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ARadioGurl

@aradiogurl.net
2.3K followers 366 following 300 posts

Geek gurl, software engineer, anime, antique radios, computers, lots of vintage Macs, cars, hax, health, rndm gamer, fibro fighter. I like pretty things. Co-founder/co-director of springfield.community tech non-profit.

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Ron’s Computer Videos 🧍‍♂️🖥️📼 @ronscompvids.bsky.social · 3h
This marks the only time I have ever won a round of Spaceward Ho!
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Rich's Random Retro Reviews @richsrandomret1.bsky.social · 2h
So before I went on holiday, I tried once again to get Solaris installed on my Blade 100 but it failed to boot from another burned CD. I've tried two optical drives and four different ISOs from different places. When I set up a TFTP server, it booted but the installer failed.
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Abbie (She/Her) @abbiegonzalez.com · 29/09/2026
This is my day job, we do good work, and I love it. Currently laying down recovering from a car accident, but needed to share this. We *can* reach so many people, and provide the means to better so many lives, and the amount needed isn't that much.
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ARadioGurl @aradiogurl.net · 29/09/2026
I helped start this non-profit, and we need help so that not only can we continue supporting our community, but to grow! The need for our non-profit has only increased over the past couple of years!
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springfield.community @spflddot.bsky.social · 29/09/2026
We need your help. Please donate or share and help us continue our mission of providing essential digital access to Springfield, Massachusetts residents in need www.gofundme.com/f/donate-to-...
gofundme.com
Donate to Springfield.community, organized by Springfield.community
Living in the modern world requires access to technology: a computer or phone … Springfield.community needs your support for Donate to Springfield.community
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Joe's Computer Museum @museumjoe.bsky.social · 28/09/2026
Get your Apple II on the modern internet with CoGS! Internet disk mounting, HTTPS with Marinetti Support, music playback, network time, OTA firmware updates… and so much more. Coming Soon: sign up below to be notified when we have stock! jcm-1.com/product/cogs/
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Ron’s Computer Videos 🧍‍♂️🖥️📼 @ronscompvids.bsky.social · 28/09/2026
V3 of the PicoMicroMac is now available at JCM-1.com! www.youtube.com/watch?v=2lsk... Thanks, @actionretro.bsky.social!
youtube.com
This Tiny 90's Macintosh Really Works
YouTube video by Action Retro
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Sophie Rose @sophierosemusic.bsky.social · 27/09/2026
Macintosh SE 🎨
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LukHash @lukhash.bsky.social · 27/09/2026
Track 11 on new album. Piano + C64. Combination made in heaven 💜 #8bit Support by pre-ordering here: lukhash.bandcamp.com/album/neon-a...
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ARadioGurl @aradiogurl.net · 27/09/2026
Before moving, my Bell & Howell Apple II+ had video issues whenever I added expansion cards. Replacing the power supply resolved the video issues. My Apple IIe had no known issues, but most likely would once upgraded. New PSU installed, it is ready for expansion cards.
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ARadioGurl @aradiogurl.net · 27/09/2026
Assembled a new, larger, better desk (gift from fiancee) for my office yesterday. Needed a break from troubleshooting broken software. Desk was easy, wrestling with wires for a 4 display, 4 computer, dual KVM setup was not. Still one system to connect, but it's rarely needed.
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Ian Scott @polpo.org · 26/09/2026
"The PicoIDE will never work on the B&W G3" - Ian Scott, September 25, 2026 "The PicoIDE works fine on the B&W G3 with an OpenFirmware workaround" - Ian Scott, September 26, 2026
A Blue & White Apple Power Macintosh G3 in the classic Bondi Blue color, opened up with its guts out. Two PicoIDEs are plugged into it, one into the HDD interface, and the other one meant for the optical/ZIP drives.
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Sophie Rose @sophierosemusic.bsky.social · 27/09/2026
The MacPaint manual is nice..
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nulleric @eric.scsi.blue · 27/09/2026
Get them while the gettin's good tinkerdifferent.com/threads/newl...
Apple Image Writer Color Ribbon
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Ron’s Computer Videos 🧍‍♂️🖥️📼 @ronscompvids.bsky.social · 27/09/2026
MacEffects has restocked color ImageWriter II ribbons. #MARCHintosh will be here before you know it, so stock up now!  maceffects.com/products/app...
maceffects.com
Apple ImageWriter II Color Ribbon Cartridge
We are proud to offer the only newly manufactured ImageWriter II color ribbon cartridges and color ribbon replacements.  There has not been another company manufacturing these in over 10 years.   Ink ...
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kiwa @kiwa.space · 27/09/2026
Fond my copy of microsoft plus, i thought i trashed it, nice
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Engineer Brains @hhackenbecker.bsky.social · 26/09/2026
Got one or more Macs suffering inexplicable kernel panics? Look for a Windows 10 or 11 machine on the same network. #macOS #Windows11
Following up on my post about editing Macs kernel panicking on 10 GbE SMB: we think we've found the cause. It reads like a murder mystery, so here's the story.

