RCA DVD+RW/+R External USB 2.0 DVD ReWritable Drive - Manual (Page 36)

DVD+RW/+R ReWritable Drive
User’s Guide
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Before You Begin
Some users may find the video/audio playback quality not as smooth as
expected.
Please go through the following steps to enable the DMA mode of your IDE
DVD-ROM drive.
First refer to your system manual to determine whether there is an Intel
chipset in your computer. For systems that use non-Intel chipsets, it is
recommended that you install the bus-master driver that can be found
with your motherboard support CD-ROM or disc.
It is noted that, with platforms based on non-Intel chipsets, the following
steps to enable the DMA mode may cause PowerDVD to work improperly on
your system.
Windows XP/2000/Me/98
1. First, double click on “My Computer” on Windows 95/98 desktop to
access the DMA setting through the following path: My Computer /
Control Panel / System / Device Manager / CDROM (DVD drive)
/ Settings.
2. On the Settings tab, you can see the DMA option on the Options
window. Please check this option to enable DMA. (Windows XP/2000
users, DMA mode is located under IDE/ATAPI controllers)
3. Reboot your system to enable the DMA mode of your DVD-ROM drive.
You should be able to see that the video playback quality is improved.