Anders Nielsen Brings an IBM Mannequin M2 Keyboard Again From the Brink — and Presents a ChatGPT Warning

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YouTuber and classic computing fanatic Anders Nielsen has introduced a basic IBM Mannequin M buckling-spring keyboard again from the useless — and in doing so highlighted a few of the dangers with outsourcing your analysis to ChatGPT and different giant language fashions (LLMs).

“This IBM Mannequin M2 keyboard from 1993 was listed as not working, so once I plugged it in and it labored flawlessly I believed I made an important deal,” Nielsen explains, “however after utilizing it about two instances it turned out one thing was awry in spite of everything because it simply stropped working. With no quantity of unplugging and replugging making any form of distinction, it is beginning to be fairly clear that both I’ve to resell this factor or strive taking it aside.”

An IBM Mannequin M2 mechanical keyboard has been saved from the scrapheap, due to a easy re-cap. (📹: Anders Nielsen)

Choosing the latter, Nielsen started digging into the internal workings of the keyboard — one of many later cost-reduced fashions within the Mannequin M household, which adopted the sooner and bulkier Mannequin F in IBM’s household of in-house mechanical keyboards. Primarily based round a buckling-spring design, Mannequin F and Mannequin M keyboards are prized amongst many keyboard fans, giving Nielsen loads of incentive to get it up and working as soon as once more.

Deciding the issue was probably dangerous capacitors within the management board, Nielsen set about changing them — although initially it did not appear to assist, till he realised there was a poor connection on one solder joint. “Outdated IBM boards do not have loads of thermal reduction on the GND pads, which suggests you must be further cautious to not make chilly joints,” Nielsen explains. “and I assume on this case I wasn’t.”

With the brand new capacitors in place, the keyboard fired up completely — however Nielsen bumped into an attention-grabbing hurdle in studying extra in regards to the gadget and the chip that controls it. “For those who ask ChatGPT,” he explains, referring to OpenAI’s fashionable giant language mannequin chat service, “it’s going to inform you it is purported to be an Intel 8042, since that is the keyboard controller present in [IBM] AT and PS/2 machines. Besides that is fully fallacious, for the reason that 8042 is the controller on the motherboard, whereas that is clearly contained in the keyboard itself.”

Extra data is obtainable within the video embedded above and on Nielsen’s YouTube channel.