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Old 03-21-2008, 02:44 AM
Forbin376 Forbin376 is offline
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Default 19,200 Baud from a 2SIO

Pin 3 of IC G can supply the correct clock for either (or both) of the 6850 Chips ICs D & E to operate at 19200 baud. I have inserted a 16-pin IC socket into the clock select pads labeled with the baud rates on the left and the CK0 and CK1 on the right. A short stiff wire, say an end clipped from a resistor, is used as a jumper to select the desired baud rates. I have added a wire from from Pin 3 of IC G to what would be pin 16 of this socket for the additional clock rate. For a more "permanent" selection use an IC Header installed into the socket with your baud rate selection(s) soldered onto it.
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Old 04-03-2008, 02:19 AM
Forbin376 Forbin376 is offline
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Default Additional information (pictures)...

...is available here:

http://frankbarberis.tech.officelive.com/SerialBus.aspx

Frank
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