olePigeon
Well-known member
Any idea what this ROM Enhancer did? It's already a Mac Plus and has SCSI, so it's not a regular ROM upgrade from a 512k.
https://www.ebay.com/itm/Apple-Macintosh-Plus-Mainboard-With-Bios-Enhancer/254216481732
https://www.ebay.com/itm/Apple-Macintosh-Plus-Mainboard-With-Bios-Enhancer/254216481732