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Re: setting ultra DMA for hdd at boot time?



> not all systems work good with DMA on. especially some VIA
> chipsets. i had major problems with DMA on them so i stopped
> using the onboard ide and started using promise ata100 cards
> in their place.
>
> older motherboards are even worse

A little while ago I heard that this is due to fundamental flaws in hardware
design/implementation, i.e. some disagreeable interaction between PCI and
ATA, especially when (U)DMA is involved.

-Andrew





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