Michael Klinosky wrote: > Mikkel: >> Well, it depends on the drive. Not all optical drives support DMA, >> but any fairly new drive should. You can use hdparm to see the >> current settings, check what the drive supports, and to change the >> current settings. Depending on your BIOS, it may also possible to >> set DMA support for a specific drive. To get good performance from >> your drive, you will want DMA turned on. > > I checked the bios - only 'on' and 'off'. No way to select the unit. > > hdparm states that these drives support sdma0-2 and mdma0-2, and that > mdma2 is enabled. > > I couldn't figure out which parameter to use to change the setting. > It looks like you are already using DMA. You may want to check your logs to see if you are getting read errors on the drive. A dirty drive, or a bad disk will also slow things down. Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!