The crime scene. Since late June, our editors' Macs had been kernel panicking several times a day, often several at once. It hit Mac Studios and 2019 Mac Pros on three different macOS 26 builds. Every panic report had the same assertion deep in the kernel's network buffer code (m->m_flags & M_PKTHDR, in dlil_input). They only happened on machines mounting our NAS over 10 GbE with jumbo frames.

The obvious suspect. An EDR system extension had installed on those Macs the same evening the panics started. It was the only system change common to every machine that was crashing, so it looked guilty, and we (and the vendor) went after it hard. We turned off its network filter and the Macs still panicked. We uninstalled it completely and they still panicked. The timing was a coincidence. It was simply the one change we could see, because we were only looking at the Macs.

Ruling people out. Server-side packet captures showed the Macs dying mid-SMB-read, which pointed at the SMB client. Changing a macOS networking setting didn't help. macOS 26.7 didn't help. The switch log gave us the key clue: in each event, only the Macs' ports went down, often within seconds of each other, across different hardware and OS builds. Something was hitting all of them at the same moment, and it wasn't coming from inside any one of them.

The stakeout. Server-side captures only show traffic to and from the server. What we needed was everything a Mac receives from anyone on the network. So we set up port mirroring on the switch: the port for one of the most-affected Macs was copied to a spare Mac running tcpdump (headers only, in a rolling set of files). Then we waited. The panics are bursty, so of course it went quiet as soon as we started watching.The reveal. Friday evening it finally panicked while being recorded. The Mac was idle, with no SMB traffic for ten minutes. The last thing it received, about one second before its link dropped, was a burst of about 60 mDNS packets in 25 milliseconds from a Windows 11 PC on the same network, many of them over 4 KB (jumbo frames). The PC was running Windows Delivery Optimization's local peer discovery (_dosvc._tcp), apparently stuck in a name-conflict loop. Looking back across the whole capture, every panic lined up with that PC's mDNS traffic, including a routine every-5-minutes announcement that took out Macs as fast as they reconnected. When the PC went quiet for five hours, nothing crashed.

That's the twist. We had spent weeks examining the victims, and nothing on the Macs was the culprit. The killer was a machine that had nothing to do with editing: a Windows PC on the same network, sending poison packets to every Mac at once. You'd never find it by looking at the Macs, only by watching the wire.

Our working theory: large multicast packets arriving at a Mac with an active SMB session hit a macOS kernel bug. The SMB session is the precondition, and the Windows PC's mDNS traffic is the trigger.

The fix (for now). On the PC we set Delivery Optimization to Simple mode (DODownloadMode = 99), and the announcements stopped. We're watching to confirm the panics stop too, and it's all been reported to Apple.

