Thanks for your supportive feedback! I do plan on doing many more videos (not just about this PS/1), and I hope everyone doesn't get tired of waiting because it takes a while at the moment :)
Sorry for the late reply, but thank you! More videos coming soon, but maybe more about electronics than this PS/1 (though I do hope to get back to it soon!)
When dealing with leaked capacitors, using an acid like white vinegar to neutralize is usually working well. A proper wash with soap water to rinse away acid and dirt afterwards.
Ah great tip, thanks for the advice. I'll give it a try next time. I'm guessing that given we're cleaning away "electrolyte", that it's a salt, and therefore it must be alkaline for vinegar to help... either that or the vinegar helps attack the compound that is the result of corrosion. Hmm...
@@fooglestuff unfortunately the cabling described here doesn’t work to adapt a standard floppy drive to a PS/2 model 30 286 though it works fine for the PS/1 (I’ve successfully tried the same cable on mine). EDIT: to make it work for the PS/2, you need to add 1 KΩ pull-up resistors between the +5 V and pins 8, 26, 28, 30, 34 (schematic on TubeTime GitHub page)
Thanks for this nice and well edited videos. I'm in the process of trying to repair my own 2011 so this ton of information is more than apreciated. It seems you din't record anymore videos. My best wishes for you. I hope you are well. I also did pause my channel project last year and I know it won't be this good if I ever try it again.
I do hope to get back to this at some point. Part 4 of this series is nearly done. My latest video about chip design might explain the hiatus :) th-cam.com/video/QMsmkDeqELg/w-d-xo.html
Didn't know about the electrolytic capacitors in the keyboard, but in hindsight that makes perfect sense. Will have to check mine. Thank you! And cool to know that machine can run Wolfenstein. I never tried; always thought it was too slow.
My next video (delayed a bit) is getting close to being finished and addresses refurbishing of the keyboard (difficult) and mouse (easy), but thankfully you can use modern PS/2-based replacements. For me, Wolf3D is THE modern retro game. It made me glad when I finally got a 286 as a kid. Some smart people have also hacked it to run (very slowly) on 8088 machines too!
@@fooglestuff In that era, it befuddled me why we were calling them "PS/2" peripherals on a PS/1. It was only a few years ago that I learned the PS/1 actually came _after_ the PS/2. Makes sense.
Fantastic work! I thoroughly enjoyed watching this, especially since I am also in the process of restoring my own 2011. I'm also experiencing some issues with my floppy drive (hopefully to be solved with a Gotek) and have ordered a drop-in replacement for the RTC chip and battery.
Sounds great, @thr3ddy, and thanks for the supportive feedback! :) Let me know how you get along with your own restoration. I've seen others use GoTEKs and I might try one myself, too. What type of RTC replacement are you going to use? Glitch Works, maybe?
@@fooglestuff I'm not sure if this replacement has a name, but it's sold by the seller markgm on eBay. He also sells adapters to convert the PS/1 floppy drive cable to a regular IDE + small molex. The RTC replacement is a Dallas chip powered by a replaceable CR1225 battery. As soon as I installed it and ran time/date/configure, the system booted without any issues whatsoever. I did not go with a GoTEK in the end since they lost my shipment over the holidays, but I replaced my 1.44MB floppy drive with a 2.88MB IBM floppy drive that works like a charm and keeps the blue eject button aesthetic in place.
@@fooglestuff I've been thinking about trying to make a custom RAM expansion card for mine. I found people have made them for the 386 models, but nothing for the 286 ones. The project is just a little more than I can take on at the moment though.
I know what you mean. Lots of things to learn to even make a start! Soon I hope to attempt an ACU plug-in card, at least as an experiment, but maybe I will add a RAM card to the pile of things I hope to eventually try too. If you do happen to attempt anything like this, let me know!
Would you be willing to share the adapter board design files? I'd like to get a couple made and maybe give a few away. It would be a lot more elegant than hacking at the floppy cable.
Nicely shot and very informaitve! Do you plan also to work on the Hard drive? I own this machine and I am in desperetely need of finding a good and modern replacement for it. The disk is an 8bit IDE-XT with proprietary connector and you can simply connect a CF to IDE adapter cause it's not IDE ;-).
I’m a bit late to reply, but I do plan on creating an adapter for the HDD at some point in the future :) I have found some doco on it, so at minimum might be possible to emulate the interface on a modern MCU.
