After hearing a rumour that a Cray-2 went to Brazil I had a dig into the Archives – then was reminded that co-conspirator Alistair had spent some time in Brazil and had some inside knowledge. Turns out no Cray-2 but a couple of later systems did service in Brazil. In Cray Chips from January […]
Cray systems in Brazil Read More »
Decided to do a few posts in the “Cray Supercomputer Fans” Facebook group as the 12 Crays of Christmas – enjoy. In approx order Cray-1 XMP Cray-2 YMP-M90 C90 T3E XT3 / Red Storm CRS 6400 EL * / J90 / SV1 later CX1 CS LV & AC XT5h ( Black Widow) Cray-1, Serial Number
The 12 Crays of Christmas 2025 Read More »
Dag Spicer at the Computer History Museum writes .…. I also wanted to share with you a unique Cray artefact we have on permanent display in our Supercomputing gallery (with a Cray-1 (S/N 6), Cray-2, and Cray-3. It’s called, “lLttle Character” (1958) and the story I was told about it was that it was Seymour’s
CHM exhibit “Little Character” and SC write up Read More »
John Schmuhl reports on FB: I had the honor of managing the Cray-2 supercomputer site at the US Army Tank Automotive Research, Development and Engineering Center in Warren, Michigan. Ours was Serial Number SN2014. The Cray-2 4 cpu 256 GBytes DRAM was installed in the summer and fall of 1987, went online in January 1988,
Sunday 28th September 2025 would have been Seymour Cray’ 100th Birthday. Various events were held in the UK and USA. A talk was presented in the UK at The Nation Museum of Computing and open houses were held at Chippewa Falls museum of Industry and Technology and Chippewa Area History Centre. Talk recording here The
SC100 Seymour Cray at 100 years Read More »
By: Boelie Elzen and Donald MacKenzie ISBN: 979-8-4007-1369-9 DOI: 10.1145/3705551. eBook: $36.00 | Paperback: $45.00 | Hardcover: $65.00 ACM Members receive a 25% discount on all books, and Student Members receive a 30% discount. For low-cost access to all ACM Books, Professional and Student Members may purchase an annual subscription. Notes Available on
This film show concentrated on material about supercomputers built by Cray Research. From the classic C shaped Cray-1, through generations of systems, we saw and heard about the technology, applications and people involved with the world’s most powerful computers. Featuring a recently re-discovered interview with founder Seymour Cray and animations from real life applications. This
Computer Conservation Society Film show 2023 Read More »
The series of Cray systems that went to Sweden started with Cray-1 SN9 later to be replaced by XMP SN206 and others. Unusually the system was shared between The University at Linkoping and Saab-Scania using the Multi Level Security features of Unicos. Work on Jets, cars and trucks was completed. from Auto Week in 1987
Crays at Linkoping used by Saab in Sweden and NSC Read More »
Jeff Brooks reports on Facebook… I worked there from 1986 to 1989 during the time we had the quad and serial 2003 of the Cray-2 (and a Cyber 205 and ETA-10) which got moved into this building from Lauderdale. Bruce Loftis is in the photo looking down on the computer room. Dean Kopesky is the
Minnesota Supercomputer centre Read More »
Multicoloured XMP thought to be owned by Omnibus Ltd back in the 1980’s Source : Technology Stories Your Grandfather Never Told You JOHN PENNIE WAS A CANADIAN BOY WITH A DREAM. He knew without a shadow of a doubt that there was a big, bright future in computer graphics, and he was determined to be
Computer Graphics and Omnibus Read More »
April 2025 Update: Unfortunately, our computer science gallery is not on display at the moment. Our museum is undergoing a large renovation, and we already re-opened the first part with 19 new galleries in 2022. But the second half of the building will be under construction for at least 5 more years. Therefore Cray-1 has
About the Deutsches Museum – Munich Read More »
Toby Harness reports – I released detailed YMP and Cray-2 3D model plans on Thingiverse.com The YMP can run a full emulator, booting UNICOS (by Modular Circuits/The Cray Files). The Cray 2 doesn’t have an emulator, but does have a floodable tank option, with an air or water pump for bubbles (this option is still
3D Models YMP-D and Cray-2 Read More »
Dan Hogberg writes on FB 2025 8 January at 20:31 · Hello Friends of Cray Research. It is with heartfelt sadness and fondest remembrance that I share the passing of Michael “Mick” Dungworth, one of the truly unique leaders and members of the Cray community. Mick left us peacefully a few weeks ago, and is survived by
Michael “Mick” Dungworth Obituary 2025 Read More »
Seymour Cray was a serial inventor at a large and small scale. Having a look at a couple of his patents can be quite enlightening. Browsing over at the US patent office the earliest found was “US-2741758-A Magnetic core logical circuits. From April 1956“. This patent was to reduce the power consumption and improve reliability
A threesome of Seymour Cray Patents Read More »
Here is a list of the patents assigned to Cray Research The contents of these documents can be found using the look up site here Document/Patent number Title Inventor name Publication date Pages US-6173428-B1 Apparatus and method for testing using clocked test access port controller for level sensitive scan designs West; Jeffrey D. 09/01/2001 18
List of patents with Cray Research as Assignee Read More »
