View Full Version : DMA mode
as said b4 just installed new HDD
can you enable DMA mode on your drives on win98, ive gone thru device manager but can only enable it on my HDD.
is that normal or am i meant 2 do it to my burner/s as well
its been that long since i done it on XP ive forgot
Well, not all CD-ROMs can support DMA...
BlackDiamondJr
04-06-2004, 12:14 PM
As PS2WIZ said, not all optical drives can run DMA. There are some which can only run PIO and will make the entire controller that it's attached to run PIO also.
If you are running the Intel Application Accelerator then it negates your ability to effect any changes as it automatically controls the settings and removes those adjustments from device manager. This holds true for Windows XP.
Enabling/ Checking DMA In Windows 9x (http://wombleintheuk.tripod.com/Final/DMA/DMA9x.HTM)
Enabling/ Checking DMA In Windows XP (http://wombleintheuk.tripod.com/Final/DMA/DMAXP.HTM)
well in that case its only my HD that supports DMA. if i have that enabled and the others dont support will it make any difference?
BlackDiamondJr
04-06-2004, 05:41 PM
If the hard drive is on an IDE channel by itself then it makes no difference.
But you should not place a PIO device on the same channel as a DMA device.
Sometimes the PIO problem can be corrected by removing the offending IDE Controller from Device Manager and reboot so that Windows can redetect and reinstall it.
well i have my HD on primary master and my burner on secondary slave and only my HD supports DMA it still takes 8 mins to burn @ 24x (40x burner)
BlackDiamondJr
04-06-2004, 07:28 PM
I don't know that I'm aware of any 40X burners that's not DMA capable as you cannot attain 40X speed without DMA being enabled. Make sure that the settings in your BIOS for IDE devices are properly set.
ok i wasnt too sure what to look 4 in the bios (i didnt change anythin)
but
it produced this:
?????? primary master PIO AUTO
?????? primary slave PIO AUTO
?????? secondary master PIO AUTO
?????? secondary slave PIO AUTO
it is exactly the same on the DMA versions (all auto)
BlackDiamondJr
04-07-2004, 08:07 AM
It appears that your BIOS settings are all correct.
How many drives are on the Secondary Controller?
Have you tried deleting the Secondary Controller in Device Manager and reboot?
my setup is
primary master - 80gb HD
primary slave - empty
secondary master - DVDRW/52x CDrom
secondary slave - DVDRW/52xCdrom
not sure which is which on the secondary
ill try deleting the controller now
BlackDiamondJr
04-07-2004, 08:26 AM
Make sure that both optical drives are jumpered Master/Slave and not cable select.
Deleting the Controller and rebooting often fixes the problem if your setup is proper.
got it sorted! thanks blackdiamondjr
all i had to do was the delete the controller and reboot
BlackDiamondJr
04-07-2004, 11:48 AM
Glad you got it sorted.
Enjoy!!
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