Re: 8088 card issue

From: vossi <*vossi_at_ceffy.de*> Date: Thu, 19 Oct 2017 20:19:30 -0700 (MST) Message-ID: <1508469570820-0.post@n4.nabble.com> · vossi_at_ceffy.de

Hi Bill
william degnan wrote
> I have today put my CBM 256 up on the work table and ready to go if anyone
> needs me to run a test of the card.    I ran it for about 5 hours to
> freshen it up but the power supply is a little weak and it squeals for the
> first 10 minutes or so.
> Bill
> 
> On Thu, Oct 19, 2017 at 4:35 PM, Mia Magnusson &lt;

> mia@

> &gt; wrote:
> 
>> Den Thu, 19 Oct 2017 05:32:43 +0000 skrev "Baltissen, GJPAA (Ruud)"
>> &lt;

> ruud.baltissen@

> &gt;:
>> > Hallo Bill,
>> >
>> >
>> > > http://www.vintagecomputer.net/commodore/8088_co-
>> processor/CBM_8088_CPU_co-processor_schematic.pdf
>> >
>> > Thank you! This is the schematic that I have as well. Please notice
>> > the 74LS74 spare mentioned at the first page. But it is used on page
>> > 3.
>>
>> What did CBUG do to make these cards work?
>>
>> Were it just software, or also hardware changes?
>>
>> Does the 8088 boards contain some kind of patches soldered on to them?
>> If so, does it look like some "professional" did the job or does it
>> look more like a hobbyist did it?
>>
>> --
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>> (O.o) him achieve world domination.
>> (> <) Come join the dark side.
>> /_|_\ We have cookies.
>>
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>>


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