Date: Sat, 02 Nov 1996 11:43:26 -0700 From: Steve Passe <smp@csn.net> To: Mark Murray <mark@grondar.za> Cc: rgrimes@FreeBSD.ORG, hardware@FreeBSD.ORG Subject: Re: Looking for motherboard... Message-ID: <199611021843.LAA21798@clem.systemsix.com> In-Reply-To: Your message of "Sat, 02 Nov 1996 20:25:44 %2B0200." <199611021825.UAA08275@grumble.grondar.za>
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Hi, > Have you "stressed" the DRAM timing? x-y-y-y and all that. Tom's page talks > about trying your luck there. no, bios doesn't give that level of control. you get 2 settings: Auto-config: 60/70ns or 60ns, I use 60ns (with 60ns non-EDO memory) Fastest 60ns DRAM timing: NO/YES, I have to use NO, YES gives parity ERRORs and/or panics. > Things I don't like: > > bios won't let me assign specific INTs to PCI slots. this would be nice for my development efforts for the APIC... > bios thinks my stealth64 card is occupying a PCI INT. potentually wastes an INT, I haven't figured out the details yet, I just jockey around the "ISA reserved IRQs" in the BIOS and put it in the "right" slot till it causes me no harm: vga0 <VGA-compatible display device> rev 0 int a irq 9 on pci0:11 [ at this point ahc0 is also on irq 9, but SMP kernel uses direct APIC IRQ19: ] ahc0 <Adaptec aic7880 Ultra SCSI host adapter> rev 0 int a irq 19 on pci0:12 Freeing (NOT implimented) irq 9 for ISA cards. -- Steve Passe | powered by smp@csn.net | FreeBSD -----BEGIN PGP PUBLIC KEY BLOCK----- Version: 2.6.2 mQCNAzHe7tEAAAEEAM274wAEEdP+grIrV6UtBt54FB5ufifFRA5ujzflrvlF8aoE 04it5BsUPFi3jJLfvOQeydbegexspPXL6kUejYt2OeptHuroIVW5+y2M2naTwqtX WVGeBP6s2q/fPPAS+g+sNZCpVBTbuinKa/C4Q6HJ++M9AyzIq5EuvO0a8Rr9AAUR tBlTdGV2ZSBQYXNzZSA8c21wQGNzbi5uZXQ+ =ds99 -----END PGP PUBLIC KEY BLOCK-----
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