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VCF 9.0 - Exhibition

The Vintage Computer Festival wants you to display the pride of your collection at VCF 9.0.  Every collector has a machine or two in their collection that is in exceptional condition, or is extremely rare, or has a good story behind it, etc.  Or perhaps you're a programmer and have written a great simulator of some grand old machine.  Or maybe you've built a wonderful re-creation of a significant machine of the past.  Now's your chance to show it off to other hobbyists!

Not only is this your chance to show off the pride of your collection, but your exhibit could also win the coveted Best of Show award! First, Second and Third place prizes will be awarded with a ribbon based on the votes your exhibit garners from VCF attendees.

To review the rules and regulations of the exhibit, click here.

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Registered VCF 9.0 Exhibits

AT&T 3B2/500 + XM w/ DMD TTY5620
Stephen Jones (Seattle, WA, United States)
This exhibit features an AT&T 3B2/500+XM, four AT&T Terminals and a TTY5620. This interactive exhibit represents a past incarnation of the SDF Public Access UNIX System (BBS) and will allow visitors to login and play the multiuser games only found on the SDF (mazewar, com, bboard, John Gonnerman's MultiDungeonGame, Steven Shipway's Wanderer, and many others). The system will be accessible via the INTERNET so that current SDF users may communicate/play with outside visitors to the exhibition.

Pre-Industrial Computing
Evan Koblentz (Springfield, NJ, United States)
Computers are a modern invention but that doesn't mean our ancestors used only their fingers and toes to compile data. This exhibit explains the surprisingly effective and simple technology of the abacus, quipu, Napier's Bones, and the slide rule.

Sponsored by MARCH and System Source.

Flash Attack - A Game Ahead of Its Time
Larry Anderson (San Andreas, CA, United States)
Back in 1980, a pair of programmers made a very advanced multi-machine game for the Commodore PET called "Flash Attack". On display will be a demo of the game as well as information about it and a discussion of the concepts of the multi-machine technology used, which can be applied to many later Commodore 8-bit machines.

The Tomy Family
Cameron Kaiser (La Mesa, CA, United States)
This exhibit features a complete lineup of the rare and unusual Tomy Tutor line of computers, starting with the Japanese Pyuuta, followed by the console-styled Pyuuta Jr., and then the American Tomy Tutor and Japanese Pyuuta Mark II. Drop by, play some fun games, and marvel at a powerful 16-bit CPU stuck in a line of obscure yet amazingly easy to use "computers for kids".

Sphere - An Early Computer System
Larry Pezzolo (Palo Alto, CA, United States)
Sphere came out with a computer, based on the Motorola 6800 microprocessor, shortly after the Altair in 1975. It was offered as a complete system in an enclosure that looked like a terminal, or as a kit. The system on display originated as a set of board kits without a case, power supply or CRT display, and the original owner added these components to turn it into a complete, working computer system.

Vintage Micros
Jordan Ruderman (Santa Cruz, CA, United States)
On display will be the Processor Technology Sol-20, Apple Lisa 2/10, Exidy Sorcerer, and the Rockwell AIM-65, along with various artifacts from the early period of personal computing from which these models hail.

Early Sun Workstations
Robert Harker (Palo Alto, CA, United States)
This exhibit includes four vintage Sun Microsystems computers:

Sun 1/100U workstation
Sun 1/150 server
Sun 3/50 workstation
Sun 3/160 workstation

Included in the display is a collection of circuit boards showing early Sun hardware designs as well as early Sun sales literature and price lists.

Also featured will be early Ethernet hardware including 10Base-5, 10Base-T, Transceivers, and tapping tools.

The Mark-8 Minicomputer
Bryan Blackburn (Mesa, AZ, United States)
The Mark 8 Minicomputer, introduced in July of 1974 in the pages of Radio Electronics Magazine, inspired the formation of newsletters, hobby groups, and startup manufacturers geared towards selling computers and computer products. The Mark-8 was an important first in the early personal computer industry.

On display will be a restored and fully functioning Mark-8 Minicomputer, with Teletype Input/Output, and many publications devoted to or written about the Mark-8 and the Intel 8008 microprocessor, upon which the Mark-8 was based.

CompactFlash for Apple 1 and Replica 1
Rich Dreher (Wausau, WI, United States)
On display will be several working prototypes of the new CFFA1 (CompactFlash for Apple 1/Replica 1). This peripheral adds a CompactFlash storage system to the Apple 1 and its clones. The card's firmware reads and writes the ProDOS file system and makes getting programs on and off your Apple 1 clone a breeze! On hand will be CFFA1 cards operating in a Replica 1 SE with a slot expander as well as in an Obtronix Apple 1 clone.

