Not entirely... Linux does indeed care where a resource is on
the PCI bridge, as it's given a unique name. If the resource
isn't at that address, but a new resource with a different address
but the same name is in place, it will assume that it is the same
resource. For example, if I have a PCI Nic and move it from one PCI
slot to another, it will assume it's the same nic. If I have two identical
PCI nics, and move them BOTH, it will confuse the heck out of
Linux... I'll need to specify which interfaces are which. In my
own specific experience, I've had this happen with two otherwise
identical nics at PCI device 14 and 16 moving to 13 and 15.
Still haven't got it quite right...
Bill Ward
-----Original Message-----
From: Edward Schernau [mailto:[EMAIL PROTECTED]]
Sent: Monday, December 27, 1999 10:23 AM
To: [EMAIL PROTECTED]
Cc: recipient.list.not.shown; @nswcphdn.navy.mil
Subject: motherboard vs. Win9x (was AMD K6)
I believe its some way that Win9x enumerates all your motherboard
and PCI resources, that causes this weirdness when you upgrade your
motherboard.
I just went from a K6-233 --> ABit BP6 dual celeron, and it ended
up redetecting a lot of things (PCI bridge, "motherboard resources",
etc. etc.) and detected (of course) the NEW things as well, like
the AGP <-> CPU bridge, and all that crap. If you move PCI cards
around, Win9x will "redetect" them. This leads to the annoying
little yellow ! signs in Control Panel, as you end up with 2 NICs,
or 2 VGA cards, one of which doesn't work, etc. etc.
Linux doesnt seem to care WHERE a PCI card is, or if you install
a new motherboard with a different bridge chip. Linux cares THAT you
have a PCI NIC, for instance, but not WHERE it lives.
I guess this is a Win9x feature...
--
Edward Schernau http://www.schernau.com
Network Architect mailto:[EMAIL PROTECTED]
Rational Computing Providence, RI, USA
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