[SIGCIS-Members] Cray 1 serial number 01 being put together on Facebook Live at SC 2018

Kevin Walsh kwalsh at ucsd.edu
Mon Nov 12 08:03:36 PST 2018


Hello all,

According the the signage provided by Cray, this is Serial Number 1. See
photo below.

The unit has a imprinted serial number "01" on the base.

Sorry for the earlier inaccuracy referencing serial number 0.  I was told
by a Cray person that the unit on site was a test machine.




/r
Kevin Walsh
kwalsh at ucsd.edu

in ref to...

On Mon, Nov 12, 2018 at 7:29 AM, Cynde Moya <CyndeM at livingcomputers.org>
wrote:

> I was at the Bradbury Museum a year or so ago. They had an exhibit about
> supercomputing built around a CRAY-1. The front-end staff did not know the
> serial number. Perhaps this is Serial number 2 you refer to?
>
>
>
> Cynde Moya
>
>
>
>
>
>
>
>
>
> *From:* Members <members-bounces at lists.sigcis.org> *On Behalf Of *Grider,
> Gary Alan
> *Sent:* Friday, November 9, 2018 2:13 PM
> *To:* Kevin Walsh <kwalsh at ucsd.edu>; members at lists.sigcis.org
> *Cc:* Tom Hutton <hutton at sdsc.edu>; Ian MacConnell (
> ianmacconnellsc at gmail.com) <ianmacconnellsc at gmail.com>
> *Subject:* Re: [SIGCIS-Members] Cray 1 serial number 0 being put together
> on Facebook Live at SC 2018
>
>
>
> Perhaps I should share why serial number 1 was sent back to Cray since
> this is a history group.
>
>
>
> When Serial 1 showed up in Los Alamos in 1976 it wouldn’t run for more
> than a few minutes yet it would run for hours in Minnesota.
>
> Turns out there was no memory protection and cosmic events at Los Alamos
> altitude were different enough from Minnesota.
>
> The memory was reworked and protection was added.  Serial number 1 was a
> bit of a testbed and had many mods/corrections made
>
> before subsequent machines were produced in 1977 and beyond.  That was the
> intent of the trial.
>
>
>
> Gary
>
>
>
> *From:* Grider, Gary Alan
> *Sent:* Friday, November 9, 2018 3:01 PM
> *To:* 'Kevin Walsh' <kwalsh at ucsd.edu>; members at lists.sigcis.org
> *Cc:* Tom Hutton <hutton at sdsc.edu>; Ian MacConnell (
> ianmacconnellsc at gmail.com) <ianmacconnellsc at gmail.com>
> *Subject:* RE: [SIGCIS-Members] Cray 1 serial number 0 being put together
> on Facebook Live at SC 2018
>
>
>
> I think there is a correction to be made here:
>
> From https://www2.cisl.ucar.edu/supercomputer/c1
>
> “By 1975, NCAR's 7600 was straining under a severe overload. SCD was
> oversubscribed; turnaround time had become intolerable. A request for
> proposal (RFP) was issued, resulting in an order for a CRAY-1A. While
> serial number 1 of the CRAY-1 computer system had been shipped to the Los
> Alamos National Laboratory in 1976 for a six-month trial period, NCAR was
> Cray Research's first official customer.
>
> On July 11, 1977, the CRAY-1A, serial number 3, was delivered to NCAR. The
> system cost was $8.86 million ($7.9 million plus $1 million for the disks).”
>
> For a long time, Serial number 1 sat in the Bradbury Museum in Los Alamos
> until Cray asked if they could have it for their Chippewa
> <https://www.google.com/search?q=chippewa&spell=1&sa=X&ved=0ahUKEwi9_Iilp8jeAhWFiVQKHTvIBSEQkeECCC8oAA&biw=1125&bih=1215>
> museum.
>
> They shipped Los Alamos Serial number 2 for the Bradbury Museum.  I
> believe it is sitting in a back room at Bradbury now.
>
> Thanks
>
> Gary Grider
>
> LANL
>
>
>
>
>
> *From:* Members <members-bounces at lists.sigcis.org> *On Behalf Of *Kevin
> Walsh
> *Sent:* Friday, November 9, 2018 2:48 PM
> *To:* members at lists.sigcis.org
> *Cc:* Tom Hutton <hutton at sdsc.edu>; Ian MacConnell (
> ianmacconnellsc at gmail.com) <ianmacconnellsc at gmail.com>
> *Subject:* [SIGCIS-Members] Cray 1 serial number 0 being put together on
> Facebook Live at SC 2018
>
>
>
> All,
>
>
>
> Cray 1 fabrication  on Facebook LIVE happening now  -
>
>
>
> https://www.facebook.com/pg/SCconferences/videos/?ref=page_internal
>
>
>
> The Cray 1 that was the first Cray at NCAR and then Los Alamos is
> currently being put together for display at the ACM/IEEE Supercomputer
> Conference in Dallas, Texas.
>
>
>
> Folks in the Dallas area can stop by to see the Cray and supercomputing
> artifacts assembled for the 30th Anniversary of the SC conference.
>
>
>
> We will record the fabrication and post a separate time lapse video after
> completion.
>
>
>
> Regards,
>
> Kevin Walsh
>
> Scripps Institution of Oceanography
>
> KK6FRK
>
> (858)822-3356 <(858)%20822-3356>
>
> kwalsh at ucsd.edu
>
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