Second IDE port not working on PC164

[Alan Young]

On Fri, 9 Apr 2004 10:57:05 -0400 Jay Estabrook <Jay.Estabrook at hp.com> wrote:

> On Thu, Apr 08, 2004 at 08:28:12PM -0700, Alan Young wrote:
> > On Thu, 8 Apr 2004 16:40:30 -0400 Jay Estabrook <Jay.Estabrook at hp.com> wrote:
> > 
> > > PYXIS is the core logic (north bridge equiv) on LX and SX (and MIATA).
> > > Under certain conditions, DMA traffic could cause the hardware to hang.
> > > Early MIATA had the most problems, LX and SX many fewer, and final MIATA
> > > (aka MIATA-GL) none to speak of, due to amount of add-on hardware fixes.
> > 
> > Are there any issues with a LX and cards with a PCI bridge chip on it?
> 
> Actually, bridges usually help the situation, by breaking up the DMA
> data transfers into smaller/shorter bursts. That's one reason why the
> MIATA has a built-in bridge.

That is interesting.  I've seen hard locks when I plug a USB hard drive
into the card.  It can take a minute or two under load for it to happen.
I'm not sure if this is driver related though.  The drive also has a
firewire connection and as I recall is much more stable.
I have a some lock ups with just a Apple USB keyboard.

> > The reason I ask is that I have a card that has USB, Firewire and
> > SATA on it.  They are behind the bridge and I never got the card
> > to work quite right.  USB 1.1 seems stable.  USB2 does a good
> > job at locking the box.  The SATA seems to get an I/O conflict -
> > "Error, MMIO ports already in use".  /proc/iomem shows the only
> > other device in the range is the bridge.  The PCI bridge chip is a
> > Hint Corp. HB1-SE33.
> 
> Any chance of seeing an "lspci -v" with that combo card installed?

Please see the attachement to this email.

> Also, what kernels have you tried on it?

2.4.22 was the last 2.4 kernel I tried with it.  I have also tried
2.6.0 and 2.6.1.

Thanks,
Alan

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