[Coco] Upgrading RAM for CoCo 1

[Arthur Flexser]

You realize that it's normal for PRINT MEM to show something like 8K in a
16K CoCo?  (PRINT MEM is only showing the memory available for Basic
programs, which doesn't include 8K or so reserved for the operating
system.  I think 8487 is what you should see with Extended Basic).  If you
had bad RAM chips, the CoCo likely would show garbage on screen if it
booted up at all.

Art

On Fri, Apr 24, 2015 at 10:19 PM, donald at dra.space donald at dra.space <
donald at dra.space> wrote:

> Hi Guys,
>
>
> I recently bought a silver CoCo 1 and when I booted it up it only
> recognized 8k
> ram out of 16k. So I opened it up and noticed that some of the ram chips
> appeared to have burnt out. The motherboard has jumpers for 64k so this
> board
> must be one of the later revisions of the CoCo 1. I pulled one of the
> chips I
> out which is a 4116N-3GP. Are there any equivalent 64k chips out there
> today for
> a CoCo 1?
>
>
> Don
>
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