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Re: Question about Apple ][ ROM chips!
On 4 Sep 2001 17:03:49 -0700, sark314@hotmail.com (Charles Forbin)
wrote:
Board 1
> The handwritten number in the upper left corner is 8001.
Board 2
> The number in the upper left is 8031.
These hand written numbers is the year and week of the year these
boards rolled off Apple's assembly line. Week one of 1980 (January)
and week 31 of 1980 (July) respectively. Both would be II+ vintage
motherboards of different revisions.
Mark R. Percival - RTC Host - Syndicomm Online Apple II Forum
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