Add an ISA slot to Modern Motherboards! 

"Forwarded to the disappointment". The story of my life. Amazing work.

A note for future experiments: the LPC bus has lately been supplemented with a mostly compatible serial version, and converter chips apparently _do_ exist.

There are more than DOS gamer that could be interested in that. CNC, laboratory and medical equipment came sometimes with custom ISA controllers and DOS software.

Just so you know: This has opened a lot of opportunities for game conservation for an obscure korean arcade rhythm game. I don't know if this will get submerged by other comments but this is an absolute godsend. You see, ISA has been used by a specific arcade game to plug the I/O board, which controls a bunch of lights, buttons, and encoders. This has been a MAJOR problem for sourcing computers compatible both with the IO card and the software in the modern era, because you always had to get really weird used exotic hardware from chinese vendors so you could run a somewhat power-intensive game on a windows XP install (w98 on older releases) on something with that slot. You can obviously imagine the hassle of finding hardware that doesn't suck power-wise with such requirements. THIS, however. I know people with this cabinet that have had the issue. Working further on compatibility and testing on your design, if i can manage to run a semi-modern motherboard with this as a bridge to the IO card and not have latency issues, it's a breakthrough in conservation of this title, which has always been an issue since a PCI equivalent of the IO does not exist. So, if this works (and even if it doesn't) you can pat yourself on the back because god damn, you just gave us an exit for this issue.

Another brilliant hit. I anticipate that in a few years, you could have an abomination of a PC having a really fast uncompromising core with ancient parts for everything, running all IBM compatible software from 1981 to 2xxx, the ultimate sleeper PC.

For any DOSBox devs that're reading, it would be nice if DOSBox had support for ISA bus forwarding, so that instances could be attached to those ISA-over-USB devices. We eventually could have multi-seat DOS gaming running off a single machine.

this is incredible. i have wanted an isa soundcard in my newer pc for so long for basically this usecase along with getting things like adlib tracker ii to work with real hardware. having it available in linux would also just be absolutely perfect. please keep going. i can't be the only person who would buy this the moment u put them up for sale

So this means I can maybe install a TPM module on my 386. Great idea.

Great idea. Very useful for industrial applications as these days ISA capable boards with "good" CPUs (Pentium 4 and up) are very expensive. (Understandable as companies don't want to throw away a $1mn production line just because an old motherboard died - and pay a lot for these boards). This also means that if you have one of these boards, don't throw it out - not even when it's dead. It will sell quickly and they will be needed until ISA based industrial machinery is too old (which might take another 10 - 20 years)

The Quake thing may be a PSU issue, most modern ones don't provide -5v and I heard that's problematic for older sound cards

Brilliant project. I'd be interest to see if you get an ISA floppy controller like the Quad-Flop working via it, having a working 5.25" floppy drive on a modern hardware would be great for a retro setup.

Hey there. I own a SoundBlaster AWE64 Gold and I confirm that it's working with Gentoo Linux, with kernel branch 5.15. It's perfectly capable of playing PCM. Your mileage with other distributions may vary, as it has become Linux' recent obsession to join Microsoft and Apple in planned obsolescence by deprecating drivers and platforms left and right. So, go ahead! You're safe to try most ISA sound cards on Linux.

Two days ago a woman approached me at the grocery store and struck up a conversation about the weather. I immediately referred her to your RU-vid channel and she fled in mere moments. Thank you keeping her at bay. Also, cool ISA board and video!

I always wondered if an ISA card could run off the LPC bus but never found any way of doing it. Great that you've got it working!

This is unbelievable! My hat is off to you! Your level of skill and expertise is truly inspiring!

This is perfect. I was reading about the LPC bus years ago and thought it could be a way to access the internal ISA bus of the chipset, but after admitedly superficial study of some docs I've found I concluded it's not exposed outside of the chipset. Never knew about the TPM headers. I'll definitely build this and try it out. Thanks!

Seriously love how pcbway is supporting channels like this one action retro. I’ve used their service before and it’s seriously great

This level of skills I am in awe of. The sort of down-the-rabbit-hole engineering that i've craved for years but never pushed myself toward. you are wonderfully talented sir.

you keep amazing us so much! I can't believe how much effort you put in these things, and how amazing they end up being! I TRULY salute you and thank you dearly!!!

Very nice and elegant way of stretching sound card support for ISA to modern platforms!

That is so cool, and brings back memories of having a weird-ass modem/SB/CD card I've had and the amount of coaxing it required to work in all the games.

Amazing work, can’t wait to see where you go with this. It is so expensive to find decent motherboards with isa slots now, so this has a lot of promise.

Just randomly found this video, love what your doing here. I'm very much not a hw guy but I love learning and seeing low level stuff (like Ben Eater). Thanks for sharing your findings!

This was awesome! Incredible work. And great video. Thanks!

I always wondered about this and wanted to do it. You're so cool for actually going through with it on multiple machines. instant subscribe. i want to help lol

Been looking forward to this! Not dISAppointed. Amazing work! 😎

Thank you for being this crazy. What a great project!

A great find. Thank you for your hard work 🎉

awesome! I've been wanting to do something like this so I could get a floppy controller on a reasonably modern system. I'm definitely building one of these!

That was just amazing, mate. I was playing around trying to bring back my good old Pentium 4 with a PCI VGA, and this video just popped out to me. + 1 sub, greetings from Brazil.

Fantastic work! I remember hunting around for motherboards with an ISA slot, but that was to run a secondary MDA / Hercules card which had some low level development benefits.

