Adaptec 29160N
pk at physicist.net
pk at physicist.net
Fri May 19 05:40:50 PDT 2000
---- you wrote:
> On Thu, 18 May 2000 pk at physicist.net wrote:
>
> > solved; now I've got another "problem": Why does the driver report
> > 80Mb/sec when the card reports 160Mb/sec at boot?
>
> Because there is a bug in the sequencer code, and I force Quantum Atlas IV
> and later drives that support 160 mode into 80 mode in order to get around
> the bug. The problem is that they will generate occasional bus resets
> under load. When I have a sequencer that fixes the problem, then the
> drives will run at 160 mode again.
That's good to know. I was afraid there would be more hardware problems...
>
> > > However there's still one questions remaining: What is the sequencer
> > code for (what does it do?)?
>
> It handles the low level protocol communications between the controller
> card and the devices and it also is responsible for the majority of the
> communications between the card and the kernel level driver.
Thanks for the info, much appreciated...
Best regards
Peter K
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