Re: pci configuration

From: Scott Long <scottl_at_freebsd.org>
Date: Tue, 12 Aug 2003 19:55:22 -0600
Doug White wrote:
> On Tue, 12 Aug 2003, Petri Helenius wrote:
> 
> 
>>Is there way to view PCI / PCI-X configuration with bus-width and clock
>>values when FreeBSD has already booted?
> 
> 
> If you know where in PCI config space to look you could use pciconf to
> query it.  Can't say I've heard of PCI speed negotiation issues, though.
> 

I'm not aware of any registers in the standard PCI config space that
will tell you the speed of the bus.  Some PCI devices will make that
information available, but not in a standard way.  The BIOS of some
higher-end systems might also tell you this information.

Scott
Received on Tue Aug 12 2003 - 16:55:18 UTC

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