Hi, I freely admit that I have not read the PCI spec. Yes, I do realize
that anything on the "south bridge" (oops, betraying my Intel based
experience)
will be on a PCI bus, including these on board peripherals. On the good
ol' PC, BIOS can suppress these peripherals, and the Windows device
manager can disable them as well (drivers are unloaded).
I actually have NO card plugged into PCI slots, but as you say
I'm sure several peripherals are on a PCI bus (e.g. network controller).
What I need to know is how to suppress these onboard peripherals on
MacOSX. I have not seen any interface for doing this...
Having said this, somehow I doubt it pertains to my observed issue here,
but it would be useful to know this for the future.
thanks,
Philip Lukidis
-----Original Message-----
From: David Frith [mailto:email@hidden]
Sent: Tuesday, October 11, 2005 9:16 AM
To: email@hidden
Subject: RE: onboard 1394 OHCI controller error
Philip,
I don't know much about the PCI architecture on Macs but I do know that
some PC motherboards have on board peripherals which share the PCI bus.
So having nothing else plugged into the other PCI slots does not
necessarily mean there is no other PCI traffic on your bus.
We have even found that some server machines with multiple PCI slots
actually have more than one PCI bus and into which slot you choose to
put your card makes a difference. Finding out which slot to use can be
by trial and error (unless the Motherboard manufacturer has chosen to
share its specification with the world - Intel have but others have
not).
Does this happen on Macs?
Hope this helps,
David Frith, Principal Engineer,
Fujifilm Electronic Imaging, Boundary Way,
Hemel Hempstead, Herts, HP2 7RH. UK.
Email: email@hidden
Tel: (+44)(0)1442 343083
-----Original Message-----
From: firewire-bounces+david.frith=email@hidden
[mailto:firewire-bounces+david.frith=email@hidden] On
Behalf Of Philip Lukidis
Sent: 11 October 2005 13:39
To: B.J. Buchalter; email@hidden
Subject: RE: onboard 1394 OHCI controller error
Sorry for the delay in answering, my email server had tremendous
problems.
Knock on wood, it is much better now.
Interesting comments, but I don't have any such PCI devices installed.
Unfortunately, this problem alternates with another issue: my listen DCL
callbacks simply STOP being invoked. Not only this, but another FW
audio product locked the machine when left streaming overnight.
Unfortunately, I only have this issue on this one machine, so thus far
I'm not sure what the issue is.
OT: I'm new to MacOSX, so this is basic question: Is there a way to
disable to onboard network card (or any other device) through some sort
of device manager? My test machine is pretty bare bones, but I might as
well give it a try.
thanks,
Philip Lukidis
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