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Yep: It's a genuine IBM PS/2 94W Power Supply, part number 90X9366 - in apparently working condition!

It is pretty clean, and was pulled from a Series 50 286 machine that had a failed HDD, about 2 decades ago.

I have no machine left to test it with, as I sold off all my old PS/2 bits a while ago, or so I'd thought. But there you go!

I've given it a cursory electrical check only and test-powered it up, and it seems to be delivering +5v and +/- 12v rails.

NO magic smoke has escaped! Well, so far anyway.

NOTE: This is 1988 vintage, and like in all power supplies, components deteriorate with age and can go "bang" suddenly - so I cannot guarantee this power supply beyond "not dead on arrival".

I would expect a serious collector to want to refurbish the capacitors in this unit as soon as possible though, BEFORE it decides to fail, as it surely will at some point.

Don't pass up the chance f getting a serviceable spare supply for your antique Model 50!
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  • Seller location: Palmerston North, Manawatu, NZ

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