[Coco] MPI help needed

[Al Hartman]

An unmodified MPI won't work correctly on a Coco 3. It needs the PAL chip 
upgrade, or Marty Goodman had a mod with discrete chips.

-[ Al ]-

-----Original Message----- 
From: tonym

Seem like something someone like Mark can fix? I'd hate to think I threw out 
$72...

Tony
tonym at compusource.net


---- Original Message ----
From: "Bill Nobel" <b_nobel at hotmail.com>
Sent: 6/10/2014 11:42:09 PM
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Subject: Re: [Coco] MPI help needed

Anyways, tonym,  I think you might have a dead mpi.  Really sounds like the 
selection hardware is gone.

Bill Nobel

On Jun 10, 2014, at 9:28 PM, tonym <tonym at compusource.net> wrote:

> Tried what you said before, rompak in slot 3, switch set to 1.
> type poke &HFF7F,&H22, and the ROMPAK immediately fired up (Mega Bugs)
>
> Just to clarify, no matter WHAT slot # the switch is set to, ROMpak works 
> in slot 1.
> And does not work in the slot the switch is set to.
>
> Tony
> tonym at compusource.net
>
>
> ---- Original Message ----
> From: "Arthur Flexser" <flexser at fiu.edu>
> Sent: 6/10/2014 11:12:13 PM
> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> Subject: Re: [Coco] MPI help needed
>
> Another possibility is that the autostart has been deliberately or
> accidentally disabled on slots other than 1.  You could try setting the
> switch to a slot other than the one that works, putting a rompak in that
> slot, and then trying EXEC&HE010 to see if that starts up the rompak.
>
> Art
>
>
> On Tue, Jun 10, 2014 at 10:47 PM, tonym <tonym at compusource.net> wrote:
>
>> OK gents...
>>
>> Need an assist... Pulled out an old grey -3024 (not yet modified) out of
>> the mothballs.
>> Plugged it in, into a coco3. Can't get anything but slot 1 to work, no
>> matter WHAT slot the switch is on.
>>
>> Using a rompak, tried all 4 slot, using their respective switch position,
>> only slot 1 worked.
>>
>> Putting switch on slot 2, pak works in slot 1, same thing for switch to
>> slot 3, slot 1 works, same with switch set to slot 4, slot 1 works.
>>
>> Any ideas?
>>
>> Tony
>> tonym at compusource.net
>>
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