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you decrease the amount of time it takes to create your CD or DVD and increase system performance. Enabling DMA also reduces disc-writing failures.

HP recommends enabling DMA on all internal IDE CD/DVD Writers and all hard drives. DMA is not available on external HP drives; however, you can still improve performance when using an HP external drive by enabling DMA on your hard drive(s).

To enable DMA on HP CD/DVD drives and your computer's hard drives, follow the procedures for your version of Windows.

Enabling DMA on HP IDE CD/DVD Drives and Windows 98/Me

1.Click the Start button, select Settings, and click Control Panel.

2.Double-click the System icon.

3.Click the Device Manager tab.

4.Double-click the CDROM icon.

5.Double-click the HP CD/DVD drive listed.

6.Click the Settings tab.

7.Check the box next to DMA. If the box is already checked, then DMA is already enabled for the HP CD/DVD drive.

NOTE: USB CD Writers do not have the DMA feature available

Enabling DMA on hard drives and Windows 98/Me

1.Click the Start button, select Settings, and click Control Panel.

2.Double-click the System icon.

3.Click the Device Manager tab.

4.Double-click Disk Drives.

5.Double-click on the IDE hard drive listed.

6.Click the Settings tab.

7.Check the box next to DMA. If the box is already checked, then DMA is already enabled for the HP CD/DVD drive.

Enabling DMA on HP IDE CD/DVD Drives and Windows 2000

Professional

1.Click the Start button, select Settings, and click Control Panel.

2.Double-click the System icon.

3.Click the Hardware tab.

4.Click the Device Manager button.

5.In the list of devices, double-click IDE ATA/ATAPI Controllers.

6.Double-click the controller (normally the Secondary IDE Channel) that connects the HP CD/DVD drive to the motherboard.

7.Click the Advanced Settings tab.

8.Next to Transfer Mode select DMA if available for the correct IDE device. If you're unsure which device to enable DMA on, try setting DMA on both master (device 0) and slave (device 1).

9.Click OK.

Enabling DMA on hard drives and Windows 2000 Professional

1.Click the Start button, select Settings, and click Control Panel.

2.Double-click the System icon.

3.Click the Hardware tab.

4.Click the Device Manager button.

5.In the list of devices, double-click IDE ATA/ATAPI Controllers.

6.Double-click the controller (normally the Primary IDE Channel that connects the hard drive to the motherboard.

7.Next to Transfer Mode select DMA if available for each hard drive.

8.Click OK.

hp dvd-writer dvd100i Technical Support Solutions Guide 10/25/01

Improving Drive Performance and Reducing Errors

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