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Archived from groups: comp.sys.ibm.pc.hardware.storage (More info?)
"Bob" <spam@spam.com> wrote in message
news:40a1598a.7089394@news-server.houston.rr.com...
> On Tue, 11 May 2004 22:42:01 +0200, "Folkert Rienstra"
> <see_reply-to@myweb.nl> wrote:
>
> >> Hmmm... Doesn't sound like a very intelligent way to implement an
> >> optical drive.
>
> >Welcome to the wonderful world of IDE.
>
> >> I would have assumed they could issue a spin-up instruction
> >> and wait for a "ready" interrupt while they do other things.
>
> >No such command, I'm afraid (AFAICT).
>
> >> Holding the IDE channel up while waiting for the disk to spin up is
idiotic.
>
> >Well, IDE has known overlapped commands for a while now but it is hardly
> >implemented by any devices and also needs driver support for it to work.
>
> Even Microsoft did a better job of implementing the floppy drive than
> that.
Not that I could ever tell<g>.
> What you have just said explains why optical disk makers insist you
> use the master channel and nothing on the slave - they take over the
> entire channel. Dumb and dumber.
They do no so insist. Cite a reference.
"Bob" <spam@spam.com> wrote in message
news:40a1598a.7089394@news-server.houston.rr.com...
> On Tue, 11 May 2004 22:42:01 +0200, "Folkert Rienstra"
> <see_reply-to@myweb.nl> wrote:
>
> >> Hmmm... Doesn't sound like a very intelligent way to implement an
> >> optical drive.
>
> >Welcome to the wonderful world of IDE.
>
> >> I would have assumed they could issue a spin-up instruction
> >> and wait for a "ready" interrupt while they do other things.
>
> >No such command, I'm afraid (AFAICT).
>
> >> Holding the IDE channel up while waiting for the disk to spin up is
idiotic.
>
> >Well, IDE has known overlapped commands for a while now but it is hardly
> >implemented by any devices and also needs driver support for it to work.
>
> Even Microsoft did a better job of implementing the floppy drive than
> that.
Not that I could ever tell<g>.
> What you have just said explains why optical disk makers insist you
> use the master channel and nothing on the slave - they take over the
> entire channel. Dumb and dumber.
They do no so insist. Cite a reference.