Re: 906114-4 and 5

From: Charlie (charles.lynch_at_ns.sympatico.ca)
Date: 2008-11-30 14:24:44

Thanks, I`ll check it out.  I have an image. Charlie
----- Original Message ----- 
From: <r.lagendijk@hccnet.nl>
To: <cbm-hackers@ling.gu.se>
Sent: Sunday, November 30, 2008 8:23 AM
Subject: Re: 906114-4 and 5


> Maybe this is a starting point. But you need an image of a working PLA I
> think.
>
> http://staff.washington.edu/rrcc/uwweb/eprompla/
>
> Richard
>
>
> Op Zo, 30 november, 2008 1:01 pm schreef Charlie:
>> Hi Again,
>> I really need to find someone who can burn these chips or someone who can
>> point me in the direction of getting the proper equipment and 
>> instructions
>>  to use it. Charlie
>> ----- Original Message -----
>> From: "B Degnan" <billdeg@degnanco.com>
>> To: <cbm-hackers@ling.gu.se>
>> Sent: Saturday, November 29, 2008 10:44 PM
>> Subject: Re: 906114-4 and 5
>>
>>
>>
>>> Charlie,
>>>
>>>
>>> I retract my earlier statement upon receipt of new information.
>>>
>>>
>>> Here is what is printed on the PLA's for the CBM high profile systems
>>> that I have:
>>>
>>>
>>> 906114-04
>>> CBM2 LP 4 PLA
>>> HIGH BOY
>>> (known to work with the 8088 co-processor in a B700 prototype)
>>>
>>>
>>> 906114-05
>>> HIGH BOY
>>> 62E5
>>> (found in 3 CBM 256-80 systems; 2 with and one without with the 8088
>>> co-processor)
>>>
>>> Given the evidence the 906114-05 will work in the non 8088 CBM 256-80
>>> and this is the PLA you want.   I do not have any systems with the -01,
>>> I was
>>> mistaken.  Thus I can't say that the -01 will help you.
>>>
>>> Bill
>>>
>>>
>>> Bill Degnan wrote:
>>>
>>>> I can check one of mine to see what's in there. In the meantime I'll
>>>> bet that YES the -1 version will work, perhaps the later revs were
>>>> updated to accommodate the 8088, and if I am correct the -1 is just a
>>>> production PLA for the CBM 256-80.  I checked the CBM ROM genealogy,
>>>> it's not a ROM, and it's not there.
>>>>
>>>> I will check asap.
>>>>
>>>>
>>>> bd
>>>>
>>>>
>>>>>
>>>>>
>>>>>
>>>>>> Charlie wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>> Do you know anyone who can do that for me?
>>>>>>>
>>>>>>>
>>>>>> I was going to have a look, but probably I can only source
>>>>>> 906114-1
>>>>>> just like Rolf offered. Does the rev. 4 and 5 only exist in
>>>>>> hi-profile 8088 equipped machines?
>>>>>>
>>>>>>
>>>>>>
>>>>
>>>
>>>
>>>
>>> Message was sent through the cbm-hackers mailing list
>>>
>>>
>>
>>
>>
>> Message was sent through the cbm-hackers mailing list
>>
>>
>
>
> -- 
>
> www.richardlagendijk.nl
>
>
>       Message was sent through the cbm-hackers mailing list
> 



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