Re: ide-cs using 100% CPU

Hamie
2004-08-08T15:24:57Z

Robert Hancock wrote:

>It isn't that the CPU is doing so much work, it's mostly waiting. However
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That was my point... While waiting, shouldn't the CPU be off doing
something else? Like giving X some attention...

>with this type of PIO access, the CPU must do all the reads/writes from the
>buffer and while doing this the CPU is blocked and cannot do anything else.
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Or is the CF requirements such that it's spending it's time doing the
actual reads & writes from the buffer, and it's the hardware inserting
wait-states when it's being accessed?