Date: Sun, 06 Jul 1997 17:56:25 -0700 From: David Greenman <dg@root.com> To: Simon Shapiro <Shimon@i-Connect.Net> Cc: FreeBSD-Hackers@FreeBSD.ORG Subject: Re: PCI Bridge Question Message-ID: <199707070056.RAA18675@implode.root.com> In-Reply-To: Your message of "Sun, 06 Jul 1997 16:36:19 PDT." <XFMail.970706163619.Shimon@i-Connect.Net>
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>1. Upon booting on a SuperMicro P6DNH (dual Pentium, 8 PCi Slots, etc.), > and having an Intel EtherPro 100B installed ``across the bridge'', one > gets: > >fxp0 <Intel EtherExpress Pro 10/100B Ethernet> rev 2 int a irq 9 on >pci0:19 >fxp0: Ethernet address 00:a0:c9:6b:2c:e1 >chip3 <generic PCI bridge (vendor=8086 device=0960 subclass=4)> rev 1 on >pci0:20 >:0 >pci0:20:1: Intel Corporation, device=0x1960, class=memory (misc) int a irq >10 [n >o driver assigned] >Probing for devices on PCI bus 1: >fxp1 <Intel EtherExpress Pro 10/100B Ethernet> rev 2 int a irq 10 on pci1:0 >pci_map_mem failed: device's memrange 0xff9ff000-0xff9fffff is incompatible >with > its bridge's memrange 0xfd200000-0xfd6fffff >fxp1: Ethernet address 00:a0:c9:6b:8e:b6 > > What can I do to make this work? Did you verify that it actually doesn't work? From the above, the device appears to have been mapped and attached okay. >2. Said machine has 256MB of RAM, another has ``only'' 128MB, etc.. > Can I configure ONE kernel, with `options "MAXMEM=(256*1024)" ' and > have things work nicely, still? Yes. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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