If you're seeing something similar: Macs panicking together on a jumbo-frame network with Windows 10/11 PCs on it? Check for _dosvc mDNS traffic. More broadly, if your crashing machines don't share an obvious cause, look at what else is on the network. A managed switch's port mirroring to a spare machine running tcpdump is an underrated way to see what really reaches a client before it dies.
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GlitchedHeart 😸 @glitchedheart.bsky.social · 25/09/2026
Reminder that I'm looking for a permanent position in games. If you need a senior dev let me know See the link for all the things I've done www.linkedin.com/in/fasterkitty
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Xodium @xodium.net · 25/09/2026
Dumb photo of the Cube but… I’m doing some fixins in anticipation of SoCal and maybe Mactoberfest and I want to know: should I change the outer LEDs to red, or keep them purple?
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Ron’s Computer Videos 🧍‍♂️🖥️📼 @ronscompvids.bsky.social · 25/09/2026
Like many kids of the late 70's / early 80's, much of my exposure to computers was through LOGO and "Turtle graphics". It made programing easy and fun - and literally launched my IT career! Let's chat with Logo Computer Systems' former Director of Research Brian Silverman! youtu.be/wdZtE3EX3RI
youtu.be
Let's Chat with Brian Silverman - LOGO Evangelist, Scientist and Researcher!
YouTube video by Ron's Computer Videos
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Ron’s Computer Videos 🧍‍♂️🖥️📼 @ronscompvids.bsky.social · 23/09/2026
I've added chapters to all of my interviews (based off the CCs). Hopefully this makes it easier to hop around inside the conversations and get to the parts of most interest to you. Thank you again for listening! www.youtube.com/playlist?lis...
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ARadioGurl @aradiogurl.net · 22/09/2026
This Ultrawarp Apple II accelerator has been waiting to be assembled since before I moved nearly four years ago. Wasn’t feeling good Sunday night, so I tackled this as an easy project to focus on. I’ll test it out some night this week.
Ultrawarp Apple II accelerator board, unassembled. Installing IC sockets onto the boardAll IC sockets installedIC sockets fully populated with ICs.
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Caræsten 🇵🇸 @cara.city · 21/09/2026
shoutout to infinite mac, without which this would not have been possible www.them.us/story/early-...
them.us
You Can Now Look Back at the Early Trans Internet. Yes, There Were Memes
Three years of TGForum posts were found on a CD-ROM — and uploaded for all to browse.
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Mihai Parparita @persistent.info · 21/09/2026
I've switched over Infinite Mac's classic Mac emulation to recently-released and awesome Snow, which unblocks A/UX emulation: infinitemac.org?filter=aux There's a behind-the-scenes blog post at blog.persistent.info/2026/09/infi... detailing this and other site updates.
A/UX 3.1 running inside Infinite Mac, showing the Finder opened to a Photoshop Window, the xlogo X11 program, and a command shell
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ARadioGurl @aradiogurl.net · 21/09/2026
Picked this broken CRT testing up during the summer when I found that my other CRT tester lacked its full adapter set. Due for a recap, each paper cap is at least 50% out of tolerance. Lacking necessary values, I replaced what I had in stock and waiting on the others.
Front of the Sencore CR143 CRT testerInside of the tester showing a leaky bad capacitor Two capacitors replaced with modern electrolytics.
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48k RAM @48kram.bsky.social · 21/09/2026
Sure, sex is good, but have you ever watched DOS demos on a Pentium II 450 with a PicoGUS?
black desk with gateway tower PC underneath running the demo 73 Million Seconds by Pulse. the demo is displayed on a modern LCD monitor through a RetroTink 6x CE scaler which sits on the desk. the keyboard caps are quite yellowed
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Ben Johnson 🏺👻 @gamedesignerben.bsky.social · 21/09/2026
Graphing calculator aesthetic
A black TI-85 with several Serial Experiments Lain stickers, including 3 that read KIDS, LOVE and SOCIETY, and a blue rainforest frog sticker.
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Zoe 🍂🪾🎃🦃 @retrozo.bsky.social · 21/09/2026
Two every see Catalin radio? An antique store I went to yesterday had this Bendix. That's not a finish or paint, that's actually what it's made out of. Absolutely beautiful.
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Zoe 🍂🪾🎃🦃 @retrozo.bsky.social · 21/09/2026
Alright Working on the 1950s Telechron this morning Nothing much to do with it, the cord is actually okay and it runs. It's just dirty so I'll open it and clean it up
Yellow square clockRear of clock
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Sasha's Retrobytes 🏳️‍⚧️ @sharkabytes.bsky.social · 20/09/2026
"Feel the wind in your hair..." Okay, there's a big anniversary today: the 40th since the release of Sega's sublime arcade racer OUTRUN! Sometime between today and the 25th in 1986, arcade goers were being taken on a Sega multi-route race for the first time. Share the OutRun love, peeps <3
From Sega Retro, a scan of an arcade flier with OutRun screenshot blown up and a photo of the arcade cable below it.
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Peter Fletcher @rectapete.bsky.social · 20/09/2026
Finishing out the weekend with a bit of the #AtariST version of Yoomp!
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Ian Scott @polpo.org · 19/09/2026
Post-VCF letdown: getting the retro space under control. I let things get too messy during VCF prep and brought back a lot from the show so now I need to figure out where things can go so I can see my floor again!
A cluttered basement space full of old computers and boxes of computer junk. Help, I’m drowning in it!
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ARadioGurl @aradiogurl.net · 19/09/2026
Added the tube socket test adapters to my collections, then cleaned up the IBM VOM-2A. The back cover is heavily warped and there is battery damage, but it cleaned up well and I expect this meter will work.
Drawer full of assorted tube socket test adapters and related tube tools.  There are mostly socket test adapters for various tv tubes, but also receiving tube test adapters. Side angle view of the IBM VOM in its leather caseOverhead view of the IBM VOMClose-up view of the IBM VOM showing the “Property of IBM” label
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ARadioGurl @aradiogurl.net · 19/09/2026
Took my dog for his morning walk, saw a neighbor, and now I’m the new owner of a dirty and worn IBM VOM-2A, a couple tube socket test adapters, and a small mix of tv and radio tubes.
VOM-2A in its original IBM case on the left, on the right a box of tubes with a couple socket test adapters on top. VOM-2A in its original IBM case with the case open in front, behind it a box of tubes with a couple socket test adapters on top. Side view of the VOM-2A showing the adjustment knobBack panel of VOM-2A showing it was made by National Instruments Inc, New Haven, Connecticut
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Wisconsin Computer Club @wiscomputerclub.bsky.social · 19/09/2026
Mad props to @museumjoe.bsky.social for the awesome BlueSCSI drive that has brought the club's traveling Macintosh Classic 2 back to life! 🥳
The BlueSCSI device is fitted into the former hard drive space, right underneath the CRT.A Macintosh Classic 2 boots into Mac OS on my messy workbench after more than a year out of commission.
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videogame history @vghistory.bsky.social · 19/09/2026
the space tablet, print ad, imagery (1982) archive.org/details/byte...
prominent text: welcome to the third dimension
underneath: an image of a kinda george lucas-lookin' mf (wearing a black cape), using a very small space shuttle on a space table to co-ordinate the 3d image on his apple II screen in wire frame. he is looking back at you intensely (away from what he is doing), giving the whole image a twilight zone vibe.
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Ron’s Computer Videos 🧍‍♂️🖥️📼 @ronscompvids.bsky.social · 19/09/2026
Come join us for a roundtable discussion of booths, swag and stories from this year's VCF Midwest! www.youtube.com/watch?v=fWqm...
youtube.com
VCF Midwest 21 (2026) - Stories from the Show, Gets and More Livestream!
YouTube video by Ron's Computer Videos
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ARadioGurl @aradiogurl.net · 18/09/2026
Cassette deck of the vintage Zenith casseiver works and sounds pretty good playing back a tape l recorded off an old record some 30+ years ago.
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Gammitin (Ben) 💾 @gammitin.bsky.social · 18/09/2026
Non-destructively pimpin' my 3DFX Voodoo 3 3000, works really well, fully reversible and it's quiet and keeps it nice and cool 🥶
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ARadioGurl @aradiogurl.net · 18/09/2026
Incredibly busy, but with the electronics lab organized I’m back to working on plans for a dedicated vintage computer lab. Have a room that I’m fixing up, working on plans for a custom computer bench.
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ARadioGurl @aradiogurl.net · 18/09/2026
Gift from my fiancée, a super aesthetic 1980s Zenith FM/AM/Cassette stereo. Need to test the cassette deck, but it’s fully functional otherwise and in amazing shape.
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Zoe 🍂🪾🎃🦃 @retrozo.bsky.social · 18/09/2026
I love it when people learn their lesson Shame a lovely radio has to die for it
Facebook marketplace listing for console radio cabinet that's been gutted 