History of Popular Electronics
Michael Holley (Seattle, WA, United States)
The Altair computer on the January 1975 cover of Popular Electronics ignited the home computer revolution. In the decade before that, Popular Electronics was the leading electronics hobbyist magazine. The actual history of the title stretches from 1943 to 2003 in four different publications. This display shows covers and reprints from selected issues.

A preview is shown here.

Heathkit EC-1 Analog Computer
Eric Schmidthuber (Henderson, NV, United States)
This exhibit features an operational Heathkit EC-1 Analog Computer. The EC-1 was introduced by Heathkit in 1959.

Atari 800 and Atari XE
Leonard Taylor (Richmond, CA, United States)
The Atari 800 was Atari's first home computer, featuring 48K of RAM and a plug-in BASIC cartridge. The Atari XE Game System, first released in 1987, is a game computer featuring 64K of RAM and Missile Command in ROM.

OSI 300
Larry Pezzolo (Palo Alto, CA, United States)
Ohio Scientific's first computer was a minimal trainer based on the MOS 6502 microprocessor. It is in its simplicity and features a comprehensive manual with twenty programming experiments.

In the Beginning: The Commodore PET 2001
Robert Bernardo (Visalia, CA, United States)
Commodore Business Machines' first foray into personal computers was the PET 2001, which was released in 1977. The PET 2001 was what CBM founder Jack Tramiel wanted at the time--a futuristic-looking machine with a good number of features and a price point that competitors couldn't match.

On display will be an expanded PET 2001 with manuals, schematics, user newsletters, programs, printer and interface, and even the strange and mysterious, outboard "sound box".

Alpha Microsystems AM-1000 Multi-User Computer
Bob Fowler (San Leandro, CA, United States)
Alpha Microsystems sold the first multi-user microsystems in 1977, based on the Western Digital WD-16 CPU chip.
In 1982, Alpa Microsystems converted to the Motorola 68000 CPU. The AM-1000 desktop microcomputer was AM's first model based on the 68000. It was the low end of a product line that ranged up to 300 user systems, all of which were (and still are!) mutually compatible. The operating system (AMOS) is based on the DEC PDP operating systems and will look very familiar to PDP users. A full set of AMOS documentation will be at the exhibit.

Bob Fowler was an active member of the national AMOS users society (AMUS) for its entire lifetime (1977-2001), and ran the northern California AMUS chapter (SF/AMUS) from 1980 to 1993. All of the AMUS and SF/AMUS newsletters from those years will be featured with the exhibit.

Computing by Steam
Tim Robinson (Boulder Creek, CA, United States)
Working models of Charles Babbage's first and second difference engines will be displayed and demonstrated.

The models are constructed entirely from Meccano parts and compute using the "method of differences". The first model was inspired by the fragment of difference engine #1 which Babbage assembled in 1832. This model was displayed at VCF 7.0. The second model is based on the plans drawn by Babbage in 1848 (and used by the Science Museum in London to construct their full scale replica in 1991). A partial version of this model was first shown at VCF 8.0. It is now complete, calculates with 4 orders of difference on 12 digit numbmers, and will be demonstrated computing a table of the sine function.

More information on these replicas can be found here and here.

CompuColor II
Steven Myers (Los Angeles, CA, United States)
The CompuColor II, based on an RCA color television, was one of the first personal computers to feature color graphics. It's driven by an Intel 8080 clone from AMD with 32K of RAM. It was my first computer, purchased in 1979. Assuming all the fried tantalum capacitors can be successfully replaced by show time, we plan to have the computer playing Star Trek and color demos.

Micro-Minis: the "Little" DEC Computers
Pavl Zachary (Aptos, CA, United States)
We often see images or hear tales of multiple-rack Digital Equipment Corporation PDP-11 minicomputer installations in everything from factory and laboratory control to huge commercial flight simulators. PDP-11 systems tended to be impressive and unmistakable. Less famous are the micro-based PDP-11 computers, systems smaller than a washing machine and sometimes even smaller than a modern PC. They were lab instrumentation computers, embedded machine controllers, port servers, personal computers, and even used in disk drives! You may well have used one without even knowing it.

This exhibit features a selection of these less visible but important microcomputers that masqueraded as minis.

Access to the Computer Museum Munich
Hans Franke (Munich, Bavaria, Germany)
A terminal will be setup allowing users at the VCF to login to a Cray Y-MP in the Computer Museum Munich, located in Munich, Germany.


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