deskthority

I have the same frayed Lexmark IBM ps/2 cable after nearly 10 years of usage. It's not the SDL type but the fixed one. I tried clickkeyboards for a replacement but they only have SDL cables.

I finally bit the bullet and replaced the frayed ps/2 cable with a new ps/2 cable and some modding. Let me ...

I had this connected to my Model M from a 2011 MBP, but it stopped working after couple weeks.
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This (below) works - I'm using it right now.
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You can get it from Amazon. https://www.amazon.com/Sewell-Active-Adapter-Keyboard ...