Was $30 now for free

Description: Free. Vintage radio cabinet great for diy project! Was going to make into portable drink bar but never got around to it!
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ARadioGurl @aradiogurl.net · 13/09/2026
Current state of my lab bench. Haven’t had much time to work on it, but I steal some time here and there. Still some organizing to finish, but it’s a functional workbench and I have projects to work on 😁
Wide view of the lab bench and associated shelves. Left of the bench is mostly parts, to the right of the bench is a rolly cart full of more parts, behind that is mostly big test equipment and projects. Closer view of the lab bench. Most commonly used test equipment on main surface, lesser used on upper surface. Middle surface contains commonly used components for projects. Even closer view, this is mostly what I see when working
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ARadioGurl @aradiogurl.net · 13/09/2026
Lab workbench is clean, thus it’s time for some early Sunday morning radio work. This KLH was rescued from recycling, reported to work, but very dirty. Took some elbow grease and Deoxit, but it looks good and sounds good 😄
Front panel of a dirty KLH model 18 FM tunerCase of the KLH model 18 FM tuner being cleanedCleaning the nasty front panel Cleaned and sounding good.
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Retronauts @retronauts.bsky.social · 13/09/2026
Look at the calendar then SCREAM REAL LOUD because today marks the 40th anniversary of PEE-WEE'S PLAYHOUSE
static.klipy.com
Peewee Conky
Alt: From Pee-Wee's Playhouse: The secret word of the day is "Look"
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Sasha's Retrobytes 🏳️‍⚧️ @sharkabytes.bsky.social · 10/09/2025
"Your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should!" 10 PRINT "CLEVER GIRL" 📖: BYTE January 1986
A scanned cover of Byte magazine with an illustration of a robotic pincer arm hatching out of an egg with ribbon cables inside
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Dave’s Vintage Apple Tech @davesvinappletech.bsky.social · 12/09/2026
youtube.com/live/32a1McH... Live Show Sep 13 2026 8:00amPST 11:00amEST join me and my friends with more retro shenanigans Can we cut down the screen protector glass to fit on the Frankin Mac
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OldTechAdverts @oldtechadverts.bsky.social · 13/09/2026
Byte Magazine 1987 December #retrocomputing #80scomputing
Byte Magazine 1987  December

#retrocomputing #80scomputing
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👾🕹️Jamie Copeland 💾☎💻 @slofunk.bsky.social · 13/09/2026
👀
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maya ventura @mayawalkwith.me · 13/09/2026
also got this today, which i was immediately gonna grab the second i saw "vintage radio in maya red-burgundy"
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