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ISA DMA: Difference between revisions
→DMA Genesis, Chapter 1, Verse 1
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Finally, '''all''' DMA controllers run at 4 MHz. (Information taken from ISA Specification) '''No exceptions'''.
Ignore that GHz tag on your processor or the fact that even PCI runs at 33 MHz. DMA controllers are fixed at this rate. This includes EISA and PS/2 32-bit DMA controllers.
So after reading all the above, the main points are:
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