Having just become the proud owner of a 2001, ($ 10.00 Cdn, about $ 7.00
US, delivered.) I have some questions that I hope you fellows can resolve.
1. What have I got, and did I get taken?
2. Although nothing appears to have been removed, I can't find a power
transformer in the drive unit. Does anyone know if this used a switched
power supply?
The outfit has been outside, but no rust. I will let it dry out for a few
days before I try plugging anything in.
Thanks
Charlie Fox
Thank you so much, Paul. Much appreciated!
-- Dave
==========================================================================
From hf.intel.com!prp Tue Oct 7 09:19:49 1997
From: Paul Pierce <prp(a)hf.intel.com>
To: Dave Fafarman <davef(a)wesco.com>, classiccmp(a)u.washington.edu
Subject: Re: Question -- IBM 704
Dave,
>Hello. I wonder if you might happen to know what the word length (bits)
>was for the IBM 704?
The IBM 700/7000 scientific computers (701, 704, 709, 7090, 7094, 7044
etc.) had a 36-bit word. Number representation is binary sign/magnitude.
From the 704 on the instruction size is 36 bits and there is hardware
floating point. It is an accumulator architecture derived from Von
Neumann's IAS machine. Programmer visible registers are an accumulator
(38 bits), multiplier/quotient register (36 bits) and 3 index registers
(15 bits.) It had 8K to 32K words of core memory. Mass storage was
magnetic tape or punched cards.
Web references:
IBM 704 Manual (selected pages) -
http://www.cs.virginia.edu/brochure/images/manuals/IBM_704/IBM_704.html
Von Neumann and the IAS - http://ei.cs.vt.edu/~history/VonNeumann.html
Paul Pierce
http://www.teleport.com/~prp/collect
Dave,
>Hello. I wonder if you might happen to know what the word length (bits)
>was for the IBM 704?
The IBM 700/7000 scientific computers (701, 704, 709, 7090, 7094, 7044
etc.) had a 36-bit word. Number representation is binary sign/magnitude.
Don't need the $$$ (or I shouldn't after my game hits store shelves in a
couple weeks).
I'm into trading mostly; other classic micros or console stuff I
collect.
-Matt Pritchard
Graphics Engine and Optimization Specialist
> -----Original Message-----
> From: Ken Harbit [SMTP:krh03@csufresno.edu]
> Sent: Monday, October 06, 1997 2:12 PM
> To: Discussion re-collecting of classic computers
> Subject: RE: CC> TS 1000
>
>
> > I've got a second 2068, complete in Box, and I think maybe a
> cartridge
> > or two.
>
> How much $ are you asking?
>
On Wed, 31 Dec 1969, John R. Keys Jr. wrote:
> you may have the 820-II the upgrade to the 820 which came out in July 1981.
> They could run CP/M, two versions of BASIC, and used Ethernet.
How did it "use" ethernet? (Where di it "hook up", etc.)
LeS
>From: Dave Fafarman <davef(a)wesco.com>
>Subject: Question -- IBM 704
>
>Hello. I wonder if you might happen to know what the word length (bits)
>was for the IBM 704? This was a machine used in the 50s. (Please don't
>confuse with a more recent IBM 704 -- apparently the model name has been
>recycled after 40 years.)
TIA,
I've got a second 2068, complete in Box, and I think maybe a cartridge
or two.
-Matt Pritchard
Graphics Engine and Optimization Specialist
> -----Original Message-----
> From: Ken Harbit [SMTP:krh03@csufresno.edu]
> Sent: Monday, October 06, 1997 9:30 AM
> To: Discussion re-collecting of classic computers
> Subject: Re: CC> TS 1000
>
> Count me in on this too, especially a TS1000 or 2068.
>
> > If you find one that cheap, I'd like one. I only have a
> > TS1500. Any other sinclair you can find for that price or
> > accesories, and I would gladly reimurse you for shipping as
> > well. zx81, TS100, TS2048, TS2068, 2050 modem with case, or
> > just case, {have the modem already} Any printer that works....
> >
> >
>
> Ken Harbit
> krh03(a)cvip.fresno.com
> My other computer is a ZX
I have received a phone call from a guy in San Luis Obispo CA (no e-mail)
who wants to sell a Timex Sinclair 1000 -- complete including the 16K
expansion module -- at a swap meet. Like many people who are peripheral to
the community, he has a somewhat inflated idea of what this treasure is
worth, so I figure the best education is to just send him to the swap meet.
Anybody know of any close to him?
TIA
__________________________________________
Kip Crosby engine(a)chac.org
http://www.chac.org/index.html
Computer History Association of California
> Passing on Sun optical mouse pads for type 3 or 4 mice is a crime
> punishable by death. They are unique _two_ color pads (the horizontal
> stripes are a different color from the verticle ones) that Sun does not
> make anymore (contrary to Sun Direct's sales people, the pads they sell
> are for the normal type 5 mice).
What's unique about the sun mousemats? Two-colour ones were made by
several people. I need one for my IBM 5277 mouse :-( I was going to
use one off a Silicon Graphics Iris, which appears to be the same two
colours I remember from IBM, but it has vanished somewhere in my house.
I have seen others with different colours (red and blue instead of
yellow and blue) on a coarser resolution. These may have been near Sun
machines, I can't remember.
I ask merely from curiosity...
Philip.
