From owner-freebsd-hackers Mon Dec 7 13:05:51 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id NAA15528 for freebsd-hackers-outgoing; Mon, 7 Dec 1998 13:05:51 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from panzer.plutotech.com (panzer.plutotech.com [206.168.67.125]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id NAA15521 for ; Mon, 7 Dec 1998 13:05:49 -0800 (PST) (envelope-from ken@panzer.plutotech.com) Received: (from ken@localhost) by panzer.plutotech.com (8.9.1/8.8.5) id OAA07499; Mon, 7 Dec 1998 14:05:34 -0700 (MST) From: "Kenneth D. Merry" Message-Id: <199812072105.OAA07499@panzer.plutotech.com> Subject: Re: write combining memory on pci In-Reply-To: from "Ron G. Minnich" at "Dec 7, 98 03:48:33 pm" To: rminnich@Sarnoff.COM (Ron G. Minnich) Date: Mon, 7 Dec 1998 14:05:34 -0700 (MST) Cc: hackers@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL28s (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Ron G. Minnich wrote... > any good ideas on how to turn this on in 3.0 for a given memory address > range? Isn't there usually a BIOS option to do that? I think it's called USWC or something like that. (Uniform Speculative Write Combining?) I don't think it generally covers a specific address range, though. Ken -- Kenneth Merry ken@plutotech.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message