[Coco] RE: [Color Computer] Looking for a Coco I 64k?

Jan Vanden Bossche jan80 at scarlet.be
Sat Nov 12 13:29:23 EST 2005


Hallo,

Well, I have a TRS-80 model 4P with 512 KB RAM in it. But I wouldn't
call that a standard machine. The OP didn't say where the modifications
came from, so I assumed he thought they were standard Tandy. The're not,
AFAIK.

Interesting machine, though. The Video Out should be interesting,
especially if the wiring diagram is included.

Greetings from the TyRannoSaurus
Jan-80


-----Original Message-----

> I had a COCO1 with 128k ram on it.
> I bought a kit and  put it in and bank switched the memory 32k
> at a time with a memory manager
> it was all the rage in 83.

-----Original Message-----
From: ColorComputer at yahoogroups.com
[mailto:ColorComputer at yahoogroups.com]On Behalf Of Jan Vanden Bossche
Sent: Friday, November 11, 2005 5:19 PM
To: ColorComputer at yahoogroups.com
Subject: RE: [Color Computer] Looking for a Coco I 64k?



Hallo,

> -----Original Message-----
> 
> I have a Coco I 64k with the chicklet keyboard.

AFAIK, there was no such thing. As I recall, the maximum RAM for a Coco
I was officially 32 K. But because Tandy used 64 KB memory modules, you
actually could use 64 KB RAM, but not supported or guaranteed by Tandy.
Actually, the chips they used were - by rumour - out of spec RAMchips.

> I think this unit even has a Video Out Adapter
> preinstalled.

Never seen that standard on a Tandy Cococ. Didn't know it was an option.
Couls you post photos, somewhere ?

> Al

Greetings from the TyRannoSaurus
Jan-80 > 



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