

Old 2015 MacBook Pro, now a dedicated PiMiga cartridge machine
I wanted a dedicated little Amiga box and figured I'd grab a Raspberry Pi 5. But by the time I added the board, PSU, case, cooler, and a decent SD card, the build was pushing past what I actually wanted to spend on this.
Meanwhile, I had an Early 2015 MacBook Pro 13" (i7-5557U, 16GB) that fell off Apple's support list and was doing nothing in a drawer, plus a spare 64GB microSD. So I used what I had. (If you're wondering how "PiMiga" runs on a Mac: PiMiga 5 ships an x86 build alongside the Pi image, so it works on basically any PC that can boot from SD or USB.)
The "Cartridge" Concept
The whole thing runs off that single microSD in the built-in card slot (second photo). PiMiga 5 lives entirely on the card: root, kickstart partition, EFI, all of it. The internal 500GB SSD is completely untouched, with macOS still sitting there on APFS.
- Slot it in: it's an Amiga.
- Pop it out: it boots normally as a Mac.
Fully reversible. No dual-boot menus, nothing overwritten.
Performance
The i7 turns out to be a monster for this. It's a 3.4GHz Broadwell with far stronger IPC than the Pi 5's A76 cores, and single-thread performance is exactly what UAE's JIT lives on. It has tons of headroom even for the heavier 040/060 WHDLoad configs. I ended up with more machine than the Pi would've been, for less money, out of parts I already owned.
The Clean Setup
Getting it wire-free was the fun part. Final closed-clamshell result in the first photo:
- Video: HDMI straight out to the monitor.
- Peripherals: A single Logitech Bolt receiver. I roam this dongle between a couple of machines depending on where I'm sitting.
- Network: The Broadcom BCM43602 Wi-Fi needs a driver that isn't on the PiMiga image at first boot. I plugged in a USB ethernet adapter just long enough to pull
firmware-brcm80211, then unplugged it. Wi-Fi has been rock solid since. - Thermals: Running a 28W chip lid-closed sounds like a bad idea, but the real problem was that stock Linux wasn't driving the fans at all. Installing
mbpfanfixed it. The fan now tracks the CPU temp properly viaapplesmc, and it sits happily in the 70s under load with plenty of margin.
The end result is exactly the vibe I was after: a laptop that stays tucked away and boots straight into Workbench with zero clutter. Turns out the cheapest retro rig was the hardware I'd already written off.