Date: Tue, 13 Apr 1999 14:27:50 -0700 From: Mike Smith <mike@smith.net.au> To: Dennis <dennis@etinc.com> Cc: hackers@freebsd.org Subject: Re: PCI burst determination Message-ID: <199904132127.OAA01257@dingo.cdrom.com> In-Reply-To: Your message of "Tue, 13 Apr 1999 09:21:20 EDT." <199904131427.KAA03942@etinc.com>
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> > Is there a way to determine the max burst of the PCI bridge on the > MB for controller optimization? I dont see a fuction...is it stored > somewhere? PCI is arbitrated with a latency timer, so there is no maximum burst length per se. As for limitations in the bridge chipset, you're probably going to want to look up the documentation for the individual bridges. However, having said, that, as a general rule with PCI bursting "longer is better". -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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