[Coco] Drivewire client for OS9/68K

Bob Devries devries.bob at gmail.com
Sat Aug 28 01:16:47 EDT 2010

My MM/1 is a 3Meg version; the I/O board has 2 MB and the main board 1MB. 
The "backplane" is the type with no smarts on it; just the two connectors 
for the boards, and the power connectors.

The I/O board on this one has the annoying problem of needing to warm up 
before the SCSI hard drive can be used. Once warmed up though, it runs fine, 
expect for one glitch.... If I reset the computer, it restarts with a 
completely wrong color set. I don't know if that's a software problem, or 

Regards, Bob Devries
Dalby, QLD, Australia

----- Original Message ----- 
From: "Joel Ewy" <jcewy at swbell.net>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Saturday, August 28, 2010 2:54 PM
Subject: Re: [Coco] Drivewire client for OS9/68K

> On 08/27/2010 11:38 PM, Sean wrote:
>> Are there any estimates as to how many MM/1 machines were
>> produced/sold?  I really wanted one (too young with no money), and I
>> got to see one at a Rainbowfest.
> I don't know, but I've still got parts to build good memory expansion 
> boards and buggy v. 3 I/O boards if anybody has an un-expanded MM/1 
> mainboard...
>> On Fri, Aug 27, 2010 at 9:22 PM, Joel Ewy<jcewy at swbell.net>  wrote:
>>> On 08/27/2010 07:56 PM, Bob Devries wrote:
>>>> Hi all,
>>>> what are the chances of a drivewire client being built for OS9/68000? 
>>>> The
>>>> (extended) MM/1 is well endowed with serial ports via the 68070, 68901 
>>>> and
>>>> 68681 chips. I'm sure they'd be capable of the speek necessary.
>>> Bob, you and I may be the only two people on this list who still have
>>> working MM/1 systems (though I'd love to be proven wrong) and I need to 
>>> put
>>> a 'new' hard drive in mine.  Fortunately I have a small supply of SCSI
>>> drives from old Macs.  I really need to figure out how to use a SCSI ZIP
>>> drive on the MM/1 though, so I have some reasonable way to back it up...
>>>   But Drivewire would really help that situation as well.  I would love 
>>> to
>>> have a DW client for the MM/1.
>>>> I notics that it is no longer possible to browse the source tree of
>>>> NitrOS9; else I'd have a go myself at trying to build a 68K version.
>>> Time permitting, I'd be willing to help in the porting effort.  My
>>> experience in 68000 assembler is limited to a few exercises in a class 
>>> about
>>> 20 years ago, and my C is only marginally better by most reasonable
>>> standards, but there's some motivation to learn.
>>> JCE
>>>> Regards, Bob Devries
>>>> Dalby, QLD, Australia
>>>> --
>>>> Besides a mathematical inclination, an exceptionally good mastery of 
>>>> one's
>>>> native tongue is the most vital asset of a competent programmer.
>>>> Edsger W.Dijkstra, 18 June 1975
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