Date: Tue, 20 Aug 1996 14:32:10 -0700 From: David Greenman <dg@root.com> To: Jim Shankland <jas@flyingfox.COM> Cc: freebsd-hardware@freebsd.org Subject: Re: ASUS SC200 SCSI card? Message-ID: <199608202132.OAA03267@root.com> In-Reply-To: Your message of "Tue, 20 Aug 1996 14:03:38 PDT." <199608202103.OAA07838@saguaro.flyingfox.com>
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>I'm building up a couple of systems around the Asus P55T2P4 >mainboard and a P133 CPU. I had planned on adding the Asus >SC200 SCSI card, which is built around the NCR53C810; but the >local computer shop recommended against that, saying that the >SC200 must use IRQ0, and that I will therefore have trouble if I >try to run non-Microsoft operating systems. I'm afraid I don't >know enough about the PCI bus architecture even to know if this >is gibberish or not. (Hey, at least they know there *are* >non-Microsoft OS's!) I've also seen references to the NCR SCSI >BIOS, but I'm unclear on whether this is an extra-cost option >or not. > >Can anyone help shed some light here? It's gibberish. irq0 is the clock/timer interrupt and has nothing at all to do with the NCR controller. Using it for the NCR would be a configuration error. The second part of your question...yes, your motherboard must have the "NCR SCSI BIOS" in order for you to boot from the NCR. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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