Why doesn't DMA work?

M

mad3d

New member
I have a Western Digital 40gb hard drive and a dell 4100-1000 system. Why can't I enable DMA (Dell says it can use DMA 100)? If I try I get a blue screen of death saying something about a VXD error. Can anyone help?
 
is it a Caviar 400bb?

i have one, and the DMA enable isnt even offered as an option in device manager/properties, couldnt set it on or off if i wanted to.

go to western digitals site and look into the drivers section they have a suite of diagnostic and other programs for your drive there, and one is for setting the ATA to 33/66/100, most of these are used on bootable disks and they work fine.


http://www.westerndigital.com/service/
scroll to bottom of page

and do you have intels ultra ATA storage driver installed?
if you do it would be visible in your program files

if not...

http://appsr.intel.com/scripts-df/Product_Filter.asp?ProductID=182


i guess my point is that ata100 is the same as dma100, to quote a section fom WD's website...

"Also known as Ultra DMA/100 and Feature ATA, Ultra ATA/100 allows host computers to send and receive data at 100 MB/s-considerably faster than the 66.6 MB/s data transfer speeds of Ultra ATA/66. The result is maximum disk performance under PCI local bus environments"

see the 1st line :)


goodluck
 
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