Apple IIe Backpanes / Backplanes
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Panels to allow fitment of break out cables to the rear of the computer
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Informacje o modelu
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- Printables
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- Computers
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- Creative Commons — Attribution — NoDerivatives
Apple IIe backpane / backplane
One thing I find a bit annoying is unplugging my drives, HDMI cable and other peripherals from inside my Apple //e computer. This poses a risk of damaging the interface cable and even the slot. It would be great if these things were mounted on sockets at the back of the computer. Fortunately, there are plenty of “breakout cables” available. These provide a short cable with a male plug at one end and a female connector with a mountable shell at the other. Perfect, but unfortunately the mounting holes don’t match the pre-punched-out holes in the back of the computer.
These printables are perfect for holding the three common breakout cables: HDMI, USB-C and USB micro-B. You can easily access the sockets externally which is much more practical, especially for retro systems that aren’t always set up. Mine are though and I still needed these for my repair work.
Each panel comes in two sizes: 19-pin and 25-pin. The cutouts accommodate the protruding socket end and feature standard holes for screws to secure the socket. A larger chamfered hole allows for hot-pressing a threaded M3 inset from the rear for easier fitting. Alternatively, a nut and bolt can be used if inserts aren’t available (M3).
Regarding the A2DVI card, it’s best to use a U-shaped adaptor with the internal socket pointing towards the keyboard. Placing the card in slot 1 or 4 provides ample space for these adaptors, especially on NTSC boards where the aux slot is on the left. As shown in the pictures, you can run the cable through one 9-pin cutout and back through another if necessary. For added protection, you can even (though quite fiddly) add grommets to your cables. 20mm electrical socket back-box grommets work well.
More modern interface cards like A2Pico, A2pico2lite and A2pico2 W(iFi) increasingly support USB features. While the USB micro-B connection is less common, a USB A OTG cable provides a cheaper alternative to a thumb drive on a flying lead.
Why Backpane:? The term backplane is technically inaccurate. They are usually circuit boards with connectors, slots or sockets for other circuit boards or cards. They’re a construction hardware component connecting multiple printed circuit boards together. Backpane on the other hand used to mean the rear panel of equipment but these days the names are fairly interchangeable with plane being more common. I include both for SEO.