[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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