Wow! Fantastic work! Brilliant 👏

Bro... inspiring intro to your channel. Nicely done all around!

You're a hero. This is magic.

I know it's a play on the ISA shortcut, but calling this Project Disappointment isn't the greatest. It does exactly what it's supposed to do. That sounds more like Project Well Done

This is an awesome project. I'll be sure to keep up on it!

Always a good day when you post a video. You deserve way more subs.

You make some of the coolest stuff! 👍

I will certainly be getting a dISAppointment board just to see if I can manage to get an old 8 port Modem card working in a new system. Thank you for your hard work in figuring this all out!

Oh, You have given me hope. I came across my old Ultrasound recently and day-dreamed of sharing it's ground breaking deference to its contemporaries with my children. Will be looking for the next video on this.

I've never seen this channel... digging it 🤗

Incredible! I'll need to build one of these for myself!

Wow what a project! Looking forward to seeing updates on this

Man.. this was a solid video. Really well done.

IEEE-488 interface card shown at 13:17. Amazing project, cheers!

I was fucking floored when you said you used the tpm header for this project. Good work man this is amazing

Excellent video, subscribed!

This is the most insane and awesome thing I’ve seen in a while

Great idea and video. Subscribed. 👍

Very good commentary. Straight and to the point! Kudos!

Fantastic job!

how cool is that! thanks for sharing.

I have read and bookmarked a Tweet about the TPM header being essentially an ISA pinout about a decade ago and I fucking LOVE that you put it together! It always lingered in my mind how cool it would be to add a fucking Sound Blaster 2.0 to a 16-core rig.

its nice to see someone so deep is tech (know how) wish school had more coding when i was young etc.

Awesome is an understatement. My eyes were glued so hard to the screen that I was afraid of ripping my cornea off when it's done. Congratulations! BTW, at minute ~13:49, where you show the Vogons post, there's a typo referencing a "Socket 755" motherboard; I thing that it should be Socket 771 or 775.

This is great. Subscribed! 🤓

I love how many times you tried to just jam that ISA card into that modern motherboard. Valiant effort.

Excellent work Mate!

This is super cool. I have dedicated DOS machines, but I'd still probably buy one of these!

Wow that's great. Good Work on that!

Very cool video! Thank you!

Very cool! Subbed!

You absolute madman. I love it. :D

That's a heroic effort, and to be honest, having an ISA slot available in a very modern motherboard really ignites the retro PC nerd's imagination. Hercules, you say? Please do make that work!

Not sure how i got here but "Project Disappointment" sounds like the sumtotal of my lifes work so i figure I'm in the right spot.

I've got a s939 HP OEM board equipped with a lpc header so they do exist. Labeled as "factory test connector" so I guess they only meant to use it for bios recovery since it does boot from the header if you memory map a device at the correct address.

that's hilarious, love that the answer is to use the TPM header of all things.

this is great love it!

you are my brother from another motherboard, amazing work

This is amazing project!

what a perfect name for this adapter. Love it.

you're a mad man in the best possible way

Awesome Video !

OMG ! someone actually did it ! But i was expecting PCI to ISA bridge. This one is even cooler !

Didn’t get to say this when the news broke, but seriously - good job! 🎉😮

Great job!

This is all great work. Thanks.

Brilliant find!

I want to see it work with a floppy controller. Seeing a 5.25" drive in a modern PC would be amazing!

Even 10 years ago a friend of mine was having to source boards with ISA for their lab. They had a multimillion dollar Electron Microscope that relied on an ISA control card.

i love you man, got me an audiophile 24/96 with rca inputs and outputs, but its a ruddy isa card.

I knew right from the thumbnail that this would be awesome. I've been waiting for this ever since I saw the short! Unfortunatly I don't own a motherboard that has a TPM header, unless maybe my current AM4 motherboard has one. UPDATE: I have checked one of the motherboards again. This time i looked closer on the mb itself rather than the manual and found holes for a TPM1 header. So i will need to solder pins for the TPM first.

Amazing! this is awesome. I wanted to get a floppy controller working on a modern machine a while back and after some research found out about the LPC BUS but then left it at that, didn't think it was actually do-able! Dunno how a floppy card would work tho cos there's no BIOS setup option for it.

Thanks for the Unisound tip!

con tu video me quede asombrado . pero cuando abristes el Rednec Rampage . se me cayo una lagrima . . te amo . que buen trabajo . un abrazo desde Argentina

You actually can get USB working in DOS. My retro rig is a Gateway 2000 Pentium 133 with ISA, SBPro2 card, Mo-Slo, Mscdex and CDROM, USB 1.0. Can mount USB sticks as drives in DOS 6.22. Cool video!

AmaZZZZing work!!!

WOW!! I never thought that an ISA slot for modern PC would be available!!

Not something I'm interested in doing for myself but great to watch. Lots of respect for the skills it takes to do this kind of hardware hacking.

It's like watching a surgeon operate on a dinosaur

Amazing, I never thought this could be possible.

- this guy is an absolute legend "Forgot to connect a mouse for Doom" - how dare you !

i love crazy people implementing crazy things into modern hardware

GREAT thumbnail!

This is mind blowing, that the potential interface for ISA is sitting dormant on so many motherboards right now.

This is amazing

Fascinating 👍😎

very cool stuff!

Why don't AGP?

5:53 "now the first thing to do is get a hold of a disappointment" Cool! *grabs self*