Sure @Marco.Teixeira, it's a MAXTOR 7040F1, probably very rare (made for IBM with the proprietary XTA HDD interface used by the PS/1 model 2011). In future, I hope to research making an adapter to translate between XTA and IDE (PATA), but this could take a while. Here is more information directly from the label: P/N: 6373570 E.C: 835317 Supplier code: 600881 IBM FRU P/N: 1383735 Drive type: 39 Capacity: 40MB Model: 7040F1 HDA: 13P1 PCBA: 03P14 Unique: 03P1 TDA: 5091
@@fooglestuff Thank you. Just for the record, if it helps future readers, mine is: IBM | P/N:6128242 | FRU P/N: 6128279 | MODEL: WDL-330P | MLC: C13112 | CAPACITY: 30 MB | MADE BY IBM U.K. LTD.
My next video will deal with the keyboard and mouse. Spoiler alert: yes, another PS/2 keyboard improves the situation :) I still want the genuine article working though, so stay tuned! :)
Great video. I fixed my fdd errors but then my hdd died. I found a cheap but ver old 20mb esdi hdd wich works but and I am using a parallel Iomega zip 100 drive but I am trying to find a better hdd. Do you know how we can build as adapter for a IDE hdd? And how will you improve the gaming performance?
I want to understand the “XTA hard drive” interface used by this model. While my HDD still works I might try experiments. For actual IDE, I think an XT-IDE card is needed, plus modification to the PS/1 ROM: forum.vcfed.org/index.php?threads/ps-1-2011-acu-project.80370/post-1216698 - I am going to learn more about this too. As for gaming… in my video I was referring to improving sound. I’m not sure yet if there is much that can be done to make games run faster. If you have any ideas, let me know!
Oh, btw, how did you adapt the ESDI drive to your PS/1? Do you have an Adapter Card Unit? I’m not sure how else you would attach an ESDI drive to the PS/1 model 2011
Done :) Once I worked out that I need to leave the keyboard unplugged at power-on, my repaired original PS/1 FDD started being detected correctly and working fine. No more “Sector not found” errors.
Very nicely explained! It's a pleasure to watch and also listen to your videos! Hope, you'll continue for a long time! :)
Thanks for your supportive feedback! I do plan on doing many more videos (not just about this PS/1), and I hope everyone doesn't get tired of waiting because it takes a while at the moment :)
Amazing editing and content, you deserve so much more suscribers indeed! 😊
Sorry for the late reply, but thank you! More videos coming soon, but maybe more about electronics than this PS/1 (though I do hope to get back to it soon!)
When dealing with leaked capacitors, using an acid like white vinegar to neutralize is usually working well. A proper wash with soap water to rinse away acid and dirt afterwards.
Ah great tip, thanks for the advice. I'll give it a try next time. I'm guessing that given we're cleaning away "electrolyte", that it's a salt, and therefore it must be alkaline for vinegar to help... either that or the vinegar helps attack the compound that is the result of corrosion. Hmm...
Very well explained video and great floppy cable schema! Exactely what I was looking for to replace my dead PS/2 floppy drive.
I'm very glad I was able to help! I hope things are going well for you now with a new drive.
@@fooglestuff unfortunately the cabling described here doesn’t work to adapt a standard floppy drive to a PS/2 model 30 286 though it works fine for the PS/1 (I’ve successfully tried the same cable on mine).
EDIT: to make it work for the PS/2, you need to add 1 KΩ pull-up resistors between the +5 V and pins 8, 26, 28, 30, 34 (schematic on TubeTime GitHub page)
Thanks for this nice and well edited videos. I'm in the process of trying to repair my own 2011 so this ton of information is more than apreciated. It seems you din't record anymore videos. My best wishes for you. I hope you are well. I also did pause my channel project last year and I know it won't be this good if I ever try it again.
I do hope to get back to this at some point. Part 4 of this series is nearly done. My latest video about chip design might explain the hiatus :)
th-cam.com/video/QMsmkDeqELg/w-d-xo.html
Didn't know about the electrolytic capacitors in the keyboard, but in hindsight that makes perfect sense. Will have to check mine. Thank you! And cool to know that machine can run Wolfenstein. I never tried; always thought it was too slow.
My next video (delayed a bit) is getting close to being finished and addresses refurbishing of the keyboard (difficult) and mouse (easy), but thankfully you can use modern PS/2-based replacements. For me, Wolf3D is THE modern retro game. It made me glad when I finally got a 286 as a kid. Some smart people have also hacked it to run (very slowly) on 8088 machines too!
@@fooglestuff In that era, it befuddled me why we were calling them "PS/2" peripherals on a PS/1. It was only a few years ago that I learned the PS/1 actually came _after_ the PS/2. Makes sense.
@@McTroyd it does seem like an odd marketing choice. I wonder how far back that idea goes.
Fantastic work! I thoroughly enjoyed watching this, especially since I am also in the process of restoring my own 2011. I'm also experiencing some issues with my floppy drive (hopefully to be solved with a Gotek) and have ordered a drop-in replacement for the RTC chip and battery.
Sounds great, @thr3ddy, and thanks for the supportive feedback! :) Let me know how you get along with your own restoration. I've seen others use GoTEKs and I might try one myself, too. What type of RTC replacement are you going to use? Glitch Works, maybe?
@@fooglestuff I'm not sure if this replacement has a name, but it's sold by the seller markgm on eBay. He also sells adapters to convert the PS/1 floppy drive cable to a regular IDE + small molex. The RTC replacement is a Dallas chip powered by a replaceable CR1225 battery. As soon as I installed it and ran time/date/configure, the system booted without any issues whatsoever. I did not go with a GoTEK in the end since they lost my shipment over the holidays, but I replaced my 1.44MB floppy drive with a 2.88MB IBM floppy drive that works like a charm and keeps the blue eject button aesthetic in place.
Thank you so much for this video. Would you be willing to share the adapter board design files? I would be very grateful.
The adapter looks nice. Keep up the good work. I want to see how far you can take this machine!
Thanks for the great feedback! Still a bit more to go, but I’m enjoying the project.
@@fooglestuff I've been thinking about trying to make a custom RAM expansion card for mine. I found people have made them for the 386 models, but nothing for the 286 ones. The project is just a little more than I can take on at the moment though.
I know what you mean. Lots of things to learn to even make a start! Soon I hope to attempt an ACU plug-in card, at least as an experiment, but maybe I will add a RAM card to the pile of things I hope to eventually try too. If you do happen to attempt anything like this, let me know!
Would you be willing to share the adapter board design files? I'd like to get a couple made and maybe give a few away. It would be a lot more elegant than hacking at the floppy cable.
Sorry for the late reply, but let me know if you’d still like the files shared. I can put them in a repo.
@@fooglestuff I would really appreciate it if you would share them. Thank you.
@@fooglestuff Really great video ! I would be very interested too for the adapter files. Thanks 🙏
Nicely shot and very informaitve!
Do you plan also to work on the Hard drive? I own this machine and I am in desperetely need of finding a good and modern replacement for it. The disk is an 8bit IDE-XT with proprietary connector and you can simply connect a CF to IDE adapter cause it's not IDE ;-).
I’m a bit late to reply, but I do plan on creating an adapter for the HDD at some point in the future :) I have found some doco on it, so at minimum might be possible to emulate the interface on a modern MCU.
Nice! Can i ask you to post the make and model of that MAXTOR hard drive? I'm trying to get a replacemente HDD for my PS1...
Sure @Marco.Teixeira, it's a MAXTOR 7040F1, probably very rare (made for IBM with the proprietary XTA HDD interface used by the PS/1 model 2011). In future, I hope to research making an adapter to translate between XTA and IDE (PATA), but this could take a while.
Here is more information directly from the label:
P/N: 6373570
E.C: 835317
Supplier code: 600881
IBM FRU P/N: 1383735
Drive type: 39
Capacity: 40MB
Model: 7040F1
HDA: 13P1
PCBA: 03P14
Unique: 03P1
TDA: 5091
@@fooglestuff Thank you. Just for the record, if it helps future readers, mine is: IBM | P/N:6128242 | FRU P/N: 6128279 | MODEL: WDL-330P | MLC: C13112 | CAPACITY: 30 MB | MADE BY IBM U.K. LTD.
Out of curiosity, if you use a different PS/2 keyboard, does that particular error go away?
My next video will deal with the keyboard and mouse. Spoiler alert: yes, another PS/2 keyboard improves the situation :) I still want the genuine article working though, so stay tuned! :)
Great video. I fixed my fdd errors but then my hdd died. I found a cheap but ver old 20mb esdi hdd wich works but and I am using a parallel Iomega zip 100 drive but I am trying to find a better hdd. Do you know how we can build as adapter for a IDE hdd? And how will you improve the gaming performance?
I want to understand the “XTA hard drive” interface used by this model. While my HDD still works I might try experiments. For actual IDE, I think an XT-IDE card is needed, plus modification to the PS/1 ROM: forum.vcfed.org/index.php?threads/ps-1-2011-acu-project.80370/post-1216698 - I am going to learn more about this too. As for gaming… in my video I was referring to improving sound. I’m not sure yet if there is much that can be done to make games run faster. If you have any ideas, let me know!
Oh, btw, how did you adapt the ESDI drive to your PS/1? Do you have an Adapter Card Unit? I’m not sure how else you would attach an ESDI drive to the PS/1 model 2011
fix the floppy diskette drive
Done :) Once I worked out that I need to leave the keyboard unplugged at power-on, my repaired original PS/1 FDD started being detected correctly and working fine. No more “Sector not found” errors.