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Aladdin XT Plus2 On a XBox V1.0


HDShadow
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This is getting annoying.

Just had another go at the soldering. Discovered pin 9 had somehow stopped showing any voltage and had to redo that again; now good. With pin 2 which was already grounded I decided to use SS_Dave's alternative grounding pad suggestion and that is now good too.

D0 OK. BT point bridged - OK, both showing continuity. All other pins with the voltages as shown except for:-

Pin 1 - 0 volts: can not get any voltage reading at all from this pin, not even a flicker.

Pin 5 - 0.17 volts: no matter how many times I reflow or completely redo the soldering this is all I get.

To recap: Xbox v1.1 up to this point a fully working softmod. Aladdin XT Plus 2. When I fit the chip to the pin header with IDE + HDD attached and D0 MB screw in place to ensure grounding it frags. Two short on off sequences with the chip LED coming on, then stays on but red/green flashing Xbox LED.

Chip must have been working at some point because it booted an AID disc and, apparently, installed a chipped dash. But on reboot Xbox started fragging and that is where I am now still.

Any chance the pin voltages are different for a v1.1?

I think with those two problem pins I'm going to have to remove them entirely and check what the actual LPC contact ring voltages show.

I find it difficult to understand how I can successfully solder 8 out of 11 pins correctly first time but after three more sessions have only been able to get one of the three problem ones reporting the expect voltage (pin 9 3.3v). Why 0.17v on pin 5? Obviously there's some connection but why so much lower that than the expected 3.3v? 

 

Edited by HDShadow
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Board startup date: April 23, 2017 12:45:48
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