[Coco] Upgrading RAM for CoCo 1

[Barry Nelson]

http://www.jameco.com/1/1/1851-4164-150-dram-64k-x-1-120ns-dip-16-memory.html

On Apr 24, 2015, at 10:19 PM, coco-request at maltedmedia.com wrote:

> Date: Fri, 24 Apr 2015 22:19:46 -0400 (EDT)
> From: "donald at dra.space donald at dra.space" <donald at dra.space>
> To: coco at maltedmedia.com
> Subject: [Coco] Upgrading RAM for CoCo 1
> Message-ID:
> 	<1025448239.115410.1429928386457.JavaMail.open-xchange at app4.ox.privateemail.com>
> 	
> Content-Type: text/plain; charset=UTF-8
> 
> 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