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sdforg.bsky.social
SDF
@sdforg.bsky.social
66 followers 9 following 38 posts
SDF Public Access UNIX System
Interim Computer Museum
SDF.ORG / ICM.museum
Posts Replies Media Videos
sdforg.bsky.social
Did you know the oldest public access Unix system M-NET / arbornet.org are now maintained by SDF.ORG?

M-NET currently enjoys preservation thanks to Dan Cross here under FreeBSD but the ALTOS still exists

#retrocomputing #vintagecomputing #community
November 8, 2025 at 5:07 PM
sdforg.bsky.social
What year is this?
November 5, 2025 at 1:46 AM
sdforg.bsky.social
In rogue the bat has a secret defense that makes it undefeatable under digital OSF1

#retrogaming #rogue #gaming #ascii
November 4, 2025 at 9:57 PM
sdforg.bsky.social
Here is the receipt for SDF.ORG original Apple ][e which was used to run the BBS from 1987-1989 before we moved to UNIX SVR3
November 3, 2025 at 4:45 PM
sdforg.bsky.social
miscalculating computer

-2,147,483,648 hours and 26 minutes remaining
November 2, 2025 at 7:26 PM
sdforg.bsky.social
Today is international vectrex day!

#gaming #console #retrogaming

Have you played your vectrex today?
November 2, 2025 at 12:12 AM
sdforg.bsky.social
Welcome aboard and thank you for supporting us!
November 1, 2025 at 8:50 AM
sdforg.bsky.social
Mounted facing the back to make access to the SD card for backups and firmware updates easy
October 29, 2025 at 6:27 PM
sdforg.bsky.social
Thanks to Alex of Rabbit Hole computing we are converting the remaining SCSI disk drives on our remote systems to #zuluscsi
Here is hkypux, an HP9000/715 running HP/UX 10.20

icm.museum

#server #retrocomputing #vintagecomputing #scsi #emulation
October 29, 2025 at 6:26 PM
sdforg.bsky.social
Bruce and Jeff have made progress on the MITS Altair 8800. It’s doing deposits and examines now with some success.

#intel #1970s #altair #homecomputer #retrocomputing #vintagecomputing #microprocessor
October 27, 2025 at 4:06 PM
sdforg.bsky.social
October 26, 2025 at 1:22 AM
sdforg.bsky.social
We’re slowly getting there on the ][e side and look for these when the price is affordable.
October 25, 2025 at 10:21 PM
sdforg.bsky.social
Portland Retro Gaming Expo attendees got their first try at an early video game: Space War! On the IMLAC PDS-1. Would you like to support us so we can attend future events? icm.museum

#prge #portland #retrogaming #vintagecomputing #retrocomputing #classicgaming #gaming
October 25, 2025 at 3:00 PM
sdforg.bsky.social
Thank you Scott for stopping by our booth at #prge this past weekend and learning about our charitable mission.
ICMs display at prge ICMs display at prge
October 24, 2025 at 6:38 PM
sdforg.bsky.social
Adrian @adriansdigitalbasement.com had fun at ICF and a few weeks later brought people to the ICM booth at #PRGE

would you like to help us? icm.museum #vintagecomputing #retrogaming #retrocomputing
People enjoying ICF People enjoying prge
October 24, 2025 at 6:07 PM
sdforg.bsky.social
we’ve had #spaceballs and #cowboys at #prge today. Find out more about us at icm.museum
October 19, 2025 at 9:04 PM
sdforg.bsky.social
Today is the last day of #prge come see our booth in hall E until 5pm today!

icm.museum

#vintagecomputing #retrocomputing #gaming #retrogaming #portland
October 19, 2025 at 4:26 PM
sdforg.bsky.social
Come visit our booth in Hall E at the Oregon state convention center this weekend for the Portland Retro gaming Expo

#prge #retrocomputing #vintagecomputing #retrogaming #gaming #portland #pnw
October 18, 2025 at 9:20 AM
sdforg.bsky.social
We’ve got 8 tables at Portland retro gaming expo, but one of our exhibits has its own table, IMLAC PDS-1 space war!

icm.museum

#retrogaming #vintagecomputing #retrocomputing #gaming #prge #portland
October 17, 2025 at 5:02 PM
sdforg.bsky.social
To celebrate 36 years of SDF we've made a set of 5 postcards from high resolution scans of photos from the 1990s and a screenshot from our Plan 9 server They are available in our #fundraiser store sdf.org?store #support #postcard #history #1990s #bbs #community
November 5, 2023 at 11:40 PM
sdforg.bsky.social
Just about 7 hours remain till 04-Nov-2023 23:59:59 UTC and still time to log contacts for the SDF Incompatible Timesharing System Boot Camp QSO contest!
hactrn.org
#qso #contest #retrocomputing #vintagecomputing #chat
November 4, 2023 at 4:46 PM
sdforg.bsky.social
QST! The SDF Incompatible Timesharing System QSO PARTY has begun running through 04-NOV-2023 23:59:59 UTC! Login to ITS, watch for lusers and send/receive CQ/QSL to score points.
hactrn.org
#retrocomputing #vintagecomputing #contact #cq #announcement #contest
November 1, 2023 at 7:00 PM
sdforg.bsky.social
Hello, world. Thank you for inviting us.

#new #bksy #joined
An image taken in 1992 of the SDF Public Access UNIX System with four user dialups and one dedicated UUCP connection to seas.smu.edu. We were running System V UNIX and supported just over 600 users with this configuration.
October 31, 2023 at 3:24 PM