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Windows 7: DVD drives - DMA and PIO modes


09 May 2010   #1

Windows Home Premium (64)
 
 
DVD drives - DMA and PIO modes

If Windows XP detected several errors when accessing DVDs, the access mode was dropped from DMA to PIO. The (only?) way to recover was to uninstall the DVD driver and reboot. XP would detect new hardware and (generally) install the right driver, restoring DMA mode.

Does the same degradation occur in Windows 7? And how is DMA mode restored here?

Is it the same for DVD drives with SATA interfaces?

My System SpecsSystem Spec
.

23 Oct 2011   #2

windows 7 ultimate 64bit
 
 

Quote   Quote: Originally Posted by DarkStar GT View Post
If Windows XP detected several errors when accessing DVDs, the access mode was dropped from DMA to PIO. The (only?) way to recover was to uninstall the DVD driver and reboot. XP would detect new hardware and (generally) install the right driver, restoring DMA mode.

Does the same degradation occur in Windows 7? And how is DMA mode restored here?

Is it the same for DVD drives with SATA interfaces?
still no answer
My System SpecsSystem Spec
Reply

 DVD drives - DMA and PIO modes




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