Kiel PDP-10 [was RE: pdp8/e frontpanel lamps]
RichA at vulcan.com
Mon Oct 26 18:06:48 CDT 2009
> From: Allison
> Sent: Monday, October 26, 2009 1:13 PM
[ responding to Tony Duell's comments regarding "Never run again" ]
> The ususal reason for that pronouncement is the backplane is summarily
> messedup beyond belief. In some cases due to shorts or other "errors"
> large sections of wire wrap being cooked. (I presume this is an early
> 10 and not a 20). That also means that any board plugged into it is
> suspect as well. Many hours of proble and verify, unpowered!
This is almost certainly a KI10-based system, so a very early DECsystem-10.
(The marketing name was coined for these systems, to move away from the
small-system connotation that had overtaken "PDP-x".)
> Repairable yes, lots of work big time yes. Worth fixing during it's
> commercial days, rarely.
In commercial days, a backplane that screwed up (a Technical Term(TM))
would have been pulled and returned to the factory. I saw that done on
a KL10 at Stanford.
> At a minimum it should be kept intact as an example if parts cannot be
> used to restore another.
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