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Appendix A. Customizing the device driver configuration
settings
This section provides information on how to customize the device driver.
Enabling DMA for Windows XP
The DMA parameter improves the computer performance by having the computer DMA controller
handle data transfers from the CD to memory, freeing the computer's microprocessor to perform more
important tasks. For example, activating DMA might make movies and games run more smoothly
because the microprocessor is allocating more processing time to video.
To change the DMA parameter setting from the Windows XP desktop, complete these steps:
1. Click Start.
2. Click Control Panel.
3. Click Switch to classic view.
4. Double-click System.
5. Click the Hardware tab.
6. Click the Device Manager button.
7. Click the IDE ATA/ATAPI controller to expand the tree.
8. Double-click on the controller where your CD/DVD Burner is located (Primary IDE or Secondary
IDE).
9. Click the Advanced Settings tab.
10. Select the appropriate Transfer Mode pull-down that corresponds to the CD/DVD Burner location
(Device 0 for Master, Device 1 for Slave).
11. Select DMA if it is available.
12. Click OK.
Enabling digital audio extraction
Your system must be properly configured to play back digital audio from this drive. There are two
setting that must be configured. One setting is in the device properties, and a second setting is in
Windows Media Player.
To set the device properties, complete these steps:
1. Right-click on My Computer, and select Properties.
2. Select Device Manager from the Hardware tab. In Windows Me, the Hardware tab shows the Device
Manager directly without clicking the button, as shown below.
© Lenovo 2008. Portions © IBM Corp. 2005.
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