Subject: Re: obio attachment and Macs w/ two or more I/O controllers
To: Tim Kelly <hockey@dialectronics.com>
From: Chris Tribo <ctribo@college.dtcc.edu>
List: port-macppc
Date: 11/17/2004 20:29:16
On Wed, 17 Nov 2004, Tim Kelly wrote:

> Hi Chris,
>
> > I'm forwarding this to the list because my mail system is having
> > trouble sending email to Tim.
>
> Yes, I was noticing that your emails cc'd to the list were coming
> through, but not the ones straight to me. It's probably my mail/web
> host's problem. I've complained in the past that their spam filters will
> completely delete valid email with _no_ notication to the recipient. I
> hope to move to another hosting service soon.

	They were showing up as DNS not resolving errors from my mail
server, but I could resolve it fine from home so I don't know who's
malfunction it is.

> >Shortly after booting I had another
> > kernel DSI trap panic while reading the dmesg through an ssh
> > connection.
>
> Could you tell if it was related? Can you send a bt from ddb?

	Probably has to do with running a current kernel on a RC4
userland.

> > Begin forwarded message:
> >
> > > OK, I think I patched everything up correctly. From a serial console
> > > I don't get very far. According to OFW, serial channel a is
> > > printer/serial at IRQ 0xF 0x4 0x5, and channel b is the infrared
> > > port at irq 0x10 0x6 0x7
>
> I've been wondering what the extra serial port I was seeing in the
> second I/O controller was.

	The other macio only seems to have one channel enabled and it's
the internal modem (if installed)

> Works only if you don't have a device in the mediabay under the second
> I/O controller. I have to figure out how to deal with the interrupt
> issue. Otherwise the device should attach and be useable.

	If it means anything, there are physically two Heathrow chips on
the motherboard that are actually labeled Heathrow1 and Heathrow2. I
grabbed a Mainstreet motherboard and scanned it for you :) Grackle and the
ROM are on the CPU daughtercard.

http://user.dtcc.edu/~ctribo/mainstreet_mb.jpg


	There's a lot of info about the non-Powerbook implementation of
Mac-IO in here:

http://mail-index.netbsd.org/port-macppc/2004/11/12/0003.html