• Re: Creating peripheral cards for the Apple II

    From Bob Darlington@21:1/5 to All on Sun Apr 3 22:08:09 2022
    On Tuesday, September 18, 2018 at 7:59:01 AM UTC-6, a2retro wrote:
    Just an FYI : I happen to be looking at teh Apple IIgs #28
    Interface Card Design Guidelines and noticed the dimensions of the standard 50 pin slot connector are wrong.

    They are listed as 2.95 inches when it should be 2.59 inches

    I confirm the technical docs are WRONG. 2.590" to 2.600" seems fine. My Mockingboard is 2.600 (or was it the Uthernet?).

    -Bob

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  • From Ted Thompson@21:1/5 to Bob Darlington on Mon Jul 17 00:02:03 2023
    On Sunday, April 3, 2022 at 10:08:10 PM UTC-7, Bob Darlington wrote:
    On Tuesday, September 18, 2018 at 7:59:01 AM UTC-6, a2retro wrote:
    Just an FYI : I happen to be looking at teh Apple IIgs #28
    Interface Card Design Guidelines and noticed the dimensions of the standard 50 pin slot connector are wrong.

    They are listed as 2.95 inches when it should be 2.59 inches
    I confirm the technical docs are WRONG. 2.590" to 2.600" seems fine. My Mockingboard is 2.600 (or was it the Uthernet?).

    -Bob

    The dimension is right, the arrows are wrong... Or the ASCII art is poor. The 2.95" dimension is from the "front" of the edge connector to the rear of the entire board, I saw a poor/cut off PDF scan that made it clearer. The dimensions are from a common
    origin, as is correct practice, and it is formed by the intersection of the rear most edge of the board and the very bottom of the edge connector - a location that is in open space due to the outline of the board.

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