From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263378AbVGPHGK (ORCPT ); Sat, 16 Jul 2005 03:06:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263371AbVGPHGK (ORCPT ); Sat, 16 Jul 2005 03:06:10 -0400 Received: from hulk.hostingexpert.com ([69.57.134.39]:41893 "EHLO hulk.hostingexpert.com") by vger.kernel.org with ESMTP id S262262AbVGPHEv (ORCPT ); Sat, 16 Jul 2005 03:04:51 -0400 Message-ID: <42D8B196.8030208@m1k.net> Date: Sat, 16 Jul 2005 03:04:54 -0400 From: Michael Krufky Reply-To: mkrufky@m1k.net User-Agent: Mozilla Thunderbird 1.0.2 (Windows/20050317) X-Accept-Language: en-us, en MIME-Version: 1.0 To: David Hinds CC: somshekar.c.kadam@in.abb.com, linux-kernel@vger.kernel.org Subject: Re: Sandisk Compact Flash References: <20050715052139.GA7788@sonic.net> In-Reply-To: <20050715052139.GA7788@sonic.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - hulk.hostingexpert.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [0 0] / [47 12] X-AntiAbuse: Sender Address Domain - m1k.net X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org David Hinds wrote: >On Wed, Jul 13, 2005 at 07:04:38PM +0530, somshekar.c.kadam@in.abb.com wrote: > > >>I ma newbie to compactflash driver , I am using mpc862 PPC processor >>on my custom board having 64mb ram running linuxppc-2.4.18 kernel . >>i am using Sandisk Extreme CF 1GB which is 133x high speed, but >>found the performance with other kingston 1GB CF with slower speed , >>is both same , CF is implemented on pcmcia port , i am not sure what >>is the mode set for transfer , Feature set command is used in which >>it sets the PIO mode or Multiword DMA transfer mode by specifying >>its value in Sector count register , i am not able to understand in >>linux kernel ide driver where this is set , is it by default set , >>this mode is set or we need to set it , i think we should assign >>this value , right now i am not able to trace this in my code. , >> >> >It sounds like your card reader is one of the slow 16-bit ones. > I recommend picking up a CF-to-IDE adapter, such as this: http://www.acscontrol.com/Index_ACS.asp?Page=/Pages/Products/CompactFlash/IDE_To_CF_Adapter.htm ...It works great for me! There are a bunch of companies selling these... Google "cf ide adapter". -- Michael Krufky