IDE configuration

[alejandrolanza]

I just got a Lite On LTD 166s DVD ROM and I set it up as the secondary master, and put my old Sony crx100 (CDRW 4x2x) as the secondary slave. My HD is the primary master and there's no primary slave.
The problem is that now I can't enable DMA for the Sony, only for the Lite On. Any suggestions? I was going to put the Lite On as the primary slave, but somewhere around here I read that would cause the HD (UDMA 66) to run at the slave's max interface speed, which wouldn't be nice. TIA

 

[TKH]

Pardon me if I'm wrong but I believe a 4x CDRW need no DMA enabled to function to its full potential.

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[4Ryan6]

I would swap the DVDROM with the CDRW, CDRW/Master,DVDROM/Slave of the secondary IDE, and leave the Primary like you've got it.

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[alejandrolanza]

Thanks for the responses. What's with legacy devices? I had switched the rw to master and dvd to slave and then only the rw could be dma enabled. Then I realized that the IDE1 cable was too short to reach any of the drives, so I didn't try putting any of the two as primary slave. But searching the message board somebody said that he disabled his audio legacy support and just for the [-peep-] of it I disabled the floppy legacy support on my bios (why was it even enabled? don't ask me), and guess what? all 3 IDEs can be dma enabled now, weird if you ask me, an IRQ thing maybe? don't know.
And yes, 4x doesn't need DMA for burning, but under AudioCatalyst 2.0 (mp3 encoding) the rw w/dma is better than the dvd w/dma, because I get a lot of speed errors with the later, I guess I need newer software for mp3 ripping, any suggestions?

 

[lhgpoobaa]

I suggest you ditch that old and tired burner and get a nice fast liteon 48x burner... they really dont cost very much, and you will never get a buffer underrun again! (as well as solving your DMA issues)

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