Rich Alderson RichA at vulcan.com
Wed Jan 14 15:38:25 CST 2009

> From: John Floren
> Sent: Wednesday, January 14, 2009 11:33 AM

> On Wed, Jan 14, 2009 at 2:23 PM, Curtis H. Wilbar Jr.
> <rescue at hawkmountain.net> wrote:

>> Richard wrote:

>>> In article <496E2FE2.3010403 at hawkmountain.net>,
>>>    "Curtis H. Wilbar Jr." <rescue at hawkmountain.net>  writes:

>>>> I think that my TOPS-10/TOPS-20 fix will likely have to come from
>>>> emulation.

>>> Just get an account on Paul Allen's TOAD.  I did.  Its fun :-)

>> I'm sure.... but not like having your own ! :-)

>> With such a low number of them out there.... I'd imagine
>> eventually they will be tougher to keep running.... what
>> would the spares availability be :-)

This is actually of some concern to us.

> Sorta sounds like it would be easier to get a real PDP-10 than to find
> a TOAD

Unless by "real PDP-10" you mean specifically a KA-10 or KI-10 processor
and associated peripherals, I'm going to have to object on behalf of the
XKL and Systems Concepts products, along with the Foonly family and the
MAXC system built at PARC.

I am firmly on the microcode side of the "real hardware" vs. microcode
argument when it comes to defining system architectures.  Otherwise, the
KL-10 processor is not a PDP-10.

I am also on the architecture trumps manufacturer side of *that*
argument.  The Amdahl, Hitachi, and Fujitsu articles are just as much
360/370 systems as the IBM offerings; they'd be just as desirable for
the work they can do (if not more so).  Nameplate coolness factor does
not equate to architecture, IMAO.

Anyway, as far as I have been able to determine, all the KA-10 systems
left in the world are located near Johnny Eriksson, as are all the KI-10

> From: Pontus
> Sent: Wednesday, January 14, 2009 12:05 PM

>> Yeah, its better!  You don't have to pay the power bills or setup the
>> HVAC, the raised floor, etc.

> The Toad is small and cute, even cats like it, not much need for raised
> floor, don't know about power though.

Oh.  I didn't mention that, did I?  The Toad-1 system dissipates about
1500W in operation and plugs into a wall socket.  The KL-10, with the
original power harness, requires 240V x 60A 3-phase, with a power-on
inrush of ~12.4KVA, and a steady-state operational requirement of ~6-9KVA.

Rich Alderson
Server Engineer, PDPplanet Project
Vulcan, Inc.
505 5th Avenue S, Suite 900
Seattle, WA 98104

mailto:RichA at vulcan.com
(206) 342-2239
(206) 465-2916 cell

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