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Originally Posted by Tech
DMA speeds
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, all DMA & UDMA does is allow the HDD controller to access RAM (DMA =
Direct
Memory
Access)
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Originally Posted by Tech
Don't want to be a smart arse
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no, please feel free, HWF is a forum, so, everyone learns
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Originally Posted by Tech
there are actually quite a few more DMA speeds through the history of ATA.
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i think you mean ATA speed, & yes there are more ATA speeds
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Originally Posted by Tech
THree for Single-word DMA, three for multi-word DMA and seven for ultra DMA.
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i think you are referring to ATA 1 & 2 there
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Originally Posted by Tech
The speeds you mentioned were all from ATA 4 onwards (Ultra DMA) and were the top speeds for those particular standards (ATA 4,5,6 and 7).
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ATA 7 maximum rate is SATA 150 and SATA1 operates at a burst rate, not a constant speed, so, the speed of SATA1 is comparable with PATA 133
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Originally Posted by Tech
If you're interested theres something to be reading about when boredom grips you, otherwise disregard this post
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no, it's fun trying to beat each other at research & it's something to do
Sources
here,
here &
here