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Old 2005-04-20, 10:16 AM
wazoo2u wazoo2u is offline
Join Date: Nov 2004
Re: Toubles with the new pc's dvdr....?

Your optical drives are installed on your primary IDE because your computer is using Serial ATA (SATA) drives on the SATA Bus. Your IDE controller channel will default to whatever the lowest level of DMA a device on the channel is capable of running. If your drives have different DMA capabilities, then you could seperate them and see a slight perfromance increase. Traditionally, in systems that use only IDE devices, the hard disks (which run UDMA 4 or 5) live on the Primary, and the Opticals (which run UDMA 2 - 5) live on the Secondary, so they don't slow down the HD's.
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