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This is a Macintosh plus computer from the 1980s. It is the 1 MB version model m0001a. This computer is being sold as parts/repair. I've never opened it up and I have no idea what that error message means. There may be a hardware problem, or it may just need some OS disc to startup. It turns on, beeps once, the display turns on, and it flashes a disc symbol with a question mark. The computer shell has yellowed over time. There is some writing and pencil on the top that says "works well. Nothing personal on Drive"
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.