i remember something on jrok or clay's site about increasing the value of an electrolytic cap to fix this problem.
i'll see if i can find it for you.
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found it, jroks site says:
As part of this project I also discovered another problem which was occurring to three other Q*Bert boards. Even though the high-scores were being saved, they would get reset or corrupted without warning ! This turned out to be a reset error, the capacitor which gives a delay on the CPU reset was failing, causing the CPU reset to be too short a time period. This was fixed by replacement of capacitor C25 with a 470uF electrolytic.
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so there's something to try.
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Received on Wed Sep 14 01:28:20 2005
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