[Coco] "New" Coco 1 with keyboard and composite adapter

[Al Hartman]

Yes, thank you Luis!

Just ordered 5 of them on eBay for under $3.00 US. I figure 3 out of 5 
should be good.

-[ Al ]-

-----Original Message----- 
From: Luis Antoniosi (CoCoDemus)

You mean to replace the opamp ?

Just replace the LM741 IC for any of these:

http://www.petervis.com/Education/741_Pin_Compatible_Equivalent_Op_Amps/741_Pin_Compatible_Equivalent_Op_Amps.html

I use the TL081 and it works like a charm.


Luis Felipe Antoniosi



On Fri, Mar 13, 2015 at 10:40 AM, Al Hartman <alhartman6 at optonline.net>
wrote:

> That's not an HJL. I think it's a Keytronics MB-500. And, I've peeked
> under the shield as it had come loose in shipping, and the Extended BASIC
> is a ROM, not an EPROM.
>
> I want to put the mod into all three Coco I computers for the faster
> Drivewire. Can someone tell me what that is?
>
> -[ Al ]-