From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Grundler Subject: Re: [parisc-linux] Re: 2.6.4-rc1-pa3 siimage/NS87415 IDE progess (and another mystery)! Date: Mon, 12 Jul 2004 21:56:32 -0600 Message-ID: <20040713035632.GA27696@colo.lackof.org> References: <20040309072917.GN1113@tausq.org> <20040711221829.GA27835@colo.lackof.org> <20040711231401.GW546@tausq.org> <20040711233439.GX546@tausq.org> <20040712033752.GA10163@sal.ucc.ie> <20040712041935.GA10211@sal.ucc.ie> <20040712161444.GB12046@colo.lackof.org> <20040712185132.GB11805@sal.ucc.ie> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: parisc-linux@lists.parisc-linux.org To: "M. Grabert" Return-Path: In-Reply-To: <20040712185132.GB11805@sal.ucc.ie> List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: parisc-linux-bounces@lists.parisc-linux.org On Mon, Jul 12, 2004 at 07:51:32PM +0100, M. Grabert wrote: > > If the IDE controller is NOT prefetching data into a local buffer, > > I don't think it will be able to efficiently burst data across > > the PCI bus. > > Ah, and you fixed prefetching with the latest patch? Now I understand > the issue ... I don't think so. I think I've got the various parts of the IDE controller to NOT prefetch. You need to read the 87560.pdf file that is available from the parisc-linux.org Tech Docs page. Then you'll know as much as I do about this IDE controller. I'm really clueless about how IDE works internally. grant _______________________________________________ parisc-linux mailing list parisc-linux@lists.parisc-linux.org http://lists.parisc-linux.org/mailman/listinfo/parisc-linux