Curiosity, what firmware on the 9201 card?

- Rich

On Fri, Jun 29, 2012 at 7:00 PM, Chad Cantwell <[email protected]> wrote:
> By a stroke of luck I found a (hardware) solution to the problem.  The chenbro
> chassis has an "LED board" that uses a small signal cable to connect the 
> backplanes
> together.  I found that with a backplane detached from the LED board, the
> activity LEDs on that backplane would work immediately.  It turned out that
> one of the settings on the LED board was a dip switch on the board which 
> toggles
> "HDD staggered spinup" (default off).  I believe the board must try to turn 
> this
> off through some manipulation of HDD pin#11, which apparently is used either 
> for
> disk activity or for staggered spinup (or both?) depending on implementation 
> by
> manufacturer.  By flipping the staggered spinup switch to the on position, now
> all disks indicate activity normally on the backplanes and LED board.
>
> Chad Cantwell
>
>
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