DMA will not stay enabled

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DMA will not stay enabled

Reasons why DMA will not stay enabled after restarting your computer

1.The device (hard drive, HP CD drive, HP DVD drive, CD-ROM drive) does not support DMA.

2.DMA is not available on your computer.

3.DMA has not been enabled in the computer's Basic Input/Output System (BIOS).

Refer to your computer's manufacturer for more information about using DMA on your system.

Software Errors

HP RecordNow reported it was unable to read fast enough

When HP RecordNow creates a CD, it does so in a single, continuous operation. This operation requires that the computer's hardware and software transfer data from the source device to the HP drive fast enough to keep the HP drive's laser turned on at all times. If the HP drive becomes "starved" for data, the laser will turn off, and the recording session will fail. There can be many different causes of this error.

This error is more likely when making second-generation copies, when using a slow or unreliable CD-ROM as the source drive, or when using faster write speeds (10X or 12X) especially when the blank media is not rated for higher speeds.

Other problems occurred after enabling DMA

If you enabled DMA and your system locks when accessing the HP drive or you start to have other system problems, disable DMA as a possible solution.

If you are prompted to "retry" following a failed CD recording, first, try the following:

1.Clean your source CD.

2.Use your HP drive as your source drive.

Other performance issues

3.

Test the performance of your CD-ROMand HP drive prior to recording.

 

40-conductor, 40-pin vs. 80-conductor, 40-pin IDE cables

4.

Retry the operation.

 

 

 

The IDE cable that came with your new HP drive is a 40-conductor, 40-pin cable.

HP RecordNow reported that there was a problem reading the

Some computers now come with hard drives connected to faster 80-conductor,

40-pin cables, also known as ULTRA ATA66/100s.

 

disc being copied

 

 

 

The connectors on each of these two cables are the same, however you can note the

Clean the CD

 

 

 

difference between the two configurations on the cables themselves. The

1. Use a mild, nonabrasive soapy solution on a nonabrasive cloth to clean the shiny

80-conductor cables have more conductors on the cable, which can increase the

 

side of the disc.

 

 

 

performance of your hard drive.

2.

Wipe from the center to the edge of the disc.

 

 

 

When you installed your new HP drive, you might have replaced an 80-conductor

 

 

 

3.

Dry the disc completely before reinserting it into your CD-ROM drive.

cable with the 40-conductor cable that came in the box with your new drive. If you

 

 

 

 

 

did replace an IDE cable, and your system now works slower, or you are having

Try using a different source drive

 

 

 

performance problems with one of your hard drives or a CD-ROM or DVD-ROM

To change the source drive, click the Change button in the device panel on the lower-

drive, examine the IDE cables. If you replaced an 80-conductor cable with a 40-

right side of the RecordNow main window and select the desired drive from the pull-

conductor cable, your performance issues could be related to this and you should

down list. Insert the CD into the selected drive.

 

 

 

reinstall the 80-conductor cable. Although this isn't a recommended configuration,

 

 

 

 

 

 

 

 

your HP drive will function with an 80-conductor cable.

 

 

 

 

 

 

 

 

 

 

 

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

 

Software Errors

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HP 790k (LA), 792.se Software Errors, DMA will not stay enabled, Other performance issues, disc being copied, Clean the CD
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