likely to be suck-it-and-see, if it makes any difference at all.

The normal convention is to put the hard disks on the primary channel, and other devices on the secondary channel. This is a bit of a hang over from the older motherboards, where the primary channel would be localbus, and the secondary channel was just ISA.

Áedán

P.S. Let us know if makes any difference at all!
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Old 28th September, 2001, 01:05 AM
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The ideal method to avoid the dreaded "Buffer Underun" is as follows;
Primary IDE port - Hard Drive as master, CD Drive as slave
Secondary IDE port - CD-RW set as master.

I have tried having the CD and CD-RW on the same IDE port. You end up with more problems than with the aforementioned method. Both systems are set up this way and I haven't made a "coaster" in 6 months.
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Old 1st October, 2001, 06:09 PM
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Quote:
Originally posted by Da Whip
I have tried having the CD and CD-RW on the same IDE port. You end up with more problems than with the aforementioned method.
I'd have to disagree. I've had my CD-RW and CD-ROM on the same IDE channel, and have never had any real problem with buffer underrun. I have my HDD and LS-120 on IDE1 as master and slave respectively, and my CD-ROM and CD-RW on IDE2 as master and slave respectively. I do deal with some buffer issues, but I have burnproof on my new CD-RW, so that helps, but I upgraded to a faster CD-RW, but still have my slow 32X CD-ROM, that I'm thinking of upgrading. But as for IDE channel setups, I don't think it really matters at all. At least, that's been my experience.
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Old 7th June, 2005, 05:47 PM
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My reader and writer are on the same chan. and I have not had a problem yet.
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Old 7th June, 2005, 06:08 PM
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Good news is always welcome, thanks!
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Old 7th June, 2005, 06:11 PM
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I've done dvd to dvd on the same channel, while it's true that udma doesn't support full duplex transfers, theres plenty of bandiwidth on the ide channel to cope, and the buffer underun protection on most drives stops it being a problem

I don't think the slave/master setting will have any noticable differance, for the sake of simplicity just set which ever you want to be listed first in windows as master, though even tht can be altered
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Old 7th June, 2005, 06:13 PM
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Just glad I dont have to worry about it to much with SATA HDD instead
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Old 19th June, 2005, 03:50 PM
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Hard drives should be IDE channel 0 and optical drives IDE channel 1.Preferably the writer as the primary and the reader as secondary.I jump all my drives as cable select and never have a problem with underruns.In device manager select IDE ATA /atapi controllers and make sure both primary and secondary channels are set to DMA if available under advanced settings.The secondary usually defaults to PIO mode.
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Old 19th June, 2005, 04:01 PM
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I really fail to see how you choose to organise your drives is going to have anything to do with coasters. The only reason I ever get coasters ie because of software issues, faults with the drive itself or faults with me.
Maybe I'm missing something, can you fill me in, explain more? I'm no expert, just wondering how that could cause coasters?
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