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14 June 2020, 22:57
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#21 | |
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Registered User
Join Date: Dec 2018
Location: Des Moines, IA
Age: 58
Posts: 88
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Quote:
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15 June 2020, 09:46
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#22 |
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Registered User
Join Date: May 2018
Location: United Kingdom
Posts: 64
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Gayle generates /RST in response to KB_RESET (at Q511). We specified the Q511 point because it is safe to implement a wire-OR there, easily accessible, and it mirrors the A500 connection. There is also no convenient point that I've spotted where /RST can be picked up directly, other than soldering directly to the pins of one of the surface mount chips.
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19 June 2020, 22:13
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#23 |
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Registered User
Join Date: Dec 2018
Location: Des Moines, IA
Age: 58
Posts: 88
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Got the son of gun working! Was my goof all along ... didn't pay close enough attention to detail & had the wire soldered on the wrong side of Q511
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19 June 2020, 22:15
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#24 |
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Registered User
Join Date: Sep 2006
Location: Thunder Bay, Canada
Posts: 4,323
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here is the correct place to tap into the reset line of the a00..
http://www.kipper2k.com/romboard/a600HWreset.jpg |
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19 June 2020, 22:22
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#25 |
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Bit Copying Bard
Join Date: Jan 2017
Location: Kelty, Fife, Scotland
Age: 41
Posts: 1,293
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Glad to hear you got it working
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