Plextor PX-W1610TA Operation Manual page 38

Section 5. Maintenance and Troubleshooting
2. Double-click the CD-ROM icon and choose the PX-W1610TA by clicking on it
once. Then, click on the Properties button and select the Settings tab. You now
see the drive properties for the PlexWriter.
3. Disable DMA by clicking the DMA checkbox OFF, then click OK.
4. Close the System Properties window by clicking on the Close button.
5. When prompted, reboot your system.
6. After the firmware upgrade is completed, use this same procedure (but check
DMA on) to enable DMA again before using the PlexWriter.
To disable DMA in Windows NT 4.0 SP 3 or higher:
1. Connect to the Internet with a browser and click on the following link to
download the program "dmachcki.exe." Save the file to any directory.
http://download.microsoft.com/download/winntsrv40/utility/1.0.0.1/
nt4/en-us/dmachcki.exe
2. Once the file is downloaded, double-click it to execute the program. The program
runs a short diagnosis of your system, then creates another program called
"dmacheck.exe" in the same directory.
3. Double-click the file "dmacheck.exe" to execute it.
4. In the ATAPI DMA support box, check Disable for both channels, then select
OK.
5. When you see the warning prompt, just select Yes.
6. A FINISHED prompt appears indicating that DMA detection settings have been
changed. Select OK and reboot your system manually.
To disable DMA in Windows 2000:
1. Right-click My Computer and select Properties.
2. Select the Hardware tab when the systems properties window appears.
3. In the Hardware tab, select the Device Manager button.
4. Double-click IDE ATA/ATAPI Controllers to expand the options.
5. Under IDE ATA/ATAPI Controllers, double-click on the listing to bring up the
property dialog box for the Primary IDE channel.
6. Click on the Advanced settings tab.
7. If available, set Transfer Mode for Device 0 and 1 to No DMA. Then select OK.
8. Your computer asks if you would like to reboot at this point. Select NO.
9. Repeat steps 5–8 for the Secondary IDE channel.
10. This time, when you are prompted, select Reboot.
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PlexWriter 16/10/40 Operation Manual