I’ve backed up a bunch of older data to DVD+R discs and afterwards used Nero’s CD Speed to check the discs for errors. It was an extremely show process (over an hour per full disc) so I checked the transfer speed.
To my surprise it was a flat line over the whole disc at 2x. Wondering if it was CD Speed, I also tried DVD Info Pro v2 and it showed the same results.
The stats show I should be able to read at 8x so why can’t it do that using a disc it burned at twice that speed!
Any ideas would be welcome. And yes, DMA is enabled and XP tells me that device is operating in Ultra DMA Mode 2.