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Newsgroups: comp.unix.bsd.freebsd.misc Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.mel.connect.com.au!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!news.magicnet.net!news.sprintlink.net!news-atl-21.sprintlink.net!news.sprintlink.net!news-hub.sprintlink.net!news.sprintlink.net!news-stk-11.sprintlink.net!hermes.is.co.za!NEWS!not-for-mail From: Roelof W Temmingh <roelof@cube.nanoteq.co.za> Subject: PCI support? Message-ID: <32867B2A.2781E494@cube.nanoteq.co.za> Date: Mon, 11 Nov 1996 03:02:34 +0200 X-Mailer: Mozilla 3.0 (X11; I; FreeBSD 2.1.0-RELEASE i386) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 18 I have recently upgraded my system from a 486DX100 to a Pentium 120. I am using a P/I - P55TVP4 motherboard. This mother board has 4 PCI slots and 3 ISA slots. It has an onboard PCI IDE controller, and also onboard support for 2 serial ports and 1 printer port.I am using a S3 Trio64 video card. At this moment everything is running fine. I have just one question: When I upgraded the system I thought I had to recompile the kernel and add PCI controller support: (controller pci0) I used the GENREIC kernel first - and it worked. I tried my old kernel, without PCI support, and it worked as well...It seems that the kernel detects the PCI IDE controller on the ISA bus. I had a look in the manual, and it said something about mapping the PCI device on the ISA bus. Like I said everything is working fine with this "mapping" - I only wonder if there is a performance downside to this? It feels to me as if this mapping isnt using the PCI bus - is it? BTW, is this a silly question?