From owner-freebsd-hackers Fri Aug 8 07:21:06 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id HAA20811 for hackers-outgoing; Fri, 8 Aug 1997 07:21:06 -0700 (PDT) Received: from horst.bfd.com (horst.bfd.com [204.160.242.10]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id HAA20806 for ; Fri, 8 Aug 1997 07:21:03 -0700 (PDT) Received: from harlie.bfd.com (bastion.bfd.com [204.160.242.14]) by horst.bfd.com (8.8.5/8.7.3) with SMTP id HAA29486; Fri, 8 Aug 1997 07:20:48 -0700 (PDT) Date: Fri, 8 Aug 1997 07:20:48 -0700 (PDT) From: "Eric J. Schwertfeger" To: Tom Samplonius cc: John-Mark Gurney , hackers@FreeBSD.ORG Subject: Re: AUTO_EOI_* ? In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Thu, 7 Aug 1997, Tom Samplonius wrote: > On Thu, 7 Aug 1997, John-Mark Gurney wrote: > > > Tom Samplonius scribbled this message on Aug 7: > > > > > > It seems that the AUTO_EOI_* options might speed interupt handling. > > > I've tried them on some motherboards, and they seem to work ok. Are these > > > options recommended? I've seen some talk that these options should be > > > eliminated? > > > > well... don't make AUTO_EOI_2 enabled by default... I have a motherboard > > that dies when this option is enabled... though I haven't found one yet > > when AUTO_EOI_1 is enabled... the comments say that AUTO_EOI_1 will > > break suspend/resume on some notebooks... so it looks like we can't > > enable both by default... > > Every motherboard I've tried it on works fine, even an old EISA 486 > motherboard, but all the boards I tested were made by ASUS... It doesn't work on a few of my older Pentium MBs, but seems to work on anything based on the HX/VX chipsets (or newer from Intel) and maybe the FX (not sure, I thought I had problems with it).