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DMA Modes

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7 replies

by support

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Hi there, this is my first post and would really like some help on this please.

I have installed a CD writer for a friend, which seems to install fine. I can read Cd's from the CD Rom and the CD writer. But when I go into the EasyCD creator software it will not see anything on the CD Rom. I have checked the properties in both the CD Rom and CD Writer and the DMA does not seem to exist. So my question is how do I get install it, so it shows in the property box

Cheers Alan

7 replies

by guruofdos

Your IDE controllers must be capable of supporting DMA transfers. There may be a driver you need to configure DMA (Most SIS/VIA chipsets have a driver which asks you if you want DMA mode or NON-DMA mode when you install it). You may also need to enable DMA mode in the BIOS.

In Device Mangler, highlight the CD ROM/CR-RW drive required, click Properties, then Settings and check the DMA box. Reboot. If your drives/controllers do NOT handle DMA then the option will be unchecked when you reboot.
EZCD Creator isn't fussed whether you use DMA or not, so I suggest you may have another problem.

by csmith

This is not a DMA problem.
To test compatability, jumper the CDRW as slave and put it on IDE channel 1. (Same cable as C:)
Leave the CDROM on IDE 2.
Will the PC boot?
Will Easy CD Creator work?
If no boot, the CDRW has a problem.
If the software doesn't work, go through the settings.
By the way, when you get it working, and want to put the CDRW back on IDE 2, Make the CDRW the IDE Master, and the CDROM the IDE Slave.
That configuration is usually best.
(If it does't work, reverse it toCDROM=Master and CDRW=Slave.)
Regards, Chris

by caquino3759

I would agree with answer #2, but would leave the CD-ROM and CDRW on the seperate IDE channels. The software tends to find each device, and operate alot smoother.
Good Luck!
Also! Chris!

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