Alto II (was Re: PDP-8 prices

From: Sam Ismail <dastar_at_ncal.verio.com>
Date: Wed Jan 27 00:30:31 1999

On Wed, 27 Jan 1999, Tony Duell wrote:

> > > Are you sure you're thinking of a Daybreak? I don't have a diagnostic
> > > display on my unit...
> >
> > Yes. The diagnostic code shows up on the CRT in the upper-righthand
> > corner (IIRC).
>
> But that means 99% of the machine has to be working for it to show a
> diagnostic code.

Isn't that stupid? Unfortunately, when we tried to boot the 4 that we
recently got they mostly got stuck at the same codet that wasn't
documented in the Diagnostics manual. So much for that.

> Some of the other Xerox machines, and all PERQs, have a little 3 or 4
> digit 7-segment display on them. This works even if the entire video side
> is out of action, and is moderately more useful, therefore.

Yes, very cool idea. BTW, this manual is also good for the 8010.

Sellam Alternate e-mail: dastar_at_siconic.com
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Received on Wed Jan 27 1999 - 00:30:31 GMT

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