Tag: hd20
3 matching upgrades
Showing 3 products.
| Status | Product | What it does | Compatibility | Links |
|---|---|---|---|---|
| Sold outChecked Jul 27, 2026 | Floppy Emu Model Cby Big Mess o' Wires | Uses an SD card to emulate Apple floppy drives and, on supported systems, HD20 or SmartPort hard disks. The BMOW store showed the assembled Model C sold out at $109 on 2026-07-27. The separate Deluxe bundle is the same emulator packaged with accessories rather than a different product family. Check the direct product page for a restock. |
| Vendor storeProject detailsManual |
| AvailableChecked Jul 24, 2026 | Mac ROM-inator Iby Big Mess o' Wires, Infinity Products, and FrodoJedi | Current and buildable replacement ROMs for early compact Macs with a customizable bootable ROM disk and HD20 support. On 2026-07-24 JCM showed eleven 128K/512K modules and nine Plus modules in stock. Infinity Products also listed standard and spare-ROM kits without an out-of-stock marker. Installation requires opening the Macintosh, removing its ROMs, and soldering three or four address and write lines to the mainboard. BMOW provides the original parts list, Gerbers, assembly instructions, Flash Tool, and ROM data. |
| Current ROM-inator resurrection kitJCM ROM-inator v1 for Macintosh 128K or 512KJCM ROM-inator v1 for Macintosh PlusJCM installation instructionsOriginal project, files, and instructions |
| Sold outChecked Jul 14, 2026 | Mac ROM-inator II Carbonby Big Mess o' Wires | Replaces the stock ROM SIMM with a 32-bit-clean flash ROM, bootable ROM disk, and HD20 support. The BMOW store showed the Carbon SIMM as sold out on 2026-07-14. It is incompatible with DayStar PowerCache and Turbo accelerators. |
| Vendor storeProject detailsInstructions |