Hi Bill,

Hopefully the new PRAM battery will fix things up.

If not - and you want to move to a newer OS9 capable machine - then, yes,
you can go from USB to serial with an adaptor, eg:

<http://www.amazon.com/Keyspan-Speed-Serial-Adapter-USA-19HS/dp/B0000VYJRY>

Note - this is just an example - there may well be better deals out there
and there will be other adaptors also.


HTH


Cheers




Neil
-- 
Neil R. Houghton
Albany, Western Australia
Tel: +61 8 9841 6063
Email: [email protected]





on 21/1/11 10:21 AM, Bill Parker at [email protected] wrote:

> 
> Many thanks Dave.  Battery in transit.
> 
> Bill
> On 21/01/2011, at 10:05 AM, David Paul wrote:
> 
>> 
>> Hi Bill
>> 
>> Macfixit.com.au and epowermac.com.au still have them listed as
>> available and
>> on discount.
>> 
>> Regards
>> Dave
>> 
>> 
>> On 21/01/11 9:45 AM, "Bill Parker" <[email protected]> wrote:
>> 
>>> 
>>> Hi Kevin
>>> 
>>> I have tried USA and UK to get a new PRAM battery. ( listed around
>>> $25
>>> AUD)    No luck.  The next suggested solution is another machine.
>>> The
>>> issue is that the lab equipment we use runs via a  serial port .  So
>>> any machine compatible and with OS9 with serial porting would do.  Or
>>> is there a way of going from a serial port to USB?   I'd need to pull
>>> the HD from the old 7220 of course. Can you help there?
>>> 
>>> 
>>> Bill
>>> On 18/01/2011, at 12:35 PM, KEVIN Lock wrote:
>>> 
>>>> 
>>>> If I remember correctly, the PRAM battery for that machine is a
>>>> square, quite expensive one.  In the distant past I have made up a
>>>> battery with three AAA cells rewired to the  original wire.
>>>> Alternatively you should be able to get an early iMac which will run
>>>> sweetly on OS 9.
>>>> 
>>>> regards
>>>> 
>>>> Kevin
>>>> 
>>>> 
>>>>> Hi Bill,
>>>>> 
>>>>> I had one of those machines and I found that if the PRAM battery
>>>>> died the machine would not start, so its worth putting in a new one
>>>>> to be sure.
>>>>> 
>>>>> 
>>>>> Regards,
>>>>> 
>>>>> Adrian
>>>>> [email protected]
>>>>> 
>>>>> On 18/01/2011, at 1:04 PM, Bill Parker wrote:
>>>>> 
>>>>>> 
>>>>>> Folks,
>>>>>> 
>>>>>> 
>>>>>> I have an ancient 7220/200 attached to a bit lab equipment at UWA.
>>>>>> It's "dead".  We think this might have had something to do with a
>>>>>> power surge then outage over Xmas.
>>>>>> 
>>>>>> 
>>>>>> We could change to a more recent machine, but it must be capable
>>>>>> of running OS9.
>>>>>> 
>>>>>> Could this  be a dead PRAM battery?   If co, any ideas on where to
>>>>>> get one appreciated.
>>>>>> 
>>>>>> Bill
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> Dr Bill Parker
>>>>>> "The greatest enemy of the truth is not the lie - deliberate,
>>>>>> contrived, and dishonest - but the myth - persistent, pervasive,
>>>>>> and unrealistic."
>>>>>> John F. Kennedy
>





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