CPU Card: Revision B

Last Updated: October 31, 2005 11:13:27 AM NO PCB YET Revision B not produced yet. The bottom connector provides signals to the 1861/keyboard card that are not available on the standard system bus. The upper connector supports Front Panel functionality, again it provides signals not available on the bus. The complete system does not require […]

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CPU Card: Revision A

Last Updated: October 31, 2005 11:13:27 AM http://cottageworker.com/wp-content/uploads/2014/05/ Revision A of the CPU card had a few mistakes and required some creative pin lifting, double socketing and rewiring to get it working. The bottom connector provides signals to the 1861/keyboard card that are not available on the standard system bus. The upper connector supports Front […]

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