Re: Powerstack II

[Jochen Kunz <jkunz%unixag-kl.fh-kl.de@localhost>]

On Sun, 17 Jan 2010 20:43:09 +0100
Frank Wille <frank%phoenix.owl.de@localhost> wrote:

> In "http://mail-index.netbsd.org/port-prep/2005/01/16/0006.html"; you wrote
> about an "obscure" problem accessing the PCI bus. Was it DMA only?
IIRC yes.

> For me it looks like all PCI memory is read as 0xff.
IIRC the chipset only supports PCI IO space. PCI memory space should be
disabled when the PCI bus is attached. There are flags to en-/disable
memory and IO space when the MI PCI bus is attached.

> I have no idea what is going on here.
> Has somebody the 82660 PDF for me? I didn't find it on the net...
http://www.unixag-kl.fh-kl.de/~jkunz/tmp/82660_um.pdf
(I'll remove it tomorow.)

> I didn't find a jumper, but with an active terminator on both ends the error
> message disappears and the system just freezes during scanning the SCSI bus
> (probably because of the PCI memory problems).
Do you get interrupts?
-- 


tschüß,
       Jochen

Homepage: http://www.unixag-kl.fh-kl.de/~jkunz/