From owner-freebsd-hackers Fri Dec 29 15:23:34 1995 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id PAA21471 for hackers-outgoing; Fri, 29 Dec 1995 15:23:34 -0800 (PST) Received: from Root.COM (implode.Root.COM [198.145.90.17]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id PAA21466 for ; Fri, 29 Dec 1995 15:23:30 -0800 (PST) Received: from corbin.Root.COM (corbin [198.145.90.50]) by Root.COM (8.6.12/8.6.5) with ESMTP id PAA14352; Fri, 29 Dec 1995 15:23:24 -0800 Received: from localhost (localhost [127.0.0.1]) by corbin.Root.COM (8.7.3/8.6.5) with SMTP id PAA02917; Fri, 29 Dec 1995 15:23:26 -0800 (PST) Message-Id: <199512292323.PAA02917@corbin.Root.COM> To: Rashid Karimov cc: techadm@elvisti.kiev.ua, hackers@freebsd.org Subject: Re: ASUS P6/Pro MB and P6-200 In-reply-to: Your message of "Fri, 29 Dec 95 14:43:38 EST." <199512291943.OAA10908@rk.ios.com> From: David Greenman Reply-To: davidg@Root.COM Date: Fri, 29 Dec 1995 15:23:26 -0800 Sender: owner-hackers@freebsd.org Precedence: bulk >> The biggest problem with the ASUS P6 motherboard is the poor PCI >> performance. DMA writes to memory are very slow because the PCI write buffer >> is disabled. It's disabled to work around a bug in the Intel Orion chipset >> that causes the data to get corrupted if it is enabled. With it disabled, the >> top performance of PCI DMA writes to memory is about 4.4MB/sec. This is too >> slow for fast (100Mbit) ethernet, for example, and causes half of the packets >> to get dropped. > > Hmmm ... interesting ... does it mean that those ppl from ASUS > will come up with some workaround for it later - when the problem > will be fixed , or I will have to live with this sad limit ? :) A question that we both eagerly await an answer to. :-) All indications at this time are that they *will* upgrade the motherboard when the problem is fixed. -DG