[Coco] Drivewire client for OS9/68K

[Joel Ewy]

On 08/30/2010 10:32 PM, Arthur Flexser wrote:
> I wouldn't be surprised if those clock chips are still fine.  They were
> rated for 10 years of use, and before first usage are in a low
> power-consumption sleep mode.
>
>    

I've wondered about that.  How long do lithium batteries last on the shelf?

JCE

> Art
> On Mon, Aug 30, 2010 at 8:59 PM, Joel Ewy<jcewy at swbell.net>  wrote:
>
>    
>> I've got a rail or two of those Dallas clock chips, unused.  But the
>> batteries in them are just as old as yours.  ISTR that those Dallas chips
>> use a compatible pinout to that Motorola RTC that doesn't have a battery.  I
>> wonder if you could pull the clock out of an old '286 or '386 PC
>> motherboard, bend a couple pins out, and strap a battery on the back of
>> it...
>>
>> JCE
>>
>>
>> ----- Original Message ----- From: "Joel Ewy"<jcewy at swbell.net>
>>      
>>> To: "CoCoList for Color Computer Enthusiasts"<coco at maltedmedia.com>
>>> Sent: Saturday, August 28, 2010 12:22 PM
>>> Subject: Re: [Coco] Drivewire client for OS9/68K
>>>
>>>
>>> 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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>>>>>
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