NeXTcube back panel

macaphod · Monday at 11:33 PM

Hello,

I have a defective back panel for my NeXT Cube. The pin 22b of the slot 0 is missing.

Does anyone know what this pin is used for? Anyone know where I could find a back panel as a replacement?

Thanks.

KennyPowers · 2026-02-10T02:09:13+0000

You mean the backplane that the mainboard and power supply plug into? Contact Rob Blessin. If anyone has a spare for sale, it's him. He doesn't post here frequently, so you might have more luck registering at https://www.nextcomputers.org/forums and messaging him there.

macaphod · 2026-02-10T10:53:21+0000

Exactly, the backplane. I will try to reach Rob Blessin.

Thanks

stepleton · 2026-02-10T20:06:37+0000

Is it necessary to replace the entire backplane for the sake of one missing pin in one connector? If there is someone near you with good equipment for soldering and desoldering, then the NeXTbus connector is a standard DIN 41612 connector so far as I know, and replacements should be easy to source from a major electronic component retailer like Digi-Key or Mouser. There are a lot of pins on the connector (96 of them!), but for a reasonably-skilled and well-equipped hobbyist, extracting the old connector and soldering in a replacement is probably a half-hour job.

stepleton · 2026-02-10T20:47:11+0000

If we were anywhere near each other (I'm in the UK), I could help you out.

macaphod · 2026-02-10T22:59:33+0000

Well, for sure, this is my second option, but I would prefer to have an unaltered board for this piece of history

Thanks for your offer.

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