From owner-freebsd-hardware Wed Jan 10 15: 1:35 2001 Delivered-To: freebsd-hardware@freebsd.org Received: from lariat.org (lariat.org [12.23.109.2]) by hub.freebsd.org (Postfix) with ESMTP id 0EC8B37B69B; Wed, 10 Jan 2001 15:01:19 -0800 (PST) Received: from mustang.lariat.org (IDENT:ppp0.lariat.org@lariat.org [12.23.109.2]) by lariat.org (8.9.3/8.9.3) with ESMTP id QAA04187; Wed, 10 Jan 2001 16:01:13 -0700 (MST) Message-Id: <4.3.2.7.2.20010110160001.049aa810@localhost> X-Sender: brett@localhost X-Mailer: QUALCOMM Windows Eudora Version 4.3.2 Date: Wed, 10 Jan 2001 16:01:09 -0700 To: Mike Smith From: Brett Glass Subject: Re: Intel EtherExpress 16 code? Cc: "Matthew N. Dodd" , hardware@FreeBSD.ORG In-Reply-To: <200101102145.f0ALjCg00858@mass.osd.bsdi.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org At 02:45 PM 1/10/2001, Mike Smith wrote: >... except that I/O cycles on the ISA bus are twice as expensive as >memory cycles, so rep movw is actually better. Nope; according to Annabooks' timing guide, they're 1.5 times as expensive IF you don't pull the "0 wait" line. --Brett To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message