From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joshua Juran Subject: Re: [PATCH] Add SWIM floppy support for m68k Macs. Date: Tue, 4 Nov 2008 23:37:09 -0800 Message-ID: References: <6865D876-3805-41B4-A3AD-15E8659254F2@lvivier.info> <3E58F122-AA9F-11DD-9F63-00050249ADE1@kaffe.org> <20081104200600.GA32663@cynthia.pants.nu> Mime-Version: 1.0 (Apple Message framework v753.1) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from wf-out-1314.google.com ([209.85.200.168]:26614 "EHLO wf-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751399AbYKEHhO (ORCPT ); Wed, 5 Nov 2008 02:37:14 -0500 Received: by wf-out-1314.google.com with SMTP id 27so3696706wfd.4 for ; Tue, 04 Nov 2008 23:37:13 -0800 (PST) In-Reply-To: <20081104200600.GA32663@cynthia.pants.nu> Sender: linux-m68k-owner@vger.kernel.org List-Id: linux-m68k@vger.kernel.org To: Brad Boyer Cc: Riccardo , Laurent Vivier , geert@linux-m68k.org, linux-m68k@vger.kernel.org On Nov 4, 2008, at 12:06 PM, Brad Boyer wrote: > On Tue, Nov 04, 2008 at 07:34:41PM +0100, Riccardo wrote: >> I have a mac II, but I upgraded the SWIM chip, IIRC. I think I >> upgraded >> only one of the two drives to high density, but that shouldn't affect >> you I suppose, since the problem would be the chip. I'll look in my >> spare parts bin. > > I'm curious about how the chip update appears on the II. Does this > system > now show up as a IIx? My understanding is that the upgrade kit > included > a new set of ROM chips that include the same bits as the ones from > the IIx. > Hopefully there's a logical way to detect this upgrade, but it > would be > interesting to know if the update changes the gestalt ID. You would detect an upgraded ROM by reading the ROM, I imagine. In Genie, it's at /sys/mac/rom. By the way, does anyone know how to calculate a ROM checksum, or will I have to reverse-engineer CopyROM or somesuch? Josh