ENABLE DMA (Direct Memory Access)
DMA allows you to free up CPU resources by accessing memory directly.
To ensure that DMA is enabled:
Windows 95B/98/98SE/ME
1.
In Windows, click the START button, then SETTINGS, then CONTROL PANEL.
2.
Double click SYSTEM in the Control Panel folder, then the DEVICE MANAGER tab. You will see a list
of devices in your system.
3.
Click the CD-ROM icon, and choose your veloCD drive's Properties button. You will see the drive
properties for the veloCD ReWRITER.
4.
Ensure that the DMA box is checked ON under the Settings tab.
5.
Repeat steps 1 through 4 for other devices that you will be recording from and recording to such as
your hard drive and /or second CD-ROM or CD-Rewriter.
6.
Reboot your computer for the change to take effect.
Windows 2000
1.
Click the START button on the Windows taskbar.
2.
Select SETTINGS and then CONTROL PANEL from the menu.
3.
Double Click the SYSTEM icon in the Windows CONTROL PANEL.
4.
Select the HARDWARE tab then click on the DEVICE MANAGER button.
5.
Click on the (+) sign beside IDE ATA/ATAPI CONTROLLERS.
6.
Right click on the appropriate IDE channel (Primary or Secondary), right click PROPERTIES and
select the ADVANCED SETTINGS tab.
7.
Set the "Transfer Mode" to "DMA if available". Device 0 is the MASTER device on the IDE channel
and Device 1 is the SLAVE.
8.
Click OK to accept the change and then reboot the computer for the change to take effect.
Windows NT 4.0
Check in your CMOS and/or BIOS to make sure that DMA is enabled.
14
veloCD ReWRITER :
User’s Manual
IMPORTANT:
To achieve maximum performance for
reading and writing, direct access memory (DMA)
should be enabled for the veloCD drive and for all
other sources that you will be recording from,
including your hard drive, or other CD-ROM,
CD-RW
and DVD-ROM drives.
