Grundy Newbrain

From: voyager <list_at_retrocomputing.gr>
Date: Sat Jan 25 08:08:00 2003

I've just sent them to you, by private mail.

Regards
Voyager
GREECE

----- Original Message -----
From: "Torben Ring" <toring_at_inet.uni2.dk>
To: <cctech_at_classiccmp.org>
Sent: Friday, January 24, 2003 10:08 PM
Subject: Grundy Newbrain


> Hi,
>
> I have an old Grundy Newbrain AD computer which doesn't work. The
> machine powers up with random chars in the built in anode display, but
> doesn't respond to keypresses. I used the machine some 20 years ago, and
> when I put it away at that time it was ok.
>
> I've checked the voltages at the 4116 RAM's and they are ok (+5, +12 and
> -5 volts). The ripple is also within reasonable limits.
>
> I don't have the schema for the machine so right new I'm pretty lost.
>
> Is anyone able to help me out? If so, please answer directly at my email
> address.
>
> Regards,
>
> Torben Ring
> DENMARK
>
>
>
Received on Sat Jan 25 2003 - 08:08:00 GMT