[Coco] CM-2 260-3212 color monitor with coco 3?

[Walter Miraglia]

Do you have a link or web page for this device?
That would be great if you could post some info. 

Cheers!



> On Sep 19, 2015, at 5:44 PM, Barry Nelson <barry.nelson at amobiledevice.com> wrote:
> 
> According to what I have found the CM-2 appears to use an RGBI interface as opposed to the CoCo 3's analog RGB. RGBI is limited to 16 colors and the signal level is TTL 0 or 5 volts digital. The CoCo 3's RGB line signals are 0 to .7 volts analog. You could construct a circuit to interface the two, but the CoCo 3 can display 64 colors and that monitor can only display 16. I suggest using another solution like my CoCo 3 to HDMI adapter cable to display on a modern display in full color. I am including the CM-2 pinout below.
> 
> Pin    Name    Description
> 1    GND    Ground
> 2    GND    Ground
> 3    R    Red
> 4    G    Green
> 5    B    Blue
> 6    I    Intensity
> 7    RES    Reserved
> 8    HSYNC    Horizontal Sync
> 9    VSYNC    Vertical Sync
> 
> 
>> Walter Miraglia walter.miraglia at gmail.com 
>> Just wondering.  I recently acquired a Tandy 1200 HD which came with a CM-2 colour monitor and I am wondering, if I make the appropriate cable, will this monitor work with my COCO3?
>> 
>> The monitor is at my brother in law's place about 5.5 hour drive away... So wondering if it's worth the drive or if it can wait until thanksgiving in October. (Canadian here eh!)
>> 
>> Cheers!
> 
> 
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