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> 2 X Boot Then Frag, D0 gets grounded at boot.
e8mange
post Jan 7 2004, 09:20 PM
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I have a v. 1.0 Xbox with a Xecuter 2.1 in. Suddenly one day my xbox started this behavior with 2 x boot and then frag. I tried measuring the Lpc-points and D0 when I discovered that Lckl is 0 all the time and that D0 for a very short wile is 5 V and then becomes grounded (with no modchip). I even measured the resistance between D0 and ground when I turned on the Xbox. First it was infinety and then when powered on it became 0. So in some way the D0 connection gets grounded at power on.

My thought is that some transistor och other chip is broken (hopefully not the MCPX), does anyone know what part(s) it could be?
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Muntzster
post Jan 7 2004, 09:31 PM
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does it work with the chip out?
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e8mange
post Jan 7 2004, 09:44 PM
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No, neither with the chip in or out.
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dee_ss
post Jan 7 2004, 10:37 PM
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i have a xbox that started doing the same thing. no luck with it so far...
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e8mange
post Jan 8 2004, 10:36 AM
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Somehow it seems like some circuit is broken. Is there any way to test the MCPX? Am I right when I say that the D0 comes directly from the MCPX and that there is no other chip then the TSOP that's using the D0 signal?
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