slow ZIP

[Benjamin Herrenschmidt]

>Why the ide ZIP drive is so slow ?  Raw transfer speed is only 150KB/s,
>while it goes at ~1MB/s with MacOS.

I don't think we let it do DMA because of limitations of older drive
models. If we had infos about how to differenciate DMA-capable ZIPs
from those older ones, then we could enable DMA by default.

Ben.


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