At 07:56 -0700 on 26/07/02, Snook, John R wrote:

>I have connected a SE motherboard to a Classic using Brants chart and got
>a working compact.
>But not a useful one. It had video problems.

Because Brant's chart is wrong on pin 9.  That PWM signal controls the
brightness and contrast of the display, and is also the reason a Classic or
Classic II cannot use an external Apple 400K floppy drive or the HD20 that
plugs into the floppy port.

the pickle

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