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boy sometimes you just look silly (Patreon)

Published:
2025-07-16 03:18:50
Imported:
2026-06

Content

Okay, so, I just uploaded a new revision of the LPX video where I pointed out that the XT had 8 slots and not 7, a really silly factual error that I should have caught... and before I could refresh the page someone pointed out another one: the PS/2 had a massive and broadly acknowledged impact on the industry, by giving us VGA!

And, yeah, I'd mentioned that in the video... but I also asserted that the only thing anyone ever says we got from the PS/2 was the smaller keyboard and mouse ports, which just isn't true; it's pretty well known that we wouldn't have VGA without the PS/2, and I'll get roasted (deservedly) if I don't fix that.

Anyway, that's why the comments are paused on the current version, since I know I'm gonna replace it with a new revision before public release. I'm gonna wait a day first however in case anyone wants to point out any other incredibly embarrassing factual errors :p

Comments

Xaviette Katzenfrau

The nuts amount of standards out there that all inter-connect and related to each other is a web that's nearly impossible to keep your eye on all the variables at once, completely understandable flub haha

Funkmon

I'm on the job. I'll watch tonight! EDIT: I randomly googled stuff you said and found no errors, but I admit I was not in a bit picky mood when I did it so this is largely useless

Drew Hoffman

Well what a PS/2 has is not exactly VGA as we know it, you can't use any multisync VGA monitor with a PS/2 unless you cut a pin on the cable or melt another hole in the port with a pushpin and a lighter. MCGA is its own thing that was never copied by anyone, and also works with a 15 khz monitor (never used except for the unreleased IBM Executive Workstation).

cathoderaydude

I'd call those implementation details; the physical interface was updated once multisync became commonplace. The bulk of VGAs functionality is consistent between the real thing and the more flexible clones that followed, and *had IBM not included it*, I have little doubt that the PC would not have settled on a universal higher-color video standard for years.

Chas Becht

Happens to the best of us. I only caught it because I had it in my head that ps/2 introduced something fairly impactful, but I think I was actually thinking of 3.5" floppy drives, which had already been on the Macintosh at that point. So I was wrong about that, but in trying to look it up, I remembered VGA. Edit: Now I feel dumb. I had paused the video right before the part where you mentioned that Ps/2 introduced VGA.

cathoderaydude

...no no, you might be correct on that too. The 3.5" disk existed, but had almost no penetration into the *PC* market for years. From what I've read, up through 1986 the only reason anyone cared about it was... to get data onto their portables and laptops. 3.5" disks had LESS capacity than 5.25" at this point - they only stored 720K while the big disks were 1.2MB - but they were the only way to make a subcompact laptop, or get two drives into one laptop. This was a huge problem though because almost no software came on 3.5", and almost nobody was using it for day to day data interchange. So people who owned laptops had to buy 3.5" drives for their desktops, then laboriously convert install media (assuming it wasn't copy protected!) to get it onto their portables. It was a huge mess. Now, was the *PS/2* the inciting incident to the 3.5" becoming more widespread? I'm not sure - I would expect that it was actually the introduction of the 1.4mb disk, which was not IBM's doing, but I need to find out if they're credited with popularizing it.

Gecko089

All right, but apart from the sanitation, medicine, education, wine, public order, irrigation, roads, the fresh water system and public health, what have the Romans ever done for us? 🤣🤣🤣

Mick's Lil Bits

This kind of reply is exactly what I'm here for. ♥️

Ecter

Boy am i glad you got several people reviewing that before you post publicly <3 Kudos to you and preview commenters!

Funkmon

It's "known" that the HD 3.5 inch floppy was popularized by the PS/2...but I don't know if that is bullshit or not. I think it came fairly late; the 286 models had them.

Mike Lee

Hell now, that is what pre-release is for! It was a fascinating video, and I look forward to watching the final version as well.

Alfred Klek

Fun video I was actually thinking about the ATX form factor yesterday while I was in the shower. This is the kind of audience you have. Anyway you could probably call the Commodore PET an all-in-one if you allow for the tape drive. You did qualify the TRS-80 III has "one of the first" all-in-ones so it's probably not worth doing anything about. Just mentioned it because you seemed to be looking for suggestions.

sdomi

So i went on a deep dive, mostly through yandex and baidu, in hopes i'll find something more than vague info about this. I found several patent applications *for newer form-factors* that cited LPX as prior work, but nothing revolutionary. The two most interesting patents I found were US5963431A (1998, defines a *modification* to the LPX "standard" by compaq) and US4862327A (1988, defines a familiar looking riser, but doesn't mention LPX by name). All the existing diagrams of LPX I found online came either from patents mentioning it as prior work, or from "CompTIA cram books". I also found some info about MiniLPX, which seems to be a shorter version of LPX, but otherwise the same thing. Also, chinese companies STILL sell LPX boards, i've seen way too many of them on baidu last night. Here's my Random Assortment Of Vaguely Interesting Links: https://md.sakamoto.pl/U4K1GDLQTK-LYGz0qGEgOw - as i said, nothing revolutionary, just some more sources you could have missed. I'm gonna go into this rabbithole again tonight, maybe i'll find something more.

Karl Voelker

I grew up with a PS/2 and have only recently come to understand how weird that was. It was our one and only family computer for the first ten years of my life. And now the rtc is finally dead and I can’t replace it until I figure out how to get it out of the socket where midwest basement humidity has rusted it in place.