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Jasper 512 Rgh Stop Glitching - Need Advice


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#1 cjackson

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Posted 25 January 2012 - 07:44 PM

it glitched after i put 470pF and 680pF cap serially between GND and F (matrix ii) and i tapped the legs of caps sometimes and. this was the first time it glitched. then i do it few times to get cpu key and write hacked kernel. and i realize it was glithing without tapping while i was thinking i might put and gate between GND and F to make tapping auto (seems stupid biggrin.gif ). anyway i got dash running but funs are full speed and then get fake RROD immediately. so i write hasked kernel again but after that i want to put part together and after i put it its metal case and try to open box and i realize it stop glitching after that whatever i done it won't glitch.
i check wiring and voltages that seems OK but it still won't glitch even if the same conditions exist.
i read so many post about jasper but nothing happen for now. if i had't seen it glitching few times i would give up but knowing it is glitvhing make me wanna find a solution. so need help from expert biggrin.gif

sorry about my language and long text smile.gif

#2 RavenPhoenix

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Posted 31 January 2012 - 07:18 AM

The BB Jaspers are sometimes are pain in the A$$ to get glitching. I do console mods for a living so if it's a pain for me then it would be a nightmare for the inexperienced.

Anyhow, a few pointers for you to check.

1. Make sure your wire routes are not going through the notorious no no areas. I have decided to spoon feed you a little with the following link. Take a look at the troubleshooting section near the end of the first post and there is a picture with the areas you should be avoiding.

http://www.logic-sun...-hack-tutorial/

2. Try different value caps e.g. Change 680pf to 68nf cap and 470pf to 47nf. Each Jasper is an individual and no one formula will work on every console. You can alternate anything between the following values 221pf-1nf then if that does not work try 33nf-68nf.

3. Trim the ends of your wires that are exposed to the bare minimum that is required to be able to get the solder to stick so looking from your pictures you have a bit of trimming to do.

4. Make sure your ground cable is thicker than 26AWG and is properly grounded.

5. After trying all I suggested and it still fails then you should seek assistance from a pro modder.

Good luck mate.



#3 cjackson

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Posted 03 February 2012 - 12:01 PM

QUOTE(RavenPhoenix @ Jan 31 2012, 08:18 AM) View Post

The BB Jaspers are sometimes are pain in the A$$ to get glitching. I do console mods for a living so if it's a pain for me then it would be a nightmare for the inexperienced.

Anyhow, a few pointers for you to check.

1. Make sure your wire routes are not going through the notorious no no areas. I have decided to spoon feed you a little with the following link. Take a look at the troubleshooting section near the end of the first post and there is a picture with the areas you should be avoiding.

http://www.logic-sun...-hack-tutorial/

2. Try different value caps e.g. Change 680pf to 68nf cap and 470pf to 47nf. Each Jasper is an individual and no one formula will work on every console. You can alternate anything between the following values 221pf-1nf then if that does not work try 33nf-68nf.

3. Trim the ends of your wires that are exposed to the bare minimum that is required to be able to get the solder to stick so looking from your pictures you have a bit of trimming to do.

4. Make sure your ground cable is thicker than 26AWG and is properly grounded.

5. After trying all I suggested and it still fails then you should seek assistance from a pro modder.

Good luck mate.

1) done that already
2)done those
3)don't send a pic so i assume you pasted this text but anyway i will trim
4)i don't understand that AWG thing did you give a pic of that kind of thick wire.

still get glitch light when i move CPU_RST wire a bit, again, again and i get glitch light. but since jasper boot in 1-1,5 min so i need 5-6min moving cable to boot if it is real glitch light




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