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Apple II Plus motherboard part number 820-0044-C. It has a date code of 8129. Motherboard has 48K of RAM. Apple Cillin II RAM Test. Apple Cillin II ROM Test. Apple Cillin II CPU test. Used for testing only.
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.