Date: Thu, 26 Jun 1997 12:30:11 -0700 From: "Jin Guojun[ITG]" <jin@george.lbl.gov> To: freebsd-hardware@FreeBSD.ORG, jinouye@cse.ogi.edu Subject: Re: IRQ assignment for PII motherboards Message-ID: <199706261930.MAA09301@george.lbl.gov>
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This is no a real BIOS problem. Two ways to solve it: (1) boot -c irq xxx # xxx is either your SCSI or Ethernet devices name # is any non-shared irq. (2) recompile your kernel. Please refer the freebsd manual. -Jin >We just received two machines using Pentium II motherboards >(Intel PD440FX) with AMI BIOS 1.00.04.DT0. The problem is the >BIOS configures the PCI SCSI and Ethernet devices to share the >same IRQ. While WindowsNT device drivers appear to have no problem >with this (IRQ sharing is part of the PCI spec), some Linux and FreeBSD >drivers do. There are some free IRQs, but the BIOS assignment appears >to be non-user-configurable. I've looked for a SCU (System Configuration >Utility) program for this motherboard on the Intel developers web >site without success. Moving boards around and disabling the COM, USB, >and LPT devices didn't help either. > >The current solution is removing the SCSI controller and going with >an IDE disk. I'd appreciate any other suggestions or pointers to >a SCU program I can use!
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