OT Troubleshooting: Old computers with modern parts

[Bob Shannon]

Use Dallas NVRAM's.

That's what I run in my Imlac to simulate core...

----- Original Message ----- 
From: "woodelf" <bfranchuk at jetnet.ab.ca>
To: "General Discussion: On-Topic and Off-Topic Posts" 
<cctalk at classiccmp.org>
Sent: Friday, March 11, 2005 2:31 PM
Subject: Re: OT Troubleshooting: Old computers with modern parts


> Tom Jennings wrote:
>
>>
>> Punches are indeed the harder part. I've got a DSI in decent
>> shape, nice serial interface for general use, but punch mechanisms
>> are harder to find, esp. ones easily interfaced. THere seems to be
>> 10 times the number of readers as punches (makes perfect sense in
>> context of what paper tape was must used fo rin the computer
>> world).
>
> Well I could buy a used serial punch for about $800 to $1000 us
> but they are not for a song like many people have picked up 8's
> with a tty or high speed punch. The lack of a punch has kept me from
> doing a PDP/8 in a CPLD as well as not knowing of where to get
> ferromagnetic? ram. I want real non-voiltile memory.
>
>> Yup! Even the non-oiled paper will last 500 years if it's kept
>> dry. It indeed suffers in the data-density department but it's fun
>> to work with on a non-production basis!
>
> Keeping dry is the hard part unless you got a water tight storage for 
> tape.
> Accidents with water like a broken water line, flood or heavry rain just
> wait to happen.
> Ben alias woodelf
>
>
>