IBM

IBM ThinkCentre M50 Mainboard Repair!!

IBM ThinkCentre M50 Mainboard Repair!!

#IBM #ThinkCentre #M50 #Mainboard #Repair

“TheRetroRecall”

The amazing IBM ThinkCentre M50 is back on the bench – what a great sight! In our last video on the M50 we discovered some …

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21 Comments

  1. I have a Pentium 4 NetVista desktop in my storage space from just a bit before that name was dropped in favor of ThinkCentre. I wonder if the caps in it have given up the ghost, too. That would be certainly bad news as I have no soldering practice. Will I ever try my hand at it? who knows.

  2. I used to work in electronic assembly in the late 80's up until 92, so I did my share of soldering, but I never could seem to master the solder sucker for desoldering, I usually end up using solder wick. I've built, repaired, or modified every computer that I have ever owned, but never did repairs on an actual motherboard, but I've used my soldering skills to repair a microwave that my neighbor threw out, (bad transformer for the control board, I replaced it), replace power supply caps in my DVD recorder, (it died again, but I digress), and I am planning a full recap on a post war AM/shortwave table radio I own. I uses a lot of wax and paper caps, and looks to be all original, so it needs a full recapping, but it does work, oddly enough, and no hum from the ancient electrolytics in it.

  3. Awesome seeing this beauty again and with new caps. Since it has an AGP 4x slot, I recommend the Quadro4 900 XGL (the business equivalent of the GeForce 4 Ti 4600). AGP 8x cards are backwards compatible so you can try the Quadro4 980 XGL if you can find one.

    Your cool IBM monitor reminds me of the IBM NetVista 6274 AIO. Now you have a complete IBM ThinkCentre setup. 🙂

  4. United Chemi Con (the manufacturer of the KZG series capacitors) is not one of the companies that fell to that capacitor plague issue, because they didn't use that bad stolen formula of electrolyte. It's just a coincidence that this particular series (and KZJ series from them) from them has issues, it uses a very aqueous electrolyte that gives them very good technical properties (very low esr) but which degrades over time, even when motherboards are sitting in the boxes, unused.

  5. Congrats on a successful mainboard repair TRR! While you probably could get away with just replacing the 'obvious' bulging caps others can go out of spec without obvious signs. Removing possibly suspect caps is a good move if you have the time.

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