How scarce (valuable) is core for the PDP-8?

From: Sellam Ismail <dastar_at_ncal.verio.com>
Date: Wed Apr 21 15:22:15 1999

On Wed, 21 Apr 1999, John Foust wrote:

> At 03:51 PM 4/21/99 -0400, allisonp_at_world.std.com wrote:
> >
> >Cores large enough for visual indication of magnetic field would be in the
> >10-20AMPS select curent range. Not a real possibility.
>
> How long does core stay magnetized without power?

Forever, as far as I've been told.

> How many bytes of battery-backed RAM are there in a typical PC?

128?

Sellam Alternate e-mail: dastar_at_siconic.com
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Received on Wed Apr 21 1999 - 15:22:15